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windows-xp/Source/XPSP1/NT/sdktools/pdh/pdhui/browsdlg.c

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/*++
Copyright (C) 1995-1999 Microsoft Corporation
Module Name:
browsdlg.c
Abstract:
counter name browsing dialog box functions
Revision History
Bob Watson (a-robw) Oct-95 Created
--*/
#include <windows.h>
#include <winperf.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <tchar.h>
#include "mbctype.h"
#include "pdhidef.h"
#include "pdhdlgs.h"
#include "pdh.h"
#include "browsdlg.h"
#include "resource.h"
#include "expldlg.h"
#include "pdhui.h"
#pragma warning ( disable : 4213)
//
// Constants used in this module
//
#define MACHINE_LIST_SIZE 1024
#define OBJECT_LIST_SIZE 4096
#define COUNTER_LIST_SIZE 8192
#define INSTANCE_LIST_SIZE 8192
// global data strings to load into combo box to select counter filtering level
ULONG
PdhiBrowseraulControlIdToHelpIdMap[] =
{
IDC_USE_LOCAL_MACHINE, IDH_USE_LOCAL_MACHINE,
IDC_SELECT_MACHINE, IDH_SELECT_MACHINE,
IDC_MACHINE_COMBO, IDH_MACHINE_COMBO,
IDC_COUNTER_DETAIL_COMBO, IDH_COUNTER_DETAIL_COMBO,
IDC_OBJECT_COMBO, IDH_OBJECT_COMBO,
IDC_ALL_COUNTERS, IDH_ALL_COUNTERS,
IDC_USE_COUNTER_LIST, IDH_USE_COUNTER_LIST,
IDC_COUNTER_LIST, IDH_COUNTER_LIST,
IDC_ALL_INSTANCES, IDH_ALL_INSTANCES,
IDC_USE_INSTANCE_LIST, IDH_USE_INSTANCE_LIST,
IDC_INSTANCE_LIST, IDH_INSTANCE_LIST,
IDC_EXPLAIN_BTN, IDH_EXPLAIN_BTN,
IDC_OBJECT_LIST, IDH_OBJECT_LIST,
0,0
};
PDHI_DETAIL_INFO PdhiDetailInfo[] = {
{PERF_DETAIL_NOVICE, IDS_DETAIL_NOVICE},
{PERF_DETAIL_ADVANCED, IDS_DETAIL_ADVANCED},
{PERF_DETAIL_EXPERT, IDS_DETAIL_EXPERT},
{PERF_DETAIL_WIZARD, IDS_DETAIL_WIZARD},
{0,0}
};
static HWND hExplainDlg = NULL;
static DWORD dwCounterListSize;
static DWORD dwInstanceListSize;
//
// Function references
//
STATIC_BOOL
PdhiLoadMachineObjects (
IN HWND hDlg,
IN BOOL bRefresh
);
STATIC_BOOL
PdhiLoadCountersAndInstances (
IN HWND hDlg
);
STATIC_BOOL
PdhiBrowseCtrDlg_MACHINE_BUTTON (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
);
STATIC_BOOL
PdhiLoadNewMachine (
IN HWND hDlg,
IN LPCWSTR szNewMachineName
);
STATIC_DWORD
PdhiLoadDetailLevelCombo (
IN HWND hDlg,
IN DWORD dwInitialLevel
);
STATIC_BOOL
PdhiSelectItemsInPath (
IN HWND hDlg
);
STATIC_BOOL
PdhiLoadKnownMachines (
IN HWND hDlg
);
STATIC_PDH_FUNCTION
PdhiCompileSelectedCountersT (
IN HWND hDlg,
IN LPVOID pUsersPathBuffer,
IN DWORD cchUsersPathLength,
IN BOOL bUnicode
);
STATIC_PDH_FUNCTION
PdhiCompileSelectedCountersW (
IN HWND hDlg,
IN LPWSTR szUsersPathBuffer,
IN DWORD cchUsersPathLength
);
STATIC_PDH_FUNCTION
PdhiCompileSelectedCountersA (
IN HWND hDlg,
IN LPSTR szUsersPathBuffer,
IN DWORD cchUsersPathLength
);
STATIC_PDH_FUNCTION
PdhiCompileSelectedObjectsT (
IN HWND hDlg,
IN LPVOID pUsersPathBuffer,
IN DWORD cchUsersPathLength,
IN BOOL bUnicode
);
STATIC_PDH_FUNCTION
PdhiCompileSelectedObjectsW (
IN HWND hDlg,
IN LPWSTR szUsersPathBuffer,
IN DWORD cchUsersPathLength
);
STATIC_PDH_FUNCTION
PdhiCompileSelectedObjectsA (
IN HWND hDlg,
IN LPSTR szUsersPathBuffer,
IN DWORD cchUsersPathLength
);
STATIC_BOOL
PdhiBrowseCtrDlg_MACHINE_COMBO (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
);
STATIC_BOOL
PdhiBrowseCtrDlg_OBJECT_COMBO (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
);
STATIC_BOOL
PdhiBrowseCtrDlg_COUNTER_LIST (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
);
STATIC_BOOL
PdhiBrowseCtrDlg_OBJECT_LIST (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
);
STATIC_BOOL
PdhiBrowseCtrDlg_DETAIL_COMBO (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
);
STATIC_BOOL
PdhiBrowseCtrDlg_INSTANCE_BUTTON (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
);
STATIC_BOOL
PdhiBrowseCtrDlg_COUNTER_BUTTON (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
);
STATIC_BOOL
PdhiBrowseCtrDlg_OK (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
);
STATIC_BOOL
PdhiBrowseCtrDlg_CANCEL (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
);
STATIC_BOOL
PdhiBrowseCtrDlg_EXPLAIN_BTN (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
);
STATIC_BOOL
PdhiBrowseCtrDlg_HELP_BTN (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
);
STATIC_BOOL
PdhiBrowseCtrDlg_WM_INITDIALOG (
IN HWND hDlg,
IN WPARAM wParam,
IN LPARAM lParam
);
STATIC_BOOL
PdhiBrowseCtrDlg_WM_COMPAREITEM (
IN HWND hDlg,
IN WPARAM wParam,
IN LPARAM lParam
);
STATIC_BOOL
PdhiBrowseCtrDlg_WM_COMMAND (
IN HWND hDlg,
IN WPARAM wParam,
IN LPARAM lParam
);
STATIC_BOOL
PdhiBrowseCtrDlg_WM_SYSCOMMAND (
IN HWND hDlg,
IN WPARAM wParam,
IN LPARAM lParam
);
STATIC_BOOL
PdhiBrowseCtrDlg_WM_CLOSE (
IN HWND hDlg,
IN WPARAM wParam,
IN LPARAM lParam
);
STATIC_BOOL
PdhiBrowseCtrDlg_WM_DESTROY (
IN HWND hDlg,
IN WPARAM wParam,
IN LPARAM lParam
);
__inline
PDH_STATUS
PdhiCopyString(
LPBYTE * pszNextString,
LPWSTR szWorkBuffer,
LPDWORD pdwRemaining,
BOOL bUnicode
)
{
PDH_STATUS pdhStatus = ERROR_SUCCESS;
DWORD dwSize = 0;
DWORD dwRemaining = * pdwRemaining;
LPBYTE szNextString = * pszNextString;
if (bUnicode) {
dwSize = lstrlenW(szWorkBuffer);
if (dwSize < dwRemaining) {
lstrcpyW ((LPWSTR) szNextString, szWorkBuffer);
szNextString += dwSize * sizeof(WCHAR);
* ((LPWSTR) szNextString) = L'\0';
szNextString += sizeof(WCHAR);
} else {
pdhStatus = PDH_MORE_DATA;
}
dwSize ++;
}
else {
dwSize = dwRemaining;
pdhStatus = PdhiConvertUnicodeToAnsi(_getmbcp(),
szWorkBuffer,
(LPSTR) szNextString,
& dwSize);
if (pdhStatus == ERROR_SUCCESS) {
szNextString = szNextString
+ sizeof(CHAR) * (lstrlenA((LPSTR) szNextString) + 1);
}
}
if (dwRemaining >= dwSize) {
dwRemaining -= dwSize;
} else {
dwRemaining = 0;
pdhStatus = PDH_MORE_DATA;
}
* pdwRemaining = dwRemaining;
* pszNextString = szNextString;
return pdhStatus;
}
STATIC_BOOL
PdhiLoadNewMachine (
IN HWND hDlg,
IN LPCWSTR szNewMachineName
)
/*++
Routine Description:
Connects to a new machine and loads the necessary performance data
from that machine.
Arguments:
IN HWND hDlg
Handle to dialog box containing the combo & list boxes to fill
IN LPCWSTR szNewMachineName
Machine name to open and obtain data from
Return Value:
TRUE new machine connected and data loaded
FALSE unable to connect to machine or obtain performance data from it.
--*/
{
HWND hWndMachineCombo;
PPDHI_BROWSE_DIALOG_DATA pData;
LONG lMatchIndex;
PDH_STATUS status;
int mbStatus;
BOOL bReturn = FALSE;
DWORD dwDataSourceType;
LPWSTR szMsg;
// acquire the data block associated with this dialog instance
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLongPtrW(hDlg, DWLP_USER);
if (pData == NULL) {
// invalid data block, unable to continue
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
// get window handle of the dialog box
hWndMachineCombo = GetDlgItem (hDlg, IDC_MACHINE_COMBO);
// not in list so try to add it as long as the data source
// is "Current Activity" (ie. == NULL) For Log Files, only
// the machines listed may be selected.
dwDataSourceType = DataSourceTypeH(pData->pDlgData->hDataSource);
if (dwDataSourceType != DATA_SOURCE_LOGFILE) {
status = PdhConnectMachineW (szNewMachineName);
if (status == ERROR_SUCCESS) {
// if successful, add string to combo box
lMatchIndex = (LONG)SendMessageW (hWndMachineCombo, CB_ADDSTRING,
0, (LPARAM)szNewMachineName);
SendMessageW (hWndMachineCombo, CB_SETCURSEL,
(WPARAM)lMatchIndex, 0);
// update other controls in this dialog
PdhiLoadMachineObjects (hDlg, FALSE); // no need to update since it was just connected
PdhiLoadCountersAndInstances (hDlg);
SendMessageW (hDlg, WM_COMMAND,
MAKEWPARAM(IDC_COUNTER_LIST, LBN_SELCHANGE),
(LPARAM)GetDlgItem(hDlg, IDC_COUNTER_LIST));
bReturn = TRUE;
} else {
szMsg = GetStringResource (IDS_ERR_UNABLE_TO_CONNECT);
if (szMsg != NULL) {
mbStatus = MessageBoxW (hDlg, szMsg, NULL,
MB_ICONEXCLAMATION | MB_TASKMODAL | MB_OK);
if (mbStatus == IDCANCEL) {
SetFocus(GetDlgItem(hDlg, IDC_MACHINE_COMBO));
} else {
SendMessageW (hWndMachineCombo, CB_SETCURSEL,
pData->wpLastMachineSel, 0);
}
G_FREE (szMsg);
} else {
MessageBeep (MB_ICONEXCLAMATION);
}
bReturn = FALSE;
}
} else {
szMsg = GetStringResource (IDS_ERR_MACHINE_NOT_IN_LOGFILE);
if (szMsg != NULL) {
mbStatus = MessageBoxW (hDlg,
szMsg, NULL,
MB_ICONEXCLAMATION | MB_TASKMODAL | MB_OK);
G_FREE (szMsg);
} else {
MessageBeep (MB_ICONEXCLAMATION);
}
// re-select the last machine
lMatchIndex = (long)SendMessageW (hWndMachineCombo,
CB_FINDSTRINGEXACT,(WPARAM)-1,
(LPARAM)pData->szLastMachineName);
SendMessageW (hWndMachineCombo, CB_SETCURSEL,
(WPARAM)lMatchIndex, 0);
bReturn = FALSE;
}
return bReturn;
}
STATIC_BOOL
PdhiSelectItemsInPath (
IN HWND hDlg
)
/*++
Routine Description:
Selects the items in the list box based on the counter path
string in the shared buffer.
Arguments:
IN HWND hDlg
Handle to the dialog window containing the controls
Return Value:
TRUE if successful,
FALSE if not
--*/
{
// regular stack variables
PDH_COUNTER_PATH_ELEMENTS_W *pCounterPathElementsW;
PDH_COUNTER_PATH_ELEMENTS_A *pCounterPathElementsA;
PDH_STATUS status;
PPDHI_BROWSE_DIALOG_DATA pData;
BOOL bReturn = FALSE;
DWORD dwBufferSize;
HWND hWndMachineCombo;
HWND hWndObjectCombo;
HWND hWndCounterList;
HWND hWndInstanceList;
LONG lIndex;
WCHAR wszMachineName[MAX_PATH];
// reset the last error value
SetLastError (ERROR_SUCCESS);
// get this dialog's user data
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLongPtrW(hDlg, DWLP_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return bReturn;
}
hWndMachineCombo = GetDlgItem (hDlg, IDC_MACHINE_COMBO);
hWndObjectCombo = GetDlgItem (hDlg, IDC_OBJECT_COMBO);
hWndCounterList = GetDlgItem (hDlg, IDC_COUNTER_LIST);
hWndInstanceList = GetDlgItem (hDlg, IDC_INSTANCE_LIST);
// Call the right conversion function based on user's buffer
if (pData->pDlgData->pWideStruct != NULL) {
// UNICODE/ wide characters
dwBufferSize = MAX_PATH * 2 * sizeof (WCHAR);
pCounterPathElementsW = (PDH_COUNTER_PATH_ELEMENTS_W *)
G_ALLOC(dwBufferSize);
if (pCounterPathElementsW == NULL) {
SetLastError (PDH_MEMORY_ALLOCATION_FAILURE);
return bReturn;
}
status = PdhParseCounterPathW (
pData->pDlgData->pWideStruct->szReturnPathBuffer,
pCounterPathElementsW,
&dwBufferSize,
0);
if (status == ERROR_SUCCESS) {
// select entry in each list box
// select machine entry. Load machine if necessary
lIndex = (LONG)SendMessageW (hWndMachineCombo, CB_FINDSTRINGEXACT,
(WPARAM)-1, (LPARAM)pCounterPathElementsW->szMachineName);
if (lIndex == CB_ERR) {
// try adding the machine
if (!PdhiLoadNewMachine (hDlg, pCounterPathElementsW->szMachineName)) {
// give up
bReturn = FALSE;
} else {
// the correct machine has been selected
}
} else {
// the machine has been found so select it
SendMessageW (hWndMachineCombo, CB_SETCURSEL,
(WPARAM)lIndex, 0);
// update other fields
PdhiLoadMachineObjects (hDlg, FALSE); // no need to update since it was just connected
}
// select the current object
lIndex = (LONG)SendMessageW (hWndObjectCombo, CB_FINDSTRING,
(WPARAM)-1, (LPARAM)pCounterPathElementsW->szObjectName);
if (lIndex != CB_ERR) {
SendMessageW (hWndObjectCombo, CB_SETCURSEL,
(WPARAM)lIndex, 0);
// update the counters for this object
PdhiLoadCountersAndInstances (hDlg);
// now select the counter
lIndex = (LONG)SendMessageW (hWndCounterList, LB_FINDSTRING,
(WPARAM)-1, (LPARAM)pCounterPathElementsW->szCounterName);
if (lIndex != LB_ERR) {
if (pData->bSelectMultipleCounters) {
SendMessageW (hWndCounterList, LB_SETSEL, FALSE, (LPARAM)-1);
SendMessageW (hWndCounterList, LB_SETSEL, TRUE, lIndex);
SendMessageW (hWndCounterList, LB_SETCARETINDEX,
(WPARAM)lIndex, MAKELPARAM(FALSE, 0));
} else {
SendMessageW (hWndCounterList, LB_SETCURSEL, lIndex, 0);
}
// display explain text if necessary
SendMessageW (hDlg, WM_COMMAND,
MAKEWPARAM(IDC_COUNTER_LIST, LBN_SELCHANGE),
(LPARAM)GetDlgItem(hDlg, IDC_COUNTER_LIST));
bReturn = TRUE;
} else {
// unable to locate counter
bReturn = FALSE;
}
} else {
// unable to locate the selected object
bReturn = FALSE;
}
} // else unable to read path so exit
G_FREE (pCounterPathElementsW);
} else {
// ANSI characters
dwBufferSize = MAX_PATH * 2 * sizeof (CHAR);
pCounterPathElementsA = (PDH_COUNTER_PATH_ELEMENTS_A *)G_ALLOC(
dwBufferSize);
if (pCounterPathElementsA == NULL) {
SetLastError (PDH_MEMORY_ALLOCATION_FAILURE);
return bReturn;
}
status = PdhParseCounterPathA (
pData->pDlgData->pAnsiStruct->szReturnPathBuffer,
pCounterPathElementsA,
&dwBufferSize,
0);
if (status == ERROR_SUCCESS) {
// select entry in each list box
// select machine entry. Load machine if necessary
lIndex = (LONG)SendMessageA (hWndMachineCombo, CB_FINDSTRINGEXACT,
(WPARAM)-1, (LPARAM)pCounterPathElementsA->szMachineName);
if (lIndex == CB_ERR) {
// try adding the machine
// convert ansi buffer to wide char first
MultiByteToWideChar(_getmbcp(),
0,
pCounterPathElementsA->szMachineName,
lstrlenA(pCounterPathElementsA->szMachineName),
wszMachineName,
MAX_PATH);
if (!PdhiLoadNewMachine (hDlg, wszMachineName)) {
// give up
bReturn = FALSE;
} else {
// the correct machine has been selected
}
} else {
// the machine has been found so select it
SendMessageA (hWndMachineCombo, CB_SETCURSEL,
(WPARAM)lIndex, 0);
// update other fields
PdhiLoadMachineObjects (hDlg, FALSE); // no need to update since it was just connected
}
// select the current object
lIndex = (LONG)SendMessageA (hWndObjectCombo, CB_FINDSTRING,
(WPARAM)-1, (LPARAM)pCounterPathElementsA->szObjectName);
if (lIndex != CB_ERR) {
SendMessageA (hWndObjectCombo, CB_SETCURSEL,
(WPARAM)lIndex, 0);
// update the counters for this object
PdhiLoadCountersAndInstances (hDlg);
// now select the counter
lIndex = (LONG)SendMessageA (hWndCounterList, LB_FINDSTRING,
(WPARAM)-1, (LPARAM)pCounterPathElementsA->szCounterName);
if (lIndex != LB_ERR) {
if (pData->bSelectMultipleCounters) {
SendMessageA (hWndCounterList, LB_SETSEL, FALSE, (LPARAM)-1);
SendMessageA (hWndCounterList, LB_SETSEL, TRUE, lIndex);
SendMessageA (hWndCounterList, LB_SETCARETINDEX,
(WPARAM)lIndex, MAKELPARAM(FALSE, 0));
} else {
SendMessageA (hWndCounterList, LB_SETCURSEL, lIndex, 0);
}
// display explain text if necessary
SendMessage (hDlg, WM_COMMAND,
MAKEWPARAM(IDC_COUNTER_LIST, LBN_SELCHANGE),
(LPARAM)GetDlgItem(hDlg, IDC_COUNTER_LIST));
bReturn = TRUE;
} else {
// unable to locate counter
bReturn = FALSE;
}
} else {
// unable to locate the selected object
bReturn = FALSE;
}
} // else unable to read path so exit
G_FREE (pCounterPathElementsA);
}
return bReturn;
}
STATIC_DWORD
PdhiLoadDetailLevelCombo (
IN HWND hDlg,
IN DWORD dwInitialLevel
)
/*++
Routine Description:
Loads the Detail Level Combo box with the strings and ID's
defined by the PdhiDetailInfo string array above.
Arguments:
IN HWND hDlg
Handle to the dialog box containing the combo box
IN DWORD dwInitialLevel
the intitial detail level to select in the combo box.
Return Value:
Returns the selected level or 0 if an error ocurred.
--*/
{
HWND hWndCombo;
DWORD dwIndex;
DWORD dwStringLength;
DWORD dwDefaultIndex = 0;
DWORD dwSelectedLevel = 0;
DWORD dwThisCbIndex;
WCHAR szTempBuffer[MAX_PATH]; // for loading string resource
hWndCombo = GetDlgItem (hDlg, IDC_COUNTER_DETAIL_COMBO);
// load all combo box strings from static data array defined above
for (dwIndex = 0; PdhiDetailInfo[dwIndex].dwLevelValue > 0; dwIndex++) {
// load the string resource for this string
dwStringLength = LoadStringW (ThisDLLHandle,
PdhiDetailInfo[dwIndex].dwStringResourceId,
szTempBuffer, MAX_PATH);
if (dwStringLength == 0) {
// unable to read the string in, so
// substitute the value for the string
_ltow (PdhiDetailInfo[dwIndex].dwLevelValue,
szTempBuffer, 10);
}
// load the strings into the combo box in the same order they
// were described in the array above
dwThisCbIndex = (DWORD)SendMessageW (hWndCombo, CB_INSERTSTRING,
(WPARAM)-1, (LPARAM)szTempBuffer);
// set the initial CB entry to the highest item <= to the
// desired default level
if (dwThisCbIndex != CB_ERR) {
// set item data to be the corresponding detail level
SendMessageW (hWndCombo, CB_SETITEMDATA, (WPARAM)dwThisCbIndex,
(LPARAM)PdhiDetailInfo[dwIndex].dwLevelValue);
// save default selection if it matches.
if (PdhiDetailInfo[dwIndex].dwLevelValue <= dwInitialLevel) {
dwDefaultIndex = dwThisCbIndex;
dwSelectedLevel = PdhiDetailInfo[dwIndex].dwLevelValue;
}
}
}
// select desired default entry
SendMessageW (hWndCombo, CB_SETCURSEL, (WPARAM)dwDefaultIndex, 0);
return dwSelectedLevel;
}
STATIC_BOOL
PdhiLoadKnownMachines (
IN HWND hDlg
)
/*++
Routine Description:
Get the list of machines that are currently connected and disply
them in the machine list box.
Arguments:
IN HWND hDlg
Handle to the dialog window containing the controls
Return Value:
TRUE if successful,
FALSE if not
--*/
{
// big stack variables
WCHAR mszMachineList[MACHINE_LIST_SIZE];
// regular stack variables
LPWSTR szThisMachine;
DWORD dwLength;
PDH_STATUS status;
HWND hMachineListWnd;
HCURSOR hOldCursor;
PPDHI_BROWSE_DIALOG_DATA pData;
BOOL bReturn = FALSE;
// get this dialog's user data
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLongPtrW(hDlg, DWLP_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return bReturn;
}
// clear the machine list buffer
memset (&mszMachineList[0], 0, (MACHINE_LIST_SIZE * sizeof (WCHAR)));
// display wait cursor since this is potentially time consuming
hOldCursor = SetCursor (LoadCursor (NULL, IDC_WAIT));
// get window handle to Machine list combo box
hMachineListWnd = GetDlgItem (hDlg, IDC_MACHINE_COMBO);
// clear machine combo box
SendMessageW (hMachineListWnd, CB_RESETCONTENT, 0, 0);
// get list of connected machines from PDH library
dwLength = MACHINE_LIST_SIZE;
status = PdhEnumMachinesHW (
pData->pDlgData->hDataSource,
&mszMachineList[0],
&dwLength);
if (status == ERROR_SUCCESS) {
// update the combo box
// go through MSZ and load each string into combo box
for (szThisMachine = &mszMachineList[0];
*szThisMachine != 0;
szThisMachine += lstrlenW(szThisMachine)+1) {
// add to the list box and let the list box sort them
SendMessageW (hMachineListWnd, CB_ADDSTRING, 0,
(LPARAM)szThisMachine);
}
// select the first item in the list (as the initial selection)
SendMessageW (hMachineListWnd, CB_SETCURSEL, 0, 0);
// the "current" machine has not been defined, then
// do it now
GetWindowTextW(hMachineListWnd, (LPWSTR)pData->szLastMachineName,
MAX_PATH);
bReturn = TRUE;
} else {
// no machines, so select local button and disable the edit window
CheckRadioButton (hDlg, IDC_USE_LOCAL_MACHINE, IDC_SELECT_MACHINE,
IDC_USE_LOCAL_MACHINE);
PdhiBrowseCtrDlg_MACHINE_BUTTON (hDlg, BN_CLICKED,
GetDlgItem (hDlg, IDC_USE_LOCAL_MACHINE));
bReturn = TRUE;
}
// restore cursor
SetCursor (hOldCursor);
// return status of function
return bReturn;
}
STATIC_BOOL
PdhiLoadMachineObjects (
IN HWND hDlg,
IN BOOL bRefresh
)
/*++
Routine Description:
For the currently selected machine, load the object list box
with the objects supported by that machine. If the bRefresh
flag is TRUE, then query the system for the current perf data
before loading the list box.
Arguments:
IN HWND hDlg
Window handle of parent dialog box
IN BOOL bRefresh
TRUE = Query performance data of system before updating
FALSE = Use the current system perf data to load the objects from
Return Value:
TRUE if successful,
FALSE if not
--*/
{
// big stack variables
WCHAR szMachineName[MAX_PATH];
WCHAR szDefaultObject[MAX_PATH];
LPWSTR mszObjectList = NULL;
// regular stack variables
DWORD dwObjectListLength = OBJECT_LIST_SIZE;
DWORD dwLength;
LPWSTR szThisObject;
HCURSOR hOldCursor;
HWND hObjectListWnd;
PPDHI_BROWSE_DIALOG_DATA pData;
PDH_STATUS pdhStatus;
DWORD dwReturn;
DWORD dwDetailLevel;
LPWSTR szMsg;
LRESULT nEntry;
DWORD dwFlags;
// get the pointer to the dialog's user data
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLongPtrW(hDlg, DWLP_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
mszObjectList = G_ALLOC (dwObjectListLength * sizeof(WCHAR));
if (mszObjectList == NULL) {
return FALSE;
}
// save old cursor and display wait cursor
hOldCursor = SetCursor (LoadCursor (NULL, IDC_WAIT));
if (!pData->bShowObjects) {
// get window handle to combo box control
hObjectListWnd = GetDlgItem (hDlg, IDC_OBJECT_COMBO);
} else {
hObjectListWnd = GetDlgItem (hDlg, IDC_OBJECT_LIST);
}
// get current machine name
GetDlgItemTextW (hDlg, IDC_MACHINE_COMBO, szMachineName, MAX_PATH);
if (lstrcmpW(szMachineName, pData->szLastMachineName) != 0) {
#ifdef _DEBUG
// to catch any snafus during debugging & development
MessageBoxW(hDlg, cszNameDontMatch,
cszNotice, MB_OK);
#endif
lstrcpyW (pData->szLastMachineName, szMachineName);
}
if (!pData->bShowObjects) {
// first clear out any old contents
SendMessageW (hObjectListWnd, CB_RESETCONTENT, 0, 0);
} else {
SendMessageW (hObjectListWnd, LB_RESETCONTENT, 0, 0);
}
// get object list from the PDH
dwDetailLevel = pData->dwCurrentDetailLevel;
dwDetailLevel |= pData->bIncludeCostlyObjects ? PERF_DETAIL_COSTLY : 0;
dwLength = dwObjectListLength;
pdhStatus = PdhEnumObjectsHW (
pData->pDlgData->hDataSource,
szMachineName, mszObjectList, &dwLength,
dwDetailLevel, bRefresh);
while ( pdhStatus == PDH_MORE_DATA
|| pdhStatus == PDH_INSUFFICIENT_BUFFER) {
// then realloc and try again, but only once
G_FREE (mszObjectList);
dwObjectListLength = dwLength;
mszObjectList = G_ALLOC (dwObjectListLength * sizeof(WCHAR));
if (mszObjectList == NULL) {
pdhStatus = PDH_MEMORY_ALLOCATION_FAILURE;
} else {
pdhStatus = PdhEnumObjectsHW (
pData->pDlgData->hDataSource,
szMachineName, mszObjectList, &dwLength,
dwDetailLevel, bRefresh);
}
}
if (pdhStatus == ERROR_SUCCESS) {
EnableWindow (hObjectListWnd, TRUE);
// load object list to the list (combo) box
for (szThisObject = &mszObjectList[0];
*szThisObject != 0;
szThisObject += lstrlenW(szThisObject) + 1) {
if (pData->bShowObjects) {
DWORD dwCounterListLength = 0;
DWORD dwInstanceListLength = 0;
pdhStatus = PdhEnumObjectItemsHW (
pData->pDlgData->hDataSource,
szMachineName,
szThisObject,
NULL,
& dwCounterListLength,
NULL,
& dwInstanceListLength,
PERF_DETAIL_WIZARD,
0);
if ( pdhStatus != ERROR_SUCCESS
&& pdhStatus != PDH_MORE_DATA
&& pdhStatus != PDH_INSUFFICIENT_BUFFER) {
dwInstanceListLength = 0;
}
if (dwInstanceListLength == 0 || dwInstanceListLength > 2) {
// send to list box control
nEntry = SendMessageW(hObjectListWnd, LB_ADDSTRING, 0,
(LPARAM) szThisObject);
dwFlags = 0;
if (dwInstanceListLength > 2) {
dwFlags |= PDH_OBJECT_HAS_INSTANCES;
}
SendMessageW(hObjectListWnd,
LB_SETITEMDATA,
(WPARAM) nEntry,
(LPARAM) dwFlags);
}
pdhStatus = ERROR_SUCCESS;
} else {
// send to combo box
// add each string...
SendMessageW(hObjectListWnd, CB_ADDSTRING, 0,
(LPARAM)szThisObject);
}
}
if (!pData->bShowObjects) {
// get default Object
dwLength = MAX_PATH;
pdhStatus = PdhGetDefaultPerfObjectHW (
pData->pDlgData->hDataSource,
szMachineName,
szDefaultObject,
&dwLength);
if (pdhStatus == ERROR_SUCCESS) {
// and select it if it's present (which it should be)
dwReturn = (DWORD)SendMessageW (hObjectListWnd, CB_SELECTSTRING,
(WPARAM)-1, (LPARAM)szDefaultObject);
if (dwReturn == CB_ERR) pdhStatus = PDH_CSTATUS_NO_OBJECT;
}
if (pdhStatus != ERROR_SUCCESS) {
// default object not found in list so select the first one
SendMessageW (hObjectListWnd, CB_SETCURSEL, 0, 0);
}
}
} else {
// unable to obtain object list so display message and disable list
szMsg = GetStringResource (IDS_BRWS_NO_OBJECTS);
if (szMsg != NULL) {
if (!pData->bShowObjects) {
SendMessageW (hObjectListWnd, CB_ADDSTRING, 0, (LPARAM)szMsg);
} else {
SendMessageW (hObjectListWnd, LB_ADDSTRING, 0, (LPARAM)szMsg);
}
G_FREE (szMsg);
EnableWindow (hObjectListWnd, FALSE);
}
}
// restore cursor
SetCursor (hOldCursor);
if (mszObjectList != NULL) G_FREE (mszObjectList);
// return status
return (pdhStatus == ERROR_SUCCESS) ? (TRUE) : (FALSE);
}
STATIC_BOOL
PdhiLoadCountersAndInstances (
IN HWND hDlg
)
/*++
Routine Description:
Load the counters and instances of the selected object on the
current machine
Arguments:
IN HWND hDlg
Window handle of the dialog box containing these controls
Return Value:
TRUE if successful,
FALSE if not
--*/
{
// big Stack variables
WCHAR szMachineName[MAX_PATH];
WCHAR szObjectName[MAX_PATH];
WCHAR szDefaultCounter[MAX_PATH];
WCHAR szInstanceString[MAX_PATH];
// regular Stack variables
LPWSTR szIndexStringPos;
DWORD dwCounterLen;
DWORD dwDefaultIndex;
DWORD dwCounterListLength;
DWORD dwInstanceListLength;
DWORD dwInstanceMatch;
DWORD dwInstanceIndex;
DWORD dwInstanceCount;
LPWSTR szThisItem;
HWND hWndCounterListBox;
HWND hWndInstanceListBox;
HCURSOR hOldCursor;
PPDHI_BROWSE_DIALOG_DATA pData;
PDH_STATUS pdhStatus;
LPWSTR mszCounterList = NULL;
LPWSTR mszInstanceList = NULL;
LPWSTR mszTmpList;
LPWSTR szMsg;
HDC hDcListBox;
SIZE Size;
LONG dwHorizExtent;
// get the pointer to the dialog's user data
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLongPtrW(hDlg, DWLP_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
hWndCounterListBox = GetDlgItem (hDlg, IDC_COUNTER_LIST);
hWndInstanceListBox = GetDlgItem (hDlg, IDC_INSTANCE_LIST);
if (hWndCounterListBox == NULL || hWndInstanceListBox == NULL) {
SetLastError(PDH_INVALID_HANDLE);
return FALSE;
}
// save current cursor and display wait cursor
hOldCursor = SetCursor (LoadCursor (NULL, IDC_WAIT));
// get current machine & object name
GetDlgItemTextW(hDlg, IDC_MACHINE_COMBO, szMachineName, MAX_PATH);
GetDlgItemTextW(hDlg, IDC_OBJECT_COMBO, szObjectName, MAX_PATH);
#ifdef _DEBUG
if (lstrcmpW(szMachineName, pData->szLastMachineName) != 0) {
MessageBoxW(hDlg, cszNameDontMatch,
cszNotice, MB_OK);
}
#endif
// get object list
mszCounterList = G_ALLOC (dwCounterListSize * sizeof(WCHAR));
if (mszCounterList != NULL) {
dwCounterListLength = dwCounterListSize;
} else {
return FALSE;
}
mszInstanceList = G_ALLOC (dwInstanceListSize * sizeof(WCHAR));
if (mszInstanceList != NULL) {
dwInstanceListLength = dwInstanceListSize;
} else {
G_FREE (mszCounterList);
return FALSE;
}
pdhStatus = PdhEnumObjectItemsHW(pData->pDlgData->hDataSource,
szMachineName,
szObjectName,
mszCounterList,
& dwCounterListLength,
mszInstanceList,
& dwInstanceListLength,
pData->dwCurrentDetailLevel,
0);
while ( pdhStatus == PDH_MORE_DATA
|| pdhStatus == PDH_INSUFFICIENT_BUFFER) {
// enlarge the buffer if necessary
if (dwCounterListLength > dwCounterListSize) {
mszTmpList = mszCounterList;
mszCounterList = G_REALLOC (mszCounterList, (dwCounterListLength * sizeof(WCHAR)));
if (mszCounterList != NULL) {
dwCounterListSize = dwCounterListLength;
} else {
G_FREE (mszTmpList);
G_FREE (mszInstanceList);
return FALSE;
}
} else {
// reset the buffer size values
dwCounterListLength = dwCounterListSize;
}
if (dwInstanceListLength > dwInstanceListSize) {
mszTmpList = mszInstanceList;
mszInstanceList = G_REALLOC (mszInstanceList, (dwInstanceListLength * sizeof(WCHAR)));
if (mszInstanceList != NULL) {
dwInstanceListSize = dwInstanceListLength;
} else {
G_FREE (mszTmpList);
G_FREE (mszCounterList);
return FALSE;
}
} else {
// reset the buffer size values
dwInstanceListLength = dwInstanceListSize;
}
// retry the call
pdhStatus = PdhEnumObjectItemsHW(pData->pDlgData->hDataSource,
szMachineName,
szObjectName,
mszCounterList,
& dwCounterListLength,
mszInstanceList,
& dwInstanceListLength,
pData->dwCurrentDetailLevel,
0);
}
if (pdhStatus == ERROR_SUCCESS) {
//reset contents of both list boxes
SendMessageW (hWndCounterListBox, LB_RESETCONTENT, 0, 0);
SendMessageW (hWndInstanceListBox, LB_RESETCONTENT, 0, 0);
// enable both list boxes
EnableWindow (hWndInstanceListBox, TRUE);
EnableWindow (hWndCounterListBox, TRUE);
// now fill 'em up
// start with the counters
hDcListBox = GetDC(hWndCounterListBox);
if (hDcListBox == NULL)
return FALSE;
dwHorizExtent = 0;
for (szThisItem = mszCounterList;
*szThisItem != 0;
szThisItem += lstrlenW(szThisItem) + 1) {
if (GetTextExtentPoint32W(hDcListBox, szThisItem,
lstrlenW(szThisItem), &Size)) {
if (Size.cx > dwHorizExtent) {
dwHorizExtent = Size.cx;
SendMessageW (hWndCounterListBox,
LB_SETHORIZONTALEXTENT, (WPARAM)dwHorizExtent, 0);
}
}
SendMessageW (hWndCounterListBox, LB_ADDSTRING,
0, (LPARAM)szThisItem);
}
ReleaseDC (hWndCounterListBox, hDcListBox);
// once the list box has been loaded see if we want to keep it
// enabled. It's filled regardless just so the user can see some
// of the entries, even if they have this disabled by the "all"
// counter button
if (pData->bSelectAllCounters) {
// disable instance list
EnableWindow(hWndCounterListBox, FALSE);
} else {
// set the default selection if there are entries in the
// list box and use the correct message depending on the
// selection options
// set the default counter
dwCounterLen = MAX_PATH;
pdhStatus = PdhGetDefaultPerfCounterHW (
pData->pDlgData->hDataSource,
szMachineName,
szObjectName,
szDefaultCounter,
&dwCounterLen);
if (pdhStatus != ERROR_SUCCESS) {
dwDefaultIndex = 0;
} else {
dwDefaultIndex = (DWORD)SendMessageW (hWndCounterListBox,
LB_FINDSTRINGEXACT,
(WPARAM)-1, (LPARAM)szDefaultCounter);
if (dwDefaultIndex == LB_ERR) dwDefaultIndex = 0;
}
if (pData->bSelectMultipleCounters) {
SendMessageW (hWndCounterListBox, LB_SETSEL, TRUE, dwDefaultIndex);
SendMessageW (hWndCounterListBox, LB_SETCARETINDEX,
(WPARAM)dwDefaultIndex, MAKELPARAM(FALSE, 0));
} else {
SendMessageW (hWndCounterListBox, LB_SETCURSEL, dwDefaultIndex, 0);
}
}
// now the instance list
if (dwInstanceListLength > 0) {
// there's at least one entry, so prepare the list box
// enable the list box and the instance radio buttons on the
// assumption that they will be used. this is tested later.
EnableWindow (hWndInstanceListBox, TRUE);
EnableWindow (GetDlgItem (hDlg, IDC_INSTANCE_CAPTION), TRUE);
EnableWindow (GetDlgItem (hDlg, IDC_ALL_INSTANCES), TRUE);
EnableWindow (GetDlgItem (hDlg, IDC_USE_INSTANCE_LIST), TRUE);
dwInstanceCount = 0;
// load instance entries
hDcListBox = GetDC(hWndInstanceListBox);
if (hDcListBox == NULL)
return FALSE;
dwHorizExtent = 0;
for (szThisItem = mszInstanceList;
*szThisItem != 0;
szThisItem += lstrlenW(szThisItem) + 1) {
// see if the index number should be displayed
if (pData->bShowIndex) {
// if so, it must be derived,
// this is accomplished by making an index entry starting
// at 1, and looking for a match in the current entries.
// if a match is found, then the index is incremented and
// the process is repeated until the specified
// instance is not found. The first value not found is
// then the index entry for that item.
//
// first see if there's an undecorated one in the list box
// if not then add this one
lstrcpyW (szInstanceString, szThisItem);
dwInstanceMatch = (DWORD)-1;
dwInstanceMatch = (DWORD)SendMessageW (
hWndInstanceListBox, LB_FINDSTRINGEXACT,
(WPARAM)dwInstanceMatch, (LPARAM)szInstanceString);
if (dwInstanceMatch == LB_ERR) {
// then this is the first one so add it in the
// undecorated form
if (GetTextExtentPoint32W(hDcListBox, szInstanceString,
lstrlenW(szThisItem), &Size)) {
if (Size.cx > dwHorizExtent) {
dwHorizExtent = Size.cx;
SendMessageW (hWndInstanceListBox,
LB_SETHORIZONTALEXTENT, (WPARAM)dwHorizExtent, 0);
}
}
SendMessageW (hWndInstanceListBox, LB_ADDSTRING, 0,
(LPARAM)szInstanceString);
} else {
// there's already a plain one, so increment through
// the index values and find one that's not in the
// list already
dwInstanceIndex = 1;
dwInstanceMatch = (DWORD)-1;
// find the index of this instance
lstrcpyW (szInstanceString, szThisItem);
lstrcatW (szInstanceString, cszPoundSign);
szIndexStringPos = &szInstanceString[lstrlenW(szInstanceString)];
do {
_ltow ((long)dwInstanceIndex++, szIndexStringPos, 10);
dwInstanceMatch = (DWORD)SendMessageW (
hWndInstanceListBox, LB_FINDSTRINGEXACT,
(WPARAM)dwInstanceMatch, (LPARAM)szInstanceString);
} while (dwInstanceMatch != LB_ERR);
// add the last entry checked (the first one not found)
// to the list box now.
if (GetTextExtentPoint32W(hDcListBox, szInstanceString,
lstrlenW(szThisItem), &Size)) {
if (Size.cx > dwHorizExtent) {
dwHorizExtent = Size.cx;
SendMessageW (hWndInstanceListBox,
LB_SETHORIZONTALEXTENT, (WPARAM)dwHorizExtent, 0);
}
}
SendMessageW (hWndInstanceListBox, LB_ADDSTRING, 0,
(LPARAM)szInstanceString);
}
} else {
// index values are not required so just add the string
// to the list box
if (GetTextExtentPoint32W(hDcListBox, szInstanceString,
lstrlenW(szThisItem), &Size)) {
if (Size.cx > dwHorizExtent) {
dwHorizExtent = Size.cx;
SendMessageW (hWndInstanceListBox,
LB_SETHORIZONTALEXTENT, (WPARAM)dwHorizExtent, 0);
}
}
SendMessageW (hWndInstanceListBox, LB_ADDSTRING, 0,
(LPARAM)szThisItem);
}
dwInstanceCount++;
}
ReleaseDC (hWndInstanceListBox, hDcListBox);
if (dwInstanceCount == 0) {
// disable the OK/Add button, since this object has no
// current instances to monitor
EnableWindow (GetDlgItem(hDlg, IDOK), FALSE);
szMsg = GetStringResource (IDS_BRWS_NO_INSTANCES);
if (szMsg != NULL) {
SendMessageW (hWndInstanceListBox, LB_ADDSTRING, 0,
(LPARAM)szMsg);
G_FREE (szMsg);
}
EnableWindow (GetDlgItem (hDlg, IDC_INSTANCE_CAPTION), FALSE);
EnableWindow (GetDlgItem (hDlg, IDC_ALL_INSTANCES), FALSE);
EnableWindow (GetDlgItem (hDlg, IDC_USE_INSTANCE_LIST), FALSE);
EnableWindow (hWndInstanceListBox, FALSE);
} else {
// enable the OK/Add button since there is some monitorable
// instance(s)
EnableWindow (GetDlgItem(hDlg, IDOK), TRUE);
EnableWindow (GetDlgItem (hDlg, IDC_INSTANCE_CAPTION), TRUE);
EnableWindow (GetDlgItem (hDlg, IDC_ALL_INSTANCES), TRUE);
EnableWindow (GetDlgItem (hDlg, IDC_USE_INSTANCE_LIST), TRUE);
EnableWindow (hWndInstanceListBox, TRUE);
}
// once the list box has been loaded see if we want to keep it
// enabled. It's filled regardless just so the user can see some
// of the entries, even if they have this disabled by the "all"
// instance button
if (pData->bSelectAllInstances) {
// disable instance list
EnableWindow(hWndInstanceListBox, FALSE);
} else {
// set the default selection if there are entries in the
// list box and use the correct message depending on the
// selection options
if ((dwInstanceCount > 0) &&
(SendMessageW (hWndInstanceListBox, LB_GETCOUNT, 0, 0) !=
LB_ERR)) {
if (pData->bSelectMultipleCounters) {
SendMessageW (hWndInstanceListBox, LB_SETSEL, TRUE, 0);
} else {
SendMessageW (hWndInstanceListBox, LB_SETCURSEL, 0, 0);
}
}
}
} else {
// there are no instances of this counter so display the
// string and disable the buttons and the list box
EnableWindow (hWndInstanceListBox, FALSE);
EnableWindow (GetDlgItem (hDlg, IDC_INSTANCE_CAPTION), FALSE);
EnableWindow (GetDlgItem (hDlg, IDC_ALL_INSTANCES), FALSE);
EnableWindow (GetDlgItem (hDlg, IDC_USE_INSTANCE_LIST), FALSE);
EnableWindow (GetDlgItem(hDlg, IDOK), TRUE);
}
} else {
// unable to retrieve the counters and instances so
// clear and then...
SendMessageW (hWndCounterListBox, LB_RESETCONTENT, 0, 0);
SendMessageW (hWndInstanceListBox, LB_RESETCONTENT, 0, 0);
// disable the windows
szMsg = GetStringResource (IDS_BRWS_NO_INSTANCES);
if (szMsg != NULL) {
SendMessageW (hWndInstanceListBox, LB_ADDSTRING, 0,
(LPARAM)szMsg);
G_FREE (szMsg);
}
szMsg = GetStringResource (IDS_BRWS_NO_COUNTERS);
if (szMsg != NULL) {
SendMessageW (hWndCounterListBox, LB_ADDSTRING, 0,
(LPARAM)szMsg);
G_FREE (szMsg);
}
EnableWindow (hWndInstanceListBox, FALSE);
EnableWindow (hWndCounterListBox, FALSE);
EnableWindow (GetDlgItem (hDlg, IDC_ALL_INSTANCES), FALSE);
EnableWindow (GetDlgItem (hDlg, IDC_USE_INSTANCE_LIST), FALSE);
EnableWindow (GetDlgItem(hDlg, IDOK), FALSE);
}
if (mszCounterList != NULL) G_FREE(mszCounterList);
if (mszInstanceList != NULL) G_FREE(mszInstanceList);
// restore the cursor to it's original shape
SetCursor (hOldCursor);
// return status
return TRUE;
}
STATIC_PDH_FUNCTION
PdhiCompileSelectedObjectsT (
IN HWND hDlg,
IN LPVOID pUsersPathBuffer,
IN DWORD cchUsersPathLength,
IN BOOL bUnicode
)
/*++
Routine Description:
Scans the selected objects, counter, instances and builds a multi-SZ
string containing the expanded path of all the selections, unless
the wild card syntax is specified.
Arguments:
IN HWND hDlg
Window Handle of Dialog containing the controls
IN LPVOID pUsersPathBuffer
pointer to the caller's buffer that will receive the MSZ string
IN DWORD cchUsersPathLength
size of caller's buffer in characters
IN BOOL bUnicode
size of characters to return: TRUE = WCHAR, FALSE = CHAR
Return Value:
WIN32 Status of function completion
ERROR_SUCCESS if successful
--*/
{
// big Stack Variables
static WCHAR lszMachineName[MAX_PATH];
static WCHAR lszObjectName[MAX_PATH];
static WCHAR lszInstanceName[SMALL_BUFFER_SIZE];
static WCHAR lszCounterName[SMALL_BUFFER_SIZE];
static WCHAR szWorkBuffer[SMALL_BUFFER_SIZE];
// regular Stack Variables
LRESULT iNumEntries;
int iThisEntry;
LRESULT iCurSelState;
LRESULT iTextLen;
LRESULT dwObjectFlags;
DWORD dwBufferRemaining;
DWORD dwSize1;
PDH_COUNTER_PATH_ELEMENTS_W lszPath;
LPVOID szCounterStart;
PDH_STATUS pdhStatus = ERROR_SUCCESS;
PPDHI_BROWSE_DIALOG_DATA pData;
// get pointer to dialog user data
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLongPtrW(hDlg, DWLP_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return PDH_NO_DIALOG_DATA;
}
// clear user's string
if (pUsersPathBuffer != NULL) {
// clear first four bytes of string
*((LPDWORD)pUsersPathBuffer) = 0;
dwBufferRemaining = cchUsersPathLength;
szCounterStart = pUsersPathBuffer;
} else {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_INVALID_BUFFER);
#endif
return PDH_INVALID_BUFFER; // no point in continuing if the caller doesn't have a buffer
}
// each counter path string is built by setting the elements of
// the counter data structure and then calling the MakeCounterPath
// function to build the string
// build base string using selected machine & objects from list
if (pData->bIncludeMachineInPath) {
lszPath.szMachineName = &lszMachineName[0];
memset (lszMachineName, 0, sizeof(lszMachineName));
GetDlgItemTextW (hDlg, IDC_MACHINE_COMBO, lszMachineName, MAX_PATH);
} else {
lszPath.szMachineName = NULL;
}
// Get number of objects currently listed in the list box
iNumEntries = SendMessageW(GetDlgItem(hDlg, IDC_OBJECT_LIST), LB_GETCOUNT, 0, 0);
if (iNumEntries != LB_ERR) {
// check each one and add selected ones to the list
lszInstanceName[0] = SPLAT_L;
lszInstanceName[1] = 0;
lszCounterName[0] = SPLAT_L;
lszCounterName[1] = 0;
lszPath.szCounterName = lszCounterName; // wildcard counter entry
lszPath.szParentInstance = NULL; // no parent instances
lszPath.dwInstanceIndex = ((DWORD)-1); // no index numbers
for (iThisEntry = 0; iThisEntry < iNumEntries; iThisEntry++) {
iCurSelState = SendMessageW(GetDlgItem(hDlg, IDC_OBJECT_LIST),
LB_GETSEL, (WPARAM)iThisEntry, 0);
if (iCurSelState > 0) {
// then get the string and add it to the list
iTextLen = SendMessageW(GetDlgItem(hDlg, IDC_OBJECT_LIST),
LB_GETTEXTLEN, iThisEntry, 0);
if ((iTextLen < MAX_PATH) && (iTextLen != LB_ERR)) {
// the string and it's null will fit so fetch it
iTextLen = SendMessageW(GetDlgItem(hDlg, IDC_OBJECT_LIST),
LB_GETTEXT, iThisEntry, (LPARAM)lszObjectName);
dwObjectFlags = SendMessage (GetDlgItem(hDlg, IDC_OBJECT_LIST),
LB_GETITEMDATA, (WPARAM)iThisEntry, 0);
if (iTextLen != LB_ERR) {
// build path elements
lszPath.szObjectName = lszObjectName;
if (dwObjectFlags & PDH_OBJECT_HAS_INSTANCES) {
lszPath.szInstanceName = lszInstanceName;
} else {
lszPath.szInstanceName = NULL;
}
dwSize1 = sizeof (szWorkBuffer) / sizeof (WCHAR);
pdhStatus = PdhMakeCounterPathW (&lszPath,
szWorkBuffer,
& dwSize1,
0);
}
else {
pdhStatus = PDH_INVALID_ARGUMENT;
}
if (pdhStatus == ERROR_SUCCESS) {
// add the string if there's room
pdhStatus = PdhiCopyString(& ((LPBYTE) szCounterStart),
szWorkBuffer,
& dwBufferRemaining,
bUnicode);
}
} else {
// unable to read the string (to big or List Box error)
}
} // else, item isn't selected so skip
} // end for each item in the list box
if (bUnicode) {
*((LPWSTR)szCounterStart)++ = 0; // terminate MSZ
} else {
*((LPSTR)szCounterStart)++ = 0; // terminate MSZ
}
} else {
// no items in the list
}
return pdhStatus;
}
STATIC_PDH_FUNCTION
PdhiCompileSelectedObjectsW (
IN HWND hDlg,
IN LPWSTR szUsersPathBuffer,
IN DWORD cchUsersPathLength
)
{
return PdhiCompileSelectedObjectsT (
hDlg,
(LPVOID)szUsersPathBuffer,
cchUsersPathLength,
TRUE);
}
STATIC_PDH_FUNCTION
PdhiCompileSelectedObjectsA (
IN HWND hDlg,
IN LPSTR szUsersPathBuffer,
IN DWORD cchUsersPathLength
)
{
return PdhiCompileSelectedObjectsT (
hDlg,
(LPVOID)szUsersPathBuffer,
cchUsersPathLength,
FALSE);
}
STATIC_PDH_FUNCTION
PdhiCompileSelectedCountersT (
IN HWND hDlg,
IN LPVOID pUsersPathBuffer,
IN DWORD cchUsersPathLength,
IN BOOL bUnicode
)
/*++
Routine Description:
Scans the selected objects, counter, instances and builds a multi-SZ
string containing the expanded path of all the selections, unless
the wild card syntax is specified.
Arguments:
IN HWND hDlg
Window Handle of Dialog containing the controls
IN LPVOID pUsersPathBuffer
pointer to the caller's buffer that will receive the MSZ string
IN DWORD cchUsersPathLength
size of caller's buffer in characters
IN BOOL bUnicode
size of characters to return: TRUE = WCHAR, FALSE = CHAR
Return Value:
WIN32 Status of function completion
ERROR_SUCCESS if successful
--*/
{
// big Stack Variables
static WCHAR lszMachineName[MAX_PATH];
static WCHAR lszObjectName[MAX_PATH];
static WCHAR lszInstanceName[SMALL_BUFFER_SIZE];
static WCHAR lszParentInstance[SMALL_BUFFER_SIZE];
static WCHAR lszCounterName[SMALL_BUFFER_SIZE];
static WCHAR szWorkBuffer[SMALL_BUFFER_SIZE];
// regular Stack Variables
DWORD dwBufferRemaining;
DWORD dwCountCounters;
DWORD dwThisCounter;
DWORD dwCountInstances;
DWORD dwThisInstance;
DWORD dwSize1, dwSize2;
PDH_COUNTER_PATH_ELEMENTS_W lszPath;
LPVOID szCounterStart;
HWND hWndCounterList;
HWND hWndInstanceList;
BOOL bSel;
PDH_STATUS pdhStatus = ERROR_SUCCESS;
PPDHI_BROWSE_DIALOG_DATA pData;
// get pointer to dialog user data
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLongPtrW(hDlg, DWLP_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return PDH_NO_DIALOG_DATA;
}
// clear user's string
if (pUsersPathBuffer != NULL) {
// clear first four bytes of string
*((LPDWORD)pUsersPathBuffer) = 0;
dwBufferRemaining = cchUsersPathLength;
szCounterStart = pUsersPathBuffer;
} else {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_INVALID_BUFFER);
#endif
return PDH_INVALID_BUFFER; // no point in continuing if the caller doesn't have a buffer
}
// each counter path string is built by setting the elements of
// the counter data structure and then calling the MakeCounterPath
// function to build the string
// build base string using selected machine and object
if (pData->bIncludeMachineInPath) {
lszPath.szMachineName = &lszMachineName[0];
memset (lszMachineName, 0, sizeof(lszMachineName));
GetDlgItemTextW (hDlg, IDC_MACHINE_COMBO, lszMachineName, MAX_PATH);
} else {
lszPath.szMachineName = NULL;
}
lszPath.szObjectName = &lszObjectName[0];
memset (lszObjectName, 0, sizeof(lszObjectName));
GetDlgItemTextW (hDlg, IDC_OBJECT_COMBO, lszObjectName, MAX_PATH);
hWndCounterList = GetDlgItem (hDlg, IDC_COUNTER_LIST);
hWndInstanceList = GetDlgItem (hDlg, IDC_INSTANCE_LIST);
if (pData->bSelectMultipleCounters) {
if (pData->bWildCardInstances && pData->bSelectAllInstances) {
if (IsWindowEnabled(GetDlgItem (hDlg, IDC_ALL_INSTANCES))) {
// then this object has instances and we want ALL of them
lszPath.szInstanceName = &lszInstanceName[0];
memset (lszInstanceName, 0, sizeof(lszInstanceName));
lstrcpyW (lszInstanceName, cszSplat);
lszPath.szParentInstance = NULL;
lszPath.dwInstanceIndex = (DWORD)-1;
} else {
// this object has no instances
lszPath.szInstanceName = NULL;
lszPath.szParentInstance = NULL;
lszPath.dwInstanceIndex = (DWORD)-1;
}
// make a counter path for each selected counter
dwCountCounters = (DWORD)SendMessageW (hWndCounterList, LB_GETCOUNT, 0, 0);
if (pData->bSelectAllCounters) {
lszPath.szCounterName = &lszCounterName[0];
lstrcpyW (lszPath.szCounterName, cszSplat);
dwSize1 = sizeof (szWorkBuffer) / sizeof (WCHAR);
pdhStatus = PdhMakeCounterPathW (&lszPath,
szWorkBuffer,
&dwSize1,
0);
if (pdhStatus == ERROR_SUCCESS) {
// add the string if there's room
pdhStatus = PdhiCopyString(& ((LPBYTE) szCounterStart),
szWorkBuffer,
& dwBufferRemaining,
bUnicode);
}
} else {
for (dwThisCounter = 0; dwThisCounter < dwCountCounters; dwThisCounter++) {
if (SendMessageW (hWndCounterList, LB_GETSEL, (WPARAM)dwThisCounter, 0)) {
lszPath.szCounterName = &lszCounterName[0];
memset (lszCounterName, 0, sizeof(lszCounterName));
SendMessageW (hWndCounterList, LB_GETTEXT,
(WPARAM)dwThisCounter, (LPARAM)lszCounterName);
dwSize1 = sizeof (szWorkBuffer) / sizeof (WCHAR);
pdhStatus = PdhMakeCounterPathW (&lszPath,
szWorkBuffer,
&dwSize1,
0);
if (pdhStatus == ERROR_SUCCESS) {
// add the string if there's room
pdhStatus = PdhiCopyString(
& ((LPBYTE) szCounterStart),
szWorkBuffer,
& dwBufferRemaining,
bUnicode);
} else {
// skip this counter since it could not be formed correctly
continue;
}
} // end if this counter was selected
} // end for each counter in object list box
}
} else {
// get selected instances from list
dwCountCounters = (DWORD)SendMessageW (hWndCounterList, LB_GETCOUNT, 0, 0);
for (dwThisCounter = 0; dwThisCounter < dwCountCounters; dwThisCounter++) {
bSel = (BOOL) SendMessageW (hWndCounterList, LB_GETSEL, (WPARAM)dwThisCounter, 0);
if (bSel || pData->bSelectAllCounters ) {
lszPath.szCounterName = &lszCounterName[0];
memset (lszCounterName, 0, sizeof(lszCounterName));
SendMessageW (hWndCounterList, LB_GETTEXT,
(WPARAM)dwThisCounter, (LPARAM)lszCounterName);
if (IsWindowEnabled(hWndInstanceList) || pData->bSelectAllInstances) {
dwCountInstances = (DWORD)SendMessageW (hWndInstanceList,
LB_GETCOUNT, 0, 0);
for (dwThisInstance = 0; dwThisInstance < dwCountInstances; dwThisInstance++) {
if (SendMessageW (hWndInstanceList, LB_GETSEL,
(WPARAM)dwThisInstance, 0) || pData->bSelectAllInstances) {
lszPath.szInstanceName = &lszInstanceName[0];
memset (lszInstanceName, 0, sizeof(lszInstanceName));
SendMessageW (hWndInstanceList, LB_GETTEXT,
(WPARAM)dwThisInstance, (LPARAM)lszInstanceName);
lszPath.szParentInstance = &lszParentInstance[0];
memset (lszParentInstance, 0, sizeof(lszParentInstance));
dwSize1 = dwSize2 = MAX_PATH;
pdhStatus = PdhParseInstanceNameW (lszInstanceName,
lszInstanceName,
&dwSize1,
lszParentInstance,
&dwSize2,
&lszPath.dwInstanceIndex);
if (pdhStatus == ERROR_SUCCESS) {
// parse instance name adds in the default index if one is
// not present. so if it's not wanted, this will remove it
if (!pData->bShowIndex) {
lszPath.dwInstanceIndex = (DWORD)-1;
} else {
// only add in the instance # if it's not 0
if (lszPath.dwInstanceIndex == 0) {
lszPath.dwInstanceIndex = (DWORD)-1;
}
}
if (dwSize1 > 1) {
lszPath.szInstanceName = &lszInstanceName[0];
} else {
lszPath.szInstanceName = NULL;
}
if (dwSize2 > 1) {
lszPath.szParentInstance = &lszParentInstance[0];
} else {
lszPath.szParentInstance = NULL;
}
} else {
// ignore the instances
lszPath.szInstanceName = NULL;
lszPath.szParentInstance = NULL;
}
dwSize1 = sizeof (szWorkBuffer) / sizeof (WCHAR);
pdhStatus = PdhMakeCounterPathW (&lszPath,
szWorkBuffer,
&dwSize1,
0);
if (pdhStatus == ERROR_SUCCESS) {
pdhStatus = PdhiCopyString(
& ((LPBYTE) szCounterStart),
szWorkBuffer,
& dwBufferRemaining,
bUnicode);
} else {
// unable to make counter path so skip
}
} // end if instance is selected
} // end for each instance in list
} else {
// this counter has no instances so process now
lszPath.szInstanceName = NULL;
lszPath.szParentInstance = NULL;
lszPath.dwInstanceIndex = (DWORD)-1;
dwSize1 = sizeof (szWorkBuffer) / sizeof (WCHAR);
pdhStatus = PdhMakeCounterPathW (&lszPath,
szWorkBuffer,
&dwSize1,
0);
if (pdhStatus == ERROR_SUCCESS) {
pdhStatus = PdhiCopyString(
& ((LPBYTE) szCounterStart),
szWorkBuffer,
& dwBufferRemaining,
bUnicode);
} else {
// unable to create a path so skip and continue
}
} // end if counter has instances
} // else counter is not selected
} // end for each counter in list
} // end if not wild card instances
if (bUnicode) {
*((LPWSTR)szCounterStart)++ = 0; // terminate MSZ
} else {
*((LPSTR)szCounterStart)++ = 0; // terminate MSZ
}
} else {
// only single selections are allowed
if (pData->bWildCardInstances && pData->bSelectAllInstances) {
lszPath.szInstanceName = &lszInstanceName[0];
memset (lszInstanceName, 0, sizeof(lszInstanceName));
lstrcpyW (lszInstanceName, cszSplat);
lszPath.szParentInstance = NULL;
lszPath.dwInstanceIndex = (DWORD)-1;
dwThisCounter = (DWORD)SendMessageW (hWndCounterList, LB_GETCURSEL, 0, 0);
if (dwThisCounter != LB_ERR) {
lszPath.szCounterName = &lszCounterName[0];
memset (lszCounterName, 0, sizeof(lszCounterName));
SendMessageW (hWndCounterList, LB_GETTEXT,
(WPARAM)dwThisCounter, (LPARAM)lszCounterName);
dwSize1 = sizeof (szWorkBuffer) / sizeof (WCHAR);
pdhStatus = PdhMakeCounterPathW (&lszPath,
szWorkBuffer,
&dwSize1,
0);
if (pdhStatus == ERROR_SUCCESS) {
pdhStatus = PdhiCopyString(& ((LPBYTE) szCounterStart),
szWorkBuffer,
& dwBufferRemaining,
bUnicode);
} else {
// unable to make counter path so skip
}
} //end if counter was found in list box
} else {
// get selected instance from list
dwThisCounter = (DWORD)SendMessageW (hWndCounterList, LB_GETCURSEL, 0, 0);
if (dwThisCounter != LB_ERR) {
lszPath.szCounterName = &lszCounterName[0];
memset (lszCounterName, 0, sizeof(lszCounterName));
SendMessageW (hWndCounterList, LB_GETTEXT,
(WPARAM)dwThisCounter, (LPARAM)lszCounterName);
if (IsWindowEnabled(hWndInstanceList)) {
dwThisInstance = (DWORD)SendMessageW (hWndInstanceList,
LB_GETCURSEL, 0, 0);
if (dwThisInstance == LB_ERR) {
// instance not found so select 0
dwThisInstance = 0;
}
lszPath.szInstanceName = &lszInstanceName[0];
memset (lszInstanceName, 0, sizeof(lszInstanceName));
SendMessageW (hWndInstanceList, LB_GETTEXT,
(WPARAM)dwThisInstance, (LPARAM)lszInstanceName);
lszPath.szParentInstance = &lszParentInstance[0];
memset (lszParentInstance, 0, sizeof(lszParentInstance));
dwSize1 = dwSize2 = MAX_PATH;
pdhStatus = PdhParseInstanceNameW (lszInstanceName,
lszInstanceName,
&dwSize1,
lszParentInstance,
&dwSize2,
&lszPath.dwInstanceIndex);
if (pdhStatus == ERROR_SUCCESS ) {
// parse instance name adds in the default index of one is
// not present. so if it's not wanted, this will remove it
if (!pData->bShowIndex) {
lszPath.dwInstanceIndex = (DWORD)-1;
}
// size values include trailing NULL char so
// strings must be > 1 char in length to have some
// text since a length of 1 would imply only a
// NULL character.
if (dwSize1 > 1) {
lszPath.szInstanceName = &lszInstanceName[0];
} else {
lszPath.szInstanceName = NULL;
}
if (dwSize2 > 1) {
lszPath.szParentInstance = &lszParentInstance[0];
} else {
lszPath.szParentInstance = NULL;
}
} else {
// skip this instance
lszPath.szParentInstance = NULL;
lszPath.szInstanceName = NULL;
lszPath.dwInstanceIndex = (DWORD)-1;
}
} else {
// this counter has no instances so process now
lszPath.szInstanceName = NULL;
lszPath.szParentInstance = NULL;
lszPath.dwInstanceIndex = (DWORD)-1;
} // end if counter has instances
dwSize1 = sizeof (szWorkBuffer) / sizeof (WCHAR);
pdhStatus = PdhMakeCounterPathW (&lszPath,
szWorkBuffer,
&dwSize1,
0);
if (pdhStatus == ERROR_SUCCESS) {
pdhStatus = PdhiCopyString(& ((LPBYTE) szCounterStart),
szWorkBuffer,
& dwBufferRemaining,
bUnicode);
} else {
// unable to build a counter path so skip
}
} // end if counter found
} // end if not wild card instances
}
if (bUnicode) {
*((LPWSTR)szCounterStart)++ = 0; // terminate MSZ
} else {
*((LPSTR)szCounterStart)++ = 0; // terminate MSZ
}
return pdhStatus;
}
STATIC_PDH_FUNCTION
PdhiCompileSelectedCountersW (
IN HWND hDlg,
IN LPWSTR szUsersPathBuffer,
IN DWORD cchUsersPathLength
)
/*++
Routine Description:
UNICODE function wrapper for base function which scans the selected
objects, counter, instances and builds a multi-SZ string containing
the expanded path of all the selections, unless the wild card
syntax is specified.
Arguments:
IN HWND hDlg
Window Handle of Dialog containing the controls
IN LPWSTR szUsersPathBuffer
pointer to the caller's buffer that will receive the MSZ
wide characters string
IN DWORD cchUsersPathLength
size of caller's buffer in characters
Return Value:
WIN32 Status of function completion
ERROR_SUCCESS if successful
--*/
{
return PdhiCompileSelectedCountersT (
hDlg,
(LPVOID)szUsersPathBuffer,
cchUsersPathLength,
TRUE);
}
STATIC_PDH_FUNCTION
PdhiCompileSelectedCountersA (
IN HWND hDlg,
IN LPSTR szUsersPathBuffer,
IN DWORD cchUsersPathLength
)
/*++
Routine Description:
ANSI function wrapper for base function which scans the selected
objects, counter, instances and builds a multi-SZ string containing
the expanded path of all the selections, unless the wild card
syntax is specified.
Arguments:
IN HWND hDlg
Window Handle of Dialog containing the controls
IN LPsSTR szUsersPathBuffer
pointer to the caller's buffer that will receive the MSZ
single-byte characters string
IN DWORD cchUsersPathLength
size of caller's buffer in characters
Return Value:
WIN32 Status of function completion
ERROR_SUCCESS if successful
--*/
{
return PdhiCompileSelectedCountersT (
hDlg,
(LPVOID)szUsersPathBuffer,
cchUsersPathLength,
FALSE);
}
STATIC_BOOL
PdhiBrowseCtrDlg_MACHINE_COMBO (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
)
/*++
Routine Description:
Processes the windows messags sent by the Machine selection combo box
Arguments:
IN HWND hDlg
Window Handle to the dialog box containing the control
IN WORD wNotifyMsg
Notification message sent by the control
IN HWND hWndControl
Window handle of the control sending the message
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
WCHAR szNewMachineName[MAX_PATH];
HWND hWndMachineCombo = hWndControl;
long lMatchIndex;
HCURSOR hOldCursor;
PPDHI_BROWSE_DIALOG_DATA pData;
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLongPtrW(hDlg, DWLP_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
switch (wNotifyMsg) {
case CBN_KILLFOCUS:
// the user has left the control so see if there's a new
// machine name that will need to be connected to and loaded
// display the wait cursor as this could take a while
hOldCursor = SetCursor (LoadCursor (NULL, IDC_WAIT));
// Get current combo box text
GetWindowTextW (hWndMachineCombo, szNewMachineName, MAX_PATH);
// see if it's in the combo box already
lMatchIndex = (long)SendMessageW (hWndMachineCombo,
CB_FINDSTRINGEXACT,(WPARAM)-1, (LPARAM)szNewMachineName);
// if name is in list, then select it and initialize the dialog
// update the current counter list & data block for this machine
// in the process.
if (lMatchIndex != CB_ERR) {
// this name is already in the list so see if it's the same as the last selected machine
if (lstrcmpiW (szNewMachineName, pData->szLastMachineName) != 0) {
// this is a different machine so update the display
SendMessageW (hWndMachineCombo, CB_SETCURSEL,
(WPARAM)lMatchIndex, 0);
PdhiLoadMachineObjects (hDlg, TRUE);
PdhiLoadCountersAndInstances (hDlg);
// display explain text if necessary
SendMessageW (hDlg, WM_COMMAND,
MAKEWPARAM(IDC_COUNTER_LIST, LBN_SELCHANGE),
(LPARAM)GetDlgItem(hDlg, IDC_COUNTER_LIST));
lstrcpyW (pData->szLastMachineName, szNewMachineName);
} else {
// they just reselected this machine so nothing to do
}
} else {
if (PdhiLoadNewMachine (hDlg, szNewMachineName)) {
// new machine loaded and selected so save the name.
lstrcpyW (pData->szLastMachineName, szNewMachineName);
}
}
SetCursor (hOldCursor);
return TRUE;
default:
return FALSE;
}
}
STATIC_BOOL
PdhiBrowseCtrDlg_MACHINE_BUTTON (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
)
/*++
Routine Description:
Processes the windows message that occurs when one of the
machine context selection buttons in pressed in the dialog
Arguments:
IN HWND hDlg
Window Handle to the dialog box containing the button controls
IN WORD wNotifyMsg
Notification message sent by the button
IN HWND hWndControl
Window handle of the control sending the message
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
BOOL bMode;
PPDHI_BROWSE_DIALOG_DATA pData;
HWND hWndMachineCombo;
UNREFERENCED_PARAMETER (hWndControl);
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLongPtrW(hDlg, DWLP_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
switch (wNotifyMsg) {
case BN_CLICKED:
// select the current display and processing mode based
// on the button that his currently checked.
bMode = !(BOOL)IsDlgButtonChecked(hDlg, IDC_USE_LOCAL_MACHINE);
EnableWindow(GetDlgItem(hDlg, IDC_MACHINE_COMBO), bMode);
if (!bMode) {
hWndMachineCombo = GetDlgItem(hDlg, IDC_MACHINE_COMBO);
// then this is a Local machine query so
// make sure the machine name is set to the local machine
SetWindowTextW (hWndMachineCombo, szStaticLocalMachineName);
PdhiBrowseCtrDlg_MACHINE_COMBO (hDlg, CBN_KILLFOCUS, hWndMachineCombo);
}
pData->bIncludeMachineInPath = bMode;
return TRUE;
default:
return FALSE;
}
}
STATIC_BOOL
PdhiBrowseCtrDlg_OBJECT_COMBO (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
)
/*++
Routine Description:
Processes the windows messags sent by the Object selection combo box.
Arguments:
IN HWND hDlg
Window Handle to the dialog box containing the control
IN WORD wNotifyMsg
Notification message sent by the control
IN HWND hWndControl
Window handle of the control sending the message
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
UNREFERENCED_PARAMETER (hWndControl);
switch (wNotifyMsg) {
case CBN_SELCHANGE:
PdhiLoadCountersAndInstances (hDlg);
SendMessageW (hDlg, WM_COMMAND,
MAKEWPARAM(IDC_COUNTER_LIST, LBN_SELCHANGE),
(LPARAM)GetDlgItem(hDlg, IDC_COUNTER_LIST));
return TRUE;
default:
return FALSE;
}
}
STATIC_BOOL
PdhiBrowseCtrDlg_COUNTER_LIST (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
)
/*++
Routine Description:
Processes the windows messags sent by the Object selection combo box.
Arguments:
IN HWND hDlg
Window Handle to the dialog box containing the control
IN WORD wNotifyMsg
Notification message sent by the control
IN HWND hWndControl
Window handle of the control sending the message
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
WCHAR szMachineName[MAX_PATH];
WCHAR szObjectName[MAX_PATH];
WCHAR szCounterName[MAX_PATH];
WCHAR szDisplayString[MAX_PATH*2];
LPWSTR szExplainText = NULL;
BOOL bFreeExplain = FALSE;
LONG lIndex;
UNREFERENCED_PARAMETER (hWndControl);
switch (wNotifyMsg) {
case LBN_SELCHANGE:
if (hExplainDlg != NULL) {
// get machine name
GetDlgItemTextW (hDlg, IDC_MACHINE_COMBO,
szMachineName, MAX_PATH);
// get object name
GetDlgItemTextW (hDlg, IDC_OBJECT_COMBO,
szObjectName, MAX_PATH);
// get counter name
// depending on list box type
lIndex = (LONG)SendDlgItemMessageW (hDlg, IDC_COUNTER_LIST,
LB_GETCARETINDEX, 0, 0);
if (lIndex != LB_ERR) {
lIndex = (LONG)SendDlgItemMessageW (hDlg, IDC_COUNTER_LIST,
LB_GETTEXT, (WPARAM)lIndex, (LPARAM)&szCounterName[0]);
// get help string
if (dwPdhiLocalDefaultDataSource == DATA_SOURCE_WBEM) {
PDH_STATUS Status = PDH_MORE_DATA;
DWORD dwExplain = 0;
szExplainText = NULL;
while (Status == PDH_MORE_DATA) {
dwExplain += MAX_PATH;
if (szExplainText != NULL) {
G_FREE(szExplainText);
}
szExplainText = G_ALLOC(dwExplain * sizeof(WCHAR));
if (szExplainText == NULL) {
bFreeExplain = FALSE;
Status = PDH_MEMORY_ALLOCATION_FAILURE;
}
else {
bFreeExplain = TRUE;
Status = PdhiGetWbemExplainText(
szMachineName,
szObjectName,
szCounterName,
szExplainText,
& dwExplain);
}
}
if (Status != ERROR_SUCCESS) {
if (bFreeExplain) {
bFreeExplain = FALSE;
G_FREE(szExplainText);
}
szExplainText = NULL;
}
}
else {
szExplainText = PdhiGetExplainText(
szMachineName, szObjectName, szCounterName);
}
lstrcpyW(szDisplayString, szMachineName);
lstrcatW(szDisplayString, cszBackSlash);
lstrcatW(szDisplayString, szObjectName);
lstrcatW(szDisplayString, cszBackSlash);
lstrcatW(szDisplayString, szCounterName);
} else {
szExplainText = NULL;
szDisplayString[0] = 0;
}
// send to explain dialog
SendMessageW (hExplainDlg, EDM_UPDATE_EXPLAIN_TEXT,
0, (LPARAM)szExplainText);
SendMessageW (hExplainDlg, EDM_UPDATE_TITLE_TEXT,
0, (LPARAM)szDisplayString);
}
if (bFreeExplain && szExplainText != NULL) {
G_FREE(szExplainText);
}
return TRUE;
default:
return FALSE;
}
}
STATIC_BOOL
PdhiBrowseCtrDlg_OBJECT_LIST (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
)
/*++
Routine Description:
Processes the windows messags sent by the Object selection combo box.
Arguments:
IN HWND hDlg
Window Handle to the dialog box containing the control
IN WORD wNotifyMsg
Notification message sent by the control
IN HWND hWndControl
Window handle of the control sending the message
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
WCHAR szMachineName[MAX_PATH];
WCHAR szObjectName[MAX_PATH];
WCHAR szDisplayString[MAX_PATH*2];
LPWSTR szExplainText = NULL;
BOOL bFreeExplain = FALSE;
LONG lIndex;
UNREFERENCED_PARAMETER (hWndControl);
switch (wNotifyMsg) {
case LBN_SELCHANGE:
if (hExplainDlg != NULL) {
// get machine name
GetDlgItemTextW (hDlg, IDC_MACHINE_COMBO,
szMachineName, MAX_PATH);
// get object name depending on list box type
lIndex = (LONG)SendDlgItemMessageW (hDlg, IDC_OBJECT_LIST,
LB_GETCARETINDEX, 0, 0);
if (lIndex != LB_ERR) {
lIndex = (LONG)SendDlgItemMessageW (hDlg, IDC_OBJECT_LIST,
LB_GETTEXT, (WPARAM)lIndex, (LPARAM)&szObjectName[0]);
// get help string
if (dwPdhiLocalDefaultDataSource == DATA_SOURCE_WBEM) {
PDH_STATUS Status = PDH_MORE_DATA;
DWORD dwExplain = 0;
szExplainText = NULL;
while (Status == PDH_MORE_DATA) {
dwExplain += MAX_PATH;
if (szExplainText != NULL) {
G_FREE(szExplainText);
}
szExplainText = G_ALLOC(dwExplain * sizeof(WCHAR));
if (szExplainText == NULL) {
bFreeExplain = FALSE;
Status = PDH_MEMORY_ALLOCATION_FAILURE;
}
else {
bFreeExplain = TRUE;
Status = PdhiGetWbemExplainText(
szMachineName,
szObjectName,
NULL,
szExplainText,
& dwExplain);
}
}
if (Status != ERROR_SUCCESS) {
if (bFreeExplain) {
bFreeExplain = FALSE;
G_FREE(szExplainText);
}
szExplainText = NULL;
}
}
else {
szExplainText = PdhiGetExplainText(
szMachineName, szObjectName, NULL);
}
lstrcpyW(szDisplayString, szMachineName);
lstrcatW(szDisplayString, cszBackSlash);
lstrcatW(szDisplayString, szObjectName);
} else {
szExplainText = NULL;
szDisplayString[0] = 0;
}
// send to explain dialog
SendMessageW (hExplainDlg, EDM_UPDATE_EXPLAIN_TEXT,
0, (LPARAM)szExplainText);
SendMessageW (hExplainDlg, EDM_UPDATE_TITLE_TEXT,
0, (LPARAM)szDisplayString);
}
if (bFreeExplain && szExplainText != NULL) {
G_FREE(szExplainText);
}
return TRUE;
default:
return FALSE;
}
}
STATIC_BOOL
PdhiBrowseCtrDlg_DETAIL_COMBO (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
)
/*++
Routine Description:
Processes the windows messags sent by the Detail Level Combo box.
Arguments:
IN HWND hDlg
Window Handle to the dialog box containing the control
IN WORD wNotifyMsg
Notification message sent by the control
IN HWND hWndControl
Window handle of the control sending the message
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
DWORD dwCurSel;
PPDHI_BROWSE_DIALOG_DATA pData;
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLongPtrW(hDlg, DWLP_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
switch (wNotifyMsg) {
case CBN_SELCHANGE:
dwCurSel = (DWORD)SendMessageW (hWndControl, CB_GETCURSEL, 0, 0);
if (dwCurSel != CB_ERR) {
pData->dwCurrentDetailLevel = (DWORD)SendMessageW (hWndControl,
CB_GETITEMDATA, (WPARAM)dwCurSel, 0);
// update all the windows to show the new level
PdhiLoadMachineObjects (hDlg, FALSE);
PdhiLoadCountersAndInstances (hDlg);
// display explain text if necessary
SendMessageW (hDlg, WM_COMMAND,
MAKEWPARAM(IDC_COUNTER_LIST, LBN_SELCHANGE),
(LPARAM)GetDlgItem(hDlg, IDC_COUNTER_LIST));
}
return TRUE;
default:
return FALSE;
}
}
STATIC_BOOL
PdhiBrowseCtrDlg_INSTANCE_BUTTON (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
)
/*++
Routine Description:
Processes the windows messags sent by the Instance configuration
selection buttons
Arguments:
IN HWND hDlg
Window Handle to the dialog box containing the control
IN WORD wNotifyMsg
Notification message sent by the control
IN HWND hWndControl
Window handle of the control sending the message
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
BOOL bMode;
HWND hWndInstanceList;
PPDHI_BROWSE_DIALOG_DATA pData;
UNREFERENCED_PARAMETER (hWndControl);
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLongPtrW(hDlg, DWLP_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
switch (wNotifyMsg) {
case BN_CLICKED:
bMode = (BOOL)IsDlgButtonChecked(hDlg, IDC_ALL_INSTANCES);
hWndInstanceList = GetDlgItem(hDlg, IDC_INSTANCE_LIST);
// if "Select ALL" then clear list box selections and disable
// the list box
if (bMode) {
SendMessageW (hWndInstanceList, LB_SETSEL, FALSE, (LPARAM)-1);
} else {
LRESULT dwCountInstance =
SendMessage(hWndInstanceList, LB_GETCOUNT, 0, 0);
LRESULT dwThisInstance = 0;
BOOL bSelection = FALSE;
for (dwThisInstance = 0;
! bSelection && dwThisInstance < dwCountInstance;
dwThisInstance ++) {
bSelection = (BOOL) SendMessage(hWndInstanceList,
LB_GETSEL,
(WPARAM) dwThisInstance,
0);
}
if (! bSelection) {
SendMessageW (hWndInstanceList, LB_SETSEL, TRUE, (LPARAM)0);
}
}
EnableWindow(hWndInstanceList, !bMode);
pData->bSelectAllInstances = bMode;
return TRUE;
default:
return FALSE;
}
}
STATIC_BOOL
PdhiBrowseCtrDlg_COUNTER_BUTTON (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
)
/*++
Routine Description:
Processes the windows messags sent by the Instance configuration
selection buttons
Arguments:
IN HWND hDlg
Window Handle to the dialog box containing the control
IN WORD wNotifyMsg
Notification message sent by the control
IN HWND hWndControl
Window handle of the control sending the message
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
BOOL bMode;
HWND hWndCounterList;
PPDHI_BROWSE_DIALOG_DATA pData;
UNREFERENCED_PARAMETER (hWndControl);
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLongPtrW(hDlg, DWLP_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
switch (wNotifyMsg) {
case BN_CLICKED:
bMode = (BOOL)IsDlgButtonChecked(hDlg, IDC_ALL_COUNTERS);
hWndCounterList = GetDlgItem(hDlg, IDC_COUNTER_LIST);
// if "Select ALL" then clear list box selections and disable
// the list box
if (bMode) {
SendMessageW (hWndCounterList, LB_SETSEL, FALSE, (LPARAM)-1);
} else {
LRESULT dwCountCounter =
SendMessage(hWndCounterList, LB_GETCOUNT, 0, 0);
LRESULT dwThisCounter = 0;
BOOL bSelection = FALSE;
for (dwThisCounter = 0;
! bSelection && dwThisCounter < dwCountCounter;
dwThisCounter ++) {
bSelection = (BOOL) SendMessage(hWndCounterList,
LB_GETSEL,
(WPARAM) dwThisCounter,
0);
}
if (! bSelection) {
PDH_STATUS pdhStatus = ERROR_SUCCESS;
DWORD dwCounterName = MAX_PATH;
DWORD dwCounterIndex = 0;
WCHAR szMachineName[MAX_PATH + 1];
WCHAR szObjectName[MAX_PATH + 1];
WCHAR szCounterName[MAX_PATH + 1];
GetDlgItemTextW(hDlg,
IDC_MACHINE_COMBO,
szMachineName
, MAX_PATH);
GetDlgItemTextW(hDlg,
IDC_OBJECT_COMBO,
szObjectName,
MAX_PATH);
pdhStatus = PdhGetDefaultPerfCounterHW (
pData->pDlgData->hDataSource,
szMachineName,
szObjectName,
szCounterName,
& dwCounterName);
if (pdhStatus == ERROR_SUCCESS) {
dwCounterIndex = (DWORD) SendMessageW(
hWndCounterList,
LB_FINDSTRINGEXACT,
(WPARAM) -1,
(LPARAM) szCounterName);
if (dwCounterIndex == LB_ERR) {
dwCounterIndex = 0;
}
}
SendMessageW(hWndCounterList,
LB_SETSEL,
TRUE,
(LPARAM) dwCounterIndex);
}
}
EnableWindow(hWndCounterList, !bMode);
pData->bSelectAllCounters = bMode;
return TRUE;
default:
return FALSE;
}
}
#pragma warning ( disable : 4127 )
STATIC_BOOL
PdhiBrowseCtrDlg_OK (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
)
/*++
Routine Description:
Processes the currently selected counter and instance strings to
build a list of selected paths strings in the user's supplied
buffer. This buffer will either be processed by a call back
string or the dialog box will be terminated allowing the
calling function to continue processing the returned strings.
Arguments:
IN HWND hDlg
Window Handle to the dialog box containing the button controls
IN WORD wNotifyMsg
Notification message sent by the button
IN HWND hWndControl
Window handle of the control sending the message
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
HCURSOR hOldCursor;
CounterPathCallBack pCallBack;
DWORD_PTR dwArg;
PDH_STATUS pdhStatus;
PPDHI_BROWSE_DIALOG_DATA pData;
PPDHI_BROWSE_DLG_INFO pDlgData;
HWND hWndFocus;
HWND hWndMachine;
UNREFERENCED_PARAMETER (hWndControl);
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLongPtrW(hDlg, DWLP_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
pDlgData = pData->pDlgData;
hWndFocus = GetFocus();
hWndMachine = GetDlgItem (hDlg, IDC_MACHINE_COMBO);
if (hWndFocus == hWndMachine) {
//special case to make sure the dialog has the current machine data
PdhiBrowseCtrDlg_MACHINE_COMBO (hDlg, CBN_KILLFOCUS, hWndMachine);
SetFocus (hWndControl);
}
switch (wNotifyMsg) {
case BN_CLICKED:
// display wait cursor while this is being processed
hOldCursor = SetCursor (LoadCursor (NULL, IDC_WAIT));
while (TRUE) {
if (pData->bShowObjects) {
// then return object spec(s) using selected perf objects
if (pDlgData->pWideStruct != NULL) {
// use wide character function
pdhStatus = PdhiCompileSelectedObjectsW (hDlg,
pDlgData->pWideStruct->szReturnPathBuffer,
pDlgData->pWideStruct->cchReturnPathLength);
pCallBack = pDlgData->pWideStruct->pCallBack;
dwArg = pDlgData->pWideStruct->dwCallBackArg;
pDlgData->pWideStruct->CallBackStatus = pdhStatus;
} else if (pDlgData->pAnsiStruct != NULL) {
// use ansi char functions
pdhStatus = PdhiCompileSelectedObjectsA (hDlg,
pDlgData->pAnsiStruct->szReturnPathBuffer,
pDlgData->pAnsiStruct->cchReturnPathLength);
pCallBack = pDlgData->pAnsiStruct->pCallBack;
dwArg = pDlgData->pAnsiStruct->dwCallBackArg;
pDlgData->pAnsiStruct->CallBackStatus = pdhStatus;
} else {
// do nothing
pCallBack = NULL;
dwArg = 0;
}
} else {
// return selected counters & instances
// process these string until it works. (note, this
// could cause an infinite loop if the callback
// function is not working correctly (i.e. always
// returning PDH_RETRY, for example)
if (pDlgData->pWideStruct != NULL) {
// use wide character function
pdhStatus = PdhiCompileSelectedCountersW (hDlg,
pDlgData->pWideStruct->szReturnPathBuffer,
pDlgData->pWideStruct->cchReturnPathLength);
pCallBack = pDlgData->pWideStruct->pCallBack;
dwArg = pDlgData->pWideStruct->dwCallBackArg;
pDlgData->pWideStruct->CallBackStatus = pdhStatus;
} else if (pDlgData->pAnsiStruct != NULL) {
// use ansi char functions
pdhStatus = PdhiCompileSelectedCountersA (hDlg,
pDlgData->pAnsiStruct->szReturnPathBuffer,
pDlgData->pAnsiStruct->cchReturnPathLength);
pCallBack = pDlgData->pAnsiStruct->pCallBack;
dwArg = pDlgData->pAnsiStruct->dwCallBackArg;
pDlgData->pAnsiStruct->CallBackStatus = pdhStatus;
} else {
// do nothing
pCallBack = NULL;
dwArg = 0;
}
}
if (pCallBack != NULL) {
pdhStatus = (*pCallBack)(dwArg);
} else {
pdhStatus = ERROR_SUCCESS;
}
// see if the callback wants to try again
if (pdhStatus != PDH_RETRY) {
break;
}
} // end while (retry loop)
// if the caller only wants to give the user ONE chance to
// add counters, then end the dialog now.
if (!pData->bAddMultipleCounters) {
EndDialog (hDlg, IDOK);
}
SetCursor (hOldCursor);
return TRUE;
default:
return FALSE;
}
}
#pragma warning ( default : 4127 )
STATIC_BOOL
PdhiBrowseCtrDlg_CANCEL (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
)
/*++
Routine Description:
Processes the windows messages that occur when the cancel button
is pressed.
Arguments:
IN HWND hDlg
Window Handle to the dialog box containing the button controls
IN WORD wNotifyMsg
Notification message sent by the button
IN HWND hWndControl
Window handle of the control sending the message
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
UNREFERENCED_PARAMETER (hWndControl);
switch (wNotifyMsg) {
case BN_CLICKED:
EndDialog (hDlg, IDCANCEL);
return TRUE;
default:
return FALSE;
}
}
STATIC_BOOL
PdhiBrowseCtrDlg_EXPLAIN_BTN (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
)
/*++
Routine Description:
Processes the windows message that occurs when the help button
is pressed. (This feature is not currently implemented)
Arguments:
IN HWND hDlg
Window Handle to the dialog box containing the button controls
IN WORD wNotifyMsg
Notification message sent by the button
IN HWND hWndControl
Window handle of the control sending the message
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
HWND hFocusWnd;
PPDHI_BROWSE_DIALOG_DATA pData =
(PPDHI_BROWSE_DIALOG_DATA) GetWindowLongPtrW(hDlg, DWLP_USER);
UNREFERENCED_PARAMETER (wNotifyMsg);
if (hExplainDlg == NULL) {
hFocusWnd = GetFocus();
// create a modeless dialog to display the explain text
hExplainDlg = CreateDialogW (
ThisDLLHandle,
MAKEINTRESOURCEW(IDD_EXPLAIN_DLG),
hDlg,
(DLGPROC)ExplainTextDlgProc);
SetFocus(hFocusWnd);
EnableWindow (hWndControl, FALSE);
}
if (pData->bShowObjects) {
SendMessageW(hDlg,
WM_COMMAND,
MAKEWPARAM(IDC_OBJECT_LIST, LBN_SELCHANGE),
(LPARAM) GetDlgItem(hDlg, IDC_OBJECT_LIST));
}
else {
SendMessageW(hDlg,
WM_COMMAND,
MAKEWPARAM(IDC_COUNTER_LIST, LBN_SELCHANGE),
(LPARAM) GetDlgItem(hDlg, IDC_COUNTER_LIST));
}
return TRUE;
}
STATIC_BOOL
PdhiBrowseCtrDlg_HELP_BTN (
IN HWND hDlg,
IN WORD wNotifyMsg,
IN HWND hWndControl
)
/*++
Routine Description:
Processes the windows message that occurs when the network button
is pressed. (This feature is not currently implemented)
Arguments:
IN HWND hDlg
Window Handle to the dialog box containing the button controls
IN WORD wNotifyMsg
Notification message sent by the button
IN HWND hWndControl
Window handle of the control sending the message
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
LPWSTR szMsg;
UNREFERENCED_PARAMETER (wNotifyMsg);
UNREFERENCED_PARAMETER (hWndControl);
szMsg = GetStringResource (IDS_ERR_NO_HELP);
if (szMsg != NULL) {
MessageBoxW (hDlg, szMsg, szMsg, MB_OK);
G_FREE (szMsg);
} else {
MessageBeep (MB_ICONEXCLAMATION);
}
return TRUE;
}
STATIC_BOOL
PdhiBrowseCtrDlg_WM_INITDIALOG (
IN HWND hDlg,
IN WPARAM wParam,
IN LPARAM lParam
)
/*++
Routine Description:
Processes the windows message that occurs just before the dialog
box is displayed for the first time.
Arguments:
IN HWND hDlg
Window Handle to the dialog box containing the button controls
IN WORD wParam
IN HWND lParam
Pointer to dialog box data block
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
PPDHI_BROWSE_DIALOG_DATA pData;
PPDHI_BROWSE_DLG_INFO pDlgData;
HCURSOR hOldCursor;
LPWSTR szMsg;
UNREFERENCED_PARAMETER (wParam);
// reset the last error value
SetLastError (ERROR_SUCCESS);
hOldCursor = SetCursor (LoadCursor (NULL, IDC_WAIT));
pData = (PPDHI_BROWSE_DIALOG_DATA)G_ALLOC(
sizeof(PDHI_BROWSE_DIALOG_DATA));
if (pData == NULL) {
SetLastError (PDH_MEMORY_ALLOCATION_FAILURE);
EndDialog (hDlg, IDCANCEL);
return TRUE;
}
// initialize local static variables
dwCounterListSize = COUNTER_LIST_SIZE;
dwInstanceListSize = INSTANCE_LIST_SIZE;
// save user data
pDlgData = (PPDHI_BROWSE_DLG_INFO) lParam;
pData->pDlgData = (PPDHI_BROWSE_DLG_INFO) lParam;
SetWindowLongPtrW (hDlg, DWLP_USER, (LONG_PTR)pData);
// load configuration flags from user data
if (pData->pDlgData->pWideStruct != NULL) {
// use wide structure
pData->bShowIndex =
(BOOL)pDlgData->pWideStruct->bIncludeInstanceIndex;
pData->bSelectMultipleCounters =
!(BOOL)pDlgData->pWideStruct->bSingleCounterPerAdd;
pData->bAddMultipleCounters =
!(BOOL)pDlgData->pWideStruct->bSingleCounterPerDialog;
pData->bLocalCountersOnly =
(BOOL)pDlgData->pWideStruct->bLocalCountersOnly;
pData->bIncludeMachineInPath = !pData->bLocalCountersOnly;
pData->bWildCardInstances =
(BOOL)pDlgData->pWideStruct->bWildCardInstances;
pData->bHideDetailLevel =
(BOOL)pDlgData->pWideStruct->bHideDetailBox;
if (pDlgData->pWideStruct->szDialogBoxCaption != NULL) {
SetWindowTextW (hDlg, pDlgData->pWideStruct->szDialogBoxCaption);
}
pData->dwCurrentDetailLevel =
pDlgData->pWideStruct->dwDefaultDetailLevel;
pData->bDisableMachineSelection =
(BOOL)pDlgData->pWideStruct->bDisableMachineSelection;
pData->bInitializePath =
(BOOL)pDlgData->pWideStruct->bInitializePath;
pData->bIncludeCostlyObjects =
(BOOL)pDlgData->pWideStruct->bIncludeCostlyObjects;
pData->bShowObjects =
(BOOL)pDlgData->pWideStruct->bShowObjectBrowser;
} else if (pData->pDlgData->pAnsiStruct != NULL) {
// use Ansi struct
pData->bShowIndex =
(BOOL)pDlgData->pAnsiStruct->bIncludeInstanceIndex;
pData->bSelectMultipleCounters =
!(BOOL)pDlgData->pAnsiStruct->bSingleCounterPerAdd;
pData->bAddMultipleCounters =
!(BOOL)pDlgData->pAnsiStruct->bSingleCounterPerDialog;
pData->bLocalCountersOnly =
(BOOL)pDlgData->pAnsiStruct->bLocalCountersOnly;
pData->bIncludeMachineInPath = !pData->bLocalCountersOnly;
pData->bWildCardInstances =
(BOOL)pDlgData->pAnsiStruct->bWildCardInstances;
pData->bHideDetailLevel =
(BOOL)pDlgData->pAnsiStruct->bHideDetailBox;
if (pDlgData->pAnsiStruct->szDialogBoxCaption != NULL) {
SetWindowTextA (hDlg, pDlgData->pAnsiStruct->szDialogBoxCaption);
}
pData->dwCurrentDetailLevel =
pDlgData->pAnsiStruct->dwDefaultDetailLevel;
pData->bDisableMachineSelection =
(BOOL)pDlgData->pAnsiStruct->bDisableMachineSelection;
pData->bInitializePath =
(BOOL)pDlgData->pAnsiStruct->bInitializePath;
pData->bIncludeCostlyObjects =
(BOOL)pDlgData->pAnsiStruct->bIncludeCostlyObjects;
pData->bShowObjects =
(BOOL)pDlgData->pAnsiStruct->bShowObjectBrowser;
} else {
// bad data so bail out
EndDialog (hDlg, IDCANCEL);
G_FREE(pData);
return TRUE;
}
// selecting objects implies multiple selections
if (pData->bShowObjects) {
pData->bSelectMultipleCounters = TRUE;
}
// limit text to machine name
SendDlgItemMessageW (hDlg, IDC_MACHINE_COMBO, EM_LIMITTEXT, MAX_PATH, 0);
// set check boxes to the caller defined setting
if (pData->bLocalCountersOnly) {
// then only the local counters button is selected and enabled
EnableWindow (GetDlgItem(hDlg, IDC_SELECT_MACHINE), FALSE);
}
CheckRadioButton (hDlg, IDC_USE_LOCAL_MACHINE, IDC_SELECT_MACHINE,
(pData->bIncludeMachineInPath ? IDC_SELECT_MACHINE : IDC_USE_LOCAL_MACHINE));
EnableWindow (GetDlgItem(hDlg, IDC_MACHINE_COMBO),
(pData->bIncludeMachineInPath ? TRUE : FALSE));
if (!pData->bShowObjects) {
// these controls aren't found in the Object browser
CheckRadioButton (hDlg, IDC_ALL_INSTANCES, IDC_USE_INSTANCE_LIST,
IDC_USE_INSTANCE_LIST);
pData->bSelectAllInstances = FALSE;
CheckRadioButton (hDlg, IDC_ALL_COUNTERS, IDC_USE_COUNTER_LIST,
IDC_USE_COUNTER_LIST);
pData->bSelectAllCounters = FALSE;
}
// set button text strings to reflect mode of dialog
if (pData->bAddMultipleCounters) {
szMsg = GetStringResource (IDS_BRWS_ADD);
if (szMsg != NULL) {
SetWindowTextW(GetDlgItem(hDlg, IDOK), (LPCWSTR)szMsg);
G_FREE (szMsg);
}
szMsg = GetStringResource (IDS_BRWS_CLOSE);
if (szMsg != NULL) {
SetWindowTextW(GetDlgItem(hDlg, IDCANCEL), (LPCWSTR)szMsg);
G_FREE (szMsg);
}
} else {
szMsg = GetStringResource (IDS_BRWS_OK);
if (szMsg != NULL) {
SetWindowTextW(GetDlgItem(hDlg, IDOK), (LPCWSTR)szMsg);
G_FREE (szMsg);
}
szMsg = GetStringResource (IDS_BRWS_CANCEL);
if (szMsg != NULL) {
SetWindowTextW(GetDlgItem(hDlg, IDCANCEL), (LPCWSTR)szMsg);
G_FREE (szMsg);
}
}
// see if the data source supports detail levels
if (!PdhiDataSourceHasDetailLevelsH (pData->pDlgData->hDataSource)) {
//then set detail to wizard and hide the combo box
pData->bHideDetailLevel = TRUE;
pData->dwCurrentDetailLevel = PERF_DETAIL_WIZARD;
}
// hide detail combo box if desired
if (pData->bHideDetailLevel) {
ShowWindow (GetDlgItem(hDlg, IDC_COUNTER_DETAIL_CAPTION), SW_HIDE);
ShowWindow (GetDlgItem(hDlg, IDC_COUNTER_DETAIL_COMBO), SW_HIDE);
// make sure this is a "legal" value
switch (pData->dwCurrentDetailLevel) {
case PERF_DETAIL_NOVICE:
case PERF_DETAIL_EXPERT:
case PERF_DETAIL_ADVANCED:
case PERF_DETAIL_WIZARD:
// these are OK
break;
default:
// default is to show all
pData->dwCurrentDetailLevel = PERF_DETAIL_WIZARD;
break;
}
} else {
// load the combo box entries
pData->dwCurrentDetailLevel = PdhiLoadDetailLevelCombo (
hDlg, pData->dwCurrentDetailLevel);
}
// connect to this machine
if (pData->pDlgData->hDataSource == H_REALTIME_DATASOURCE) {
PdhConnectMachineW(NULL); // Null is local machine
}
PdhiLoadKnownMachines(hDlg); // load machine list
PdhiLoadMachineObjects(hDlg, TRUE); // load object list
if (!pData->bShowObjects) {
// these controls don't exist in the object browser
PdhiLoadCountersAndInstances(hDlg);
}
if (pData->bShowObjects) {
// display explain text if necessary
SendMessageW (hDlg, WM_COMMAND,
MAKEWPARAM(IDC_OBJECT_LIST, LBN_SELCHANGE),
(LPARAM)GetDlgItem(hDlg, IDC_OBJECT_LIST));
} else {
// display explain text if necessary
SendMessageW (hDlg, WM_COMMAND,
MAKEWPARAM(IDC_COUNTER_LIST, LBN_SELCHANGE),
(LPARAM)GetDlgItem(hDlg, IDC_COUNTER_LIST));
}
if (pData->bInitializePath) {
PdhiSelectItemsInPath(hDlg);
}
// hide the machine selection buttons and disable the
// machine combo box if selected (after the connection has been
// made, of course)
if (pData->bDisableMachineSelection) {
ShowWindow (GetDlgItem(hDlg, IDC_USE_LOCAL_MACHINE), SW_HIDE);
ShowWindow (GetDlgItem(hDlg, IDC_SELECT_MACHINE), SW_HIDE);
EnableWindow (GetDlgItem(hDlg, IDC_MACHINE_COMBO), FALSE);
ShowWindow (GetDlgItem(hDlg, IDC_MACHINE_CAPTION), SW_SHOW);
} else {
EnableWindow (GetDlgItem(hDlg, IDC_MACHINE_COMBO), TRUE);
ShowWindow (GetDlgItem(hDlg, IDC_MACHINE_CAPTION), SW_HIDE);
}
pData->wpLastMachineSel = 0;
hExplainDlg = NULL;
SetCursor (hOldCursor);
return TRUE; // return TRUE unless you set the focus to a control
}
STATIC_BOOL
PdhiBrowseCtrDlg_WM_COMPAREITEM (
IN HWND hDlg,
IN WPARAM wParam,
IN LPARAM lParam
)
/*++
Routine Description:
Processes the windows message that are generated when a combo
box is searched
Arguments:
IN HWND hDlg
Window handle to the dialog box window
IN WPARAM wParam
HIWORD is the notification message ID
LOWORD is the control ID of the control issuing the command
IN LPARAM lParam
the pointer to a compare item structure
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
LPCOMPAREITEMSTRUCT pCIS = (LPCOMPAREITEMSTRUCT) lParam;
LPWSTR szString1;
LPWSTR szString2;
int nResult;
UNREFERENCED_PARAMETER (hDlg);
if (wParam == IDC_MACHINE_COMBO) {
// then process this
szString1 = (LPWSTR)pCIS->itemData1;
szString2 = (LPWSTR)pCIS->itemData2;
if ((szString1 != NULL) && (szString2 != NULL)) {
nResult = lstrcmpiW (szString1, szString2);
} else {
nResult = 0;
}
if (nResult < 0) {
// string 1 < string 2
return (BOOL)-1;
} else if (nResult > 0) {
// string 1 > string 2
return (BOOL)1;
} else {
// nResult must == 0
// string 1 == string 2
return (BOOL)0;
}
} else {
// who knows?
return (BOOL) 0;
}
}
STATIC_BOOL
PdhiBrowseCtrDlg_WM_COMMAND (
IN HWND hDlg,
IN WPARAM wParam,
IN LPARAM lParam
)
/*++
Routine Description:
Processes the windows message that occurs when the user interacts
with the dialog box
Arguments:
IN HWND hDlg
Window handle to the dialog box window
IN WPARAM wParam
HIWORD is the notification message ID
LOWORD is the control ID of the control issuing the command
IN LPARAM lParam
The window handle of the controle issuing the message
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
WORD wNotifyMsg;
wNotifyMsg = HIWORD(wParam);
switch (LOWORD(wParam)) { // select on the control ID
case IDC_USE_LOCAL_MACHINE:
case IDC_SELECT_MACHINE:
return PdhiBrowseCtrDlg_MACHINE_BUTTON (hDlg, wNotifyMsg, (HWND)lParam);
case IDC_MACHINE_COMBO:
return PdhiBrowseCtrDlg_MACHINE_COMBO (hDlg, wNotifyMsg, (HWND)lParam);
case IDC_OBJECT_COMBO:
return PdhiBrowseCtrDlg_OBJECT_COMBO (hDlg, wNotifyMsg, (HWND)lParam);
case IDC_ALL_INSTANCES:
case IDC_USE_INSTANCE_LIST:
return PdhiBrowseCtrDlg_INSTANCE_BUTTON (hDlg, wNotifyMsg, (HWND)lParam);
case IDC_ALL_COUNTERS:
case IDC_USE_COUNTER_LIST:
return PdhiBrowseCtrDlg_COUNTER_BUTTON (hDlg, wNotifyMsg, (HWND)lParam);
case IDC_COUNTER_LIST:
return PdhiBrowseCtrDlg_COUNTER_LIST (hDlg, wNotifyMsg, (HWND)lParam);
case IDC_OBJECT_LIST:
return PdhiBrowseCtrDlg_OBJECT_LIST (hDlg, wNotifyMsg, (HWND)lParam);
case IDC_COUNTER_DETAIL_COMBO:
return PdhiBrowseCtrDlg_DETAIL_COMBO (hDlg, wNotifyMsg, (HWND)lParam);
case IDOK:
return PdhiBrowseCtrDlg_OK (hDlg, wNotifyMsg, (HWND)lParam);
case IDCANCEL:
return PdhiBrowseCtrDlg_CANCEL (hDlg, wNotifyMsg, (HWND)lParam);
case IDC_EXPLAIN_BTN:
return PdhiBrowseCtrDlg_EXPLAIN_BTN (hDlg, wNotifyMsg, (HWND)lParam);
case IDC_HELP_BTN:
return PdhiBrowseCtrDlg_HELP_BTN (hDlg, wNotifyMsg, (HWND)lParam);
default:
return FALSE;
}
}
STATIC_BOOL
PdhiBrowseCtrDlg_WM_SYSCOMMAND (
IN HWND hDlg,
IN WPARAM wParam,
IN LPARAM lParam
)
/*++
Routine Description:
Processes the windows message that occurs when the user selects an
item from the system menu
Arguments:
IN HWND hDlg
Window Handle to the dialog box containing the button controls
IN WPARAM wParam
menu ID of item selected
IN LPARAM lParam
Not Used
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
UNREFERENCED_PARAMETER(lParam);
switch (wParam) {
case SC_CLOSE:
EndDialog (hDlg, IDOK);
return TRUE;
default:
return FALSE;
}
}
STATIC_BOOL
PdhiBrowseCtrDlg_WM_CLOSE (
IN HWND hDlg,
IN WPARAM wParam,
IN LPARAM lParam
)
/*++
Routine Description:
Processes the windows message that occurs when the dialog box
is closed. No processing is needed so this function merely returns.
Arguments:
IN HWND hDlg
Window Handle to the dialog box containing the button controls
IN WPARAM wParam
Not Used
IN LPARAM lParam
Not Used
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
UNREFERENCED_PARAMETER (lParam);
UNREFERENCED_PARAMETER (wParam);
UNREFERENCED_PARAMETER (hDlg);
return TRUE;
}
STATIC_BOOL
PdhiBrowseCtrDlg_WM_DESTROY (
IN HWND hDlg,
IN WPARAM wParam,
IN LPARAM lParam
)
/*++
Routine Description:
Processes the windows message that occurs just before the window
is destroyed. Any memory allocations made are now freed.
Arguments:
IN HWND hDlg
Window Handle to the dialog box containing the button controls
IN WPARAM wParam
Not Used
IN LPARAM lParam
Not Used
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
PPDHI_BROWSE_DIALOG_DATA pData;
UNREFERENCED_PARAMETER (lParam);
UNREFERENCED_PARAMETER (wParam);
pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLongPtrW(hDlg, DWLP_USER);
if (pData == NULL) {
#if PDHI_REPORT_CODE_ERRORS
REPORT_EVENT (EVENTLOG_ERROR_TYPE, PDH_EVENT_CATEGORY_DEBUG, PDH_NO_DIALOG_DATA);
#endif
return FALSE;
}
G_FREE (pData); // free memory block
return TRUE;
}
INT_PTR
CALLBACK
BrowseCounterDlgProc (
IN HWND hDlg,
IN UINT message,
IN WPARAM wParam,
IN LPARAM lParam
)
/*++
Routine Description:
Processes all windows messages that are sent to the dialog box window.
This function is the main dispatching function for the processing
of these messages.
Arguments:
IN HWND hDlg
Window Handle to the dialog box containing the button controls
IN WPARAM wParam
Not Used
IN LPARAM lParam
Not Used
Return Value:
TRUE if this function handles the message
FALSE if this function did not process the message and the Default
message handler for this function should handle the message
--*/
{
INT iCtrlID;
BOOL bReturn = FALSE;
iCtrlID = GetDlgCtrlID ( (HWND) wParam );
switch (message) {
case WM_INITDIALOG:
return PdhiBrowseCtrDlg_WM_INITDIALOG (hDlg, wParam, lParam);
case WM_COMMAND:
return PdhiBrowseCtrDlg_WM_COMMAND (hDlg, wParam, lParam);
case WM_SYSCOMMAND:
return PdhiBrowseCtrDlg_WM_SYSCOMMAND (hDlg, wParam, lParam);
case WM_CLOSE:
return PdhiBrowseCtrDlg_WM_CLOSE (hDlg, wParam, lParam);
case WM_DESTROY:
return PdhiBrowseCtrDlg_WM_DESTROY (hDlg, wParam, lParam);
case WM_COMPAREITEM:
return PdhiBrowseCtrDlg_WM_COMPAREITEM (hDlg, wParam, lParam);
case EDM_EXPLAIN_DLG_CLOSING:
hExplainDlg = NULL;
EnableWindow (GetDlgItem(hDlg, IDC_EXPLAIN_BTN), TRUE);
return TRUE;
case WM_CONTEXTMENU:
if ( 0 != iCtrlID ) {
TCHAR pszHelpFilePath[MAX_PATH * 2];
UINT nLen;
nLen = GetWindowsDirectory(pszHelpFilePath, 2*MAX_PATH);
lstrcpy(& pszHelpFilePath[nLen], _T("\\help\\sysmon.hlp"));
bReturn = WinHelp(
(HWND) wParam,
pszHelpFilePath,
HELP_CONTEXTMENU,
(DWORD_PTR) PdhiBrowseraulControlIdToHelpIdMap);
}
return bReturn;
case WM_HELP:
{
// Only display help for known context IDs.
TCHAR pszHelpFilePath[MAX_PATH * 2];
UINT nLen;
LPHELPINFO pInfo = NULL;
pInfo = (LPHELPINFO)lParam;
for (nLen = 0;
PdhiBrowseraulControlIdToHelpIdMap[nLen] != 0;
nLen +=2) {
if ( (INT) PdhiBrowseraulControlIdToHelpIdMap[nLen]
== pInfo->iCtrlId) {
break;
}
}
if (PdhiBrowseraulControlIdToHelpIdMap[nLen] != 0) {
nLen = GetWindowsDirectory(pszHelpFilePath, 2*MAX_PATH);
if ( nLen == 0 ) {
// Report error.
}
lstrcpy(&pszHelpFilePath[nLen], _T("\\help\\sysmon.hlp") );
if (pInfo->iContextType == HELPINFO_WINDOW){
bReturn = WinHelp (
pInfo->hItemHandle,
pszHelpFilePath,
HELP_WM_HELP,
(DWORD_PTR) PdhiBrowseraulControlIdToHelpIdMap);
}
}
else {
bReturn = FALSE;
}
return bReturn;
}
default:
return FALSE;
}
}