/*++ Copyright (C) 1996 Microsoft Corporation Module Name: browsdlg.c Abstract: counter name browsing dialog box functions Revision History Bob Watson (a-robw) Oct-95 Created --*/ #include #include #include #include #include #include #include "pdhidef.h" #include "pdhdlgs.h" #include "pdh.h" #include "browsdlg.h" // // 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 // static data // strings to load into combo box to select counter filtering level static PDHI_DETAIL_INFO DetailInfo[] = { {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} }; // // Function references // static BOOL LoadMachineObjects ( IN HWND hDlg, IN BOOL bRefresh ); static BOOL LoadCountersAndInstances ( IN HWND hDlg ); static BOOL BrowseCtrDlg_MACHINE_BUTTON ( IN HWND hDlg, IN WORD wNotifyMsg, IN HWND hWndControl ); static BOOL LoadNewMachine ( 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; // acquire the data block associated with this dialog instance pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_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); // try to connect to specified machine status = PdhConnectMachineW (szNewMachineName); if (status == ERROR_SUCCESS) { // if successful, add string to combo box lMatchIndex = SendMessageW (hWndMachineCombo, CB_ADDSTRING, 0, (LPARAM)szNewMachineName); SendMessageW (hWndMachineCombo, CB_SETCURSEL, (WPARAM)lMatchIndex, 0); // update other controls in this dialog LoadMachineObjects (hDlg, FALSE); // no need to update since it was just connected LoadCountersAndInstances (hDlg); bReturn = TRUE; } else { mbStatus = MessageBoxW (hDlg, cszUnableConnect, NULL, MB_ICONEXCLAMATION | MB_TASKMODAL | MB_OKCANCEL); if (mbStatus == IDCANCEL) { SetFocus(GetDlgItem(hDlg, IDC_MACHINE_COMBO)); } else { SendMessageW (hWndMachineCombo, CB_SETCURSEL, pData->wpLastMachineSel, 0); } bReturn = FALSE; } return bReturn; } static BOOL SelectItemsInPath ( 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)GetWindowLong(hDlg, DWL_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( GPTR, 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_FINDSTRING, (WPARAM)-1, (LPARAM)pCounterPathElementsW->szMachineName); if (lIndex == CB_ERR) { // try adding the machine if (!LoadNewMachine (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 LoadMachineObjects (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 LoadCountersAndInstances (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); } 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( GPTR, 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_FINDSTRING, (WPARAM)-1, (LPARAM)pCounterPathElementsA->szMachineName); if (lIndex == CB_ERR) { // try adding the machine // convert ansi buffer to wide char first mbstowcs (wszMachineName, pCounterPathElementsA->szMachineName, MAX_PATH); if (!LoadNewMachine (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 LoadMachineObjects (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 LoadCountersAndInstances (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); } 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 LoadDetailLevelCombo ( IN HWND hDlg, IN DWORD dwInitialLevel ) /*++ Routine Description: Loads the Detail Level Combo box with the strings and ID's defined by the DetailInfo 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; DetailInfo[dwIndex].dwLevelValue > 0; dwIndex++) { // load the string resource for this string dwStringLength = LoadStringW (ThisDLLHandle, DetailInfo[dwIndex].dwStringResourceId, szTempBuffer, MAX_PATH); if (dwStringLength == 0) { // unable to read the string in, so // substitute the value for the string _ltow (DetailInfo[dwIndex].dwLevelValue, szTempBuffer, 10); } // load the strings into the combo box in the same order they // were described in the array above dwThisCbIndex = 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 SendMessage (hWndCombo, CB_SETITEMDATA, (WPARAM)dwThisCbIndex, (LPARAM)DetailInfo[dwIndex].dwLevelValue); // save default selection if it matches. if (DetailInfo[dwIndex].dwLevelValue <= dwInitialLevel) { dwDefaultIndex = dwThisCbIndex; dwSelectedLevel = DetailInfo[dwIndex].dwLevelValue; } } } // select desired default entry SendMessage (hWndCombo, CB_SETCURSEL, (WPARAM)dwDefaultIndex, 0); return dwSelectedLevel; } static BOOL LoadKnownMachines ( 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)GetWindowLong(hDlg, DWL_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 = PdhEnumMachinesW ( NULL, &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); BrowseCtrDlg_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 LoadMachineObjects ( 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]; WCHAR mszObjectList[OBJECT_LIST_SIZE]; // regular stack variables DWORD dwLength; LPWSTR szThisObject; HCURSOR hOldCursor; HWND hObjectListWnd; PPDHI_BROWSE_DIALOG_DATA pData; PDH_STATUS pdhStatus; DWORD dwReturn; // get the pointer to the dialog's user data pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_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; } // clear the object list string memset (&mszObjectList, 0, OBJECT_LIST_SIZE * sizeof(WCHAR)); // save old cursor and display wait cursor hOldCursor = SetCursor (LoadCursor (NULL, IDC_WAIT)); // get window handle to control hObjectListWnd = GetDlgItem (hDlg, IDC_OBJECT_COMBO); // 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); } // first clear out any old contents SendMessageW (hObjectListWnd, CB_RESETCONTENT, 0, 0); // get object list from the PDH dwLength = OBJECT_LIST_SIZE; pdhStatus = PdhEnumObjectsW ( NULL, szMachineName, mszObjectList, &dwLength, pData->dwCurrentDetailLevel, bRefresh); if (pdhStatus == ERROR_SUCCESS) { // load object list to the list (combo) box for (szThisObject = &mszObjectList[0]; *szThisObject != 0; szThisObject += lstrlenW(szThisObject) + 1) { // add each string... SendMessageW (hObjectListWnd, CB_ADDSTRING, 0, (LPARAM)szThisObject); } // get default Object dwLength = MAX_PATH; pdhStatus = PdhGetDefaultPerfObjectW ( NULL, szMachineName, szDefaultObject, &dwLength); if (pdhStatus == ERROR_SUCCESS) { // and select it if it's present (which it should be) dwReturn = 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 SendMessageW (hObjectListWnd, CB_ADDSTRING, 0, (LPARAM)cszNoObject); EnableWindow (hObjectListWnd, FALSE); } // restore cursor SetCursor (hOldCursor); // return status return TRUE; } static BOOL LoadCountersAndInstances ( 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 mszCounterList[COUNTER_LIST_SIZE]; WCHAR mszInstanceList[INSTANCE_LIST_SIZE]; WCHAR szInstanceString[MAX_PATH]; // regulare Stack variables LPWSTR szIndexStringPos; DWORD dwCounterLen; DWORD dwDefaultIndex; DWORD dwCounterListLength; DWORD dwInstanceListLength; DWORD dwInstanceMatch; DWORD dwInstanceIndex; LPWSTR szThisItem; HWND hWndCounterListBox; HWND hWndInstanceListBox; HCURSOR hOldCursor; PPDHI_BROWSE_DIALOG_DATA pData; PDH_STATUS pdhStatus; // get the pointer to the dialog's user data pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_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; } // 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 dwCounterListLength = COUNTER_LIST_SIZE; dwInstanceListLength = INSTANCE_LIST_SIZE; pdhStatus = PdhEnumObjectItemsW ( NULL, szMachineName, szObjectName, mszCounterList, &dwCounterListLength, mszInstanceList, &dwInstanceListLength, pData->dwCurrentDetailLevel, 0); hWndCounterListBox = GetDlgItem (hDlg, IDC_COUNTER_LIST); hWndInstanceListBox = GetDlgItem (hDlg, IDC_INSTANCE_LIST); if (pdhStatus == ERROR_SUCCESS) { //reset contents of both list boxes SendMessageW (hWndCounterListBox, LB_RESETCONTENT, 0, 0); SendMessageW (hWndInstanceListBox, LB_RESETCONTENT, 0, 0); // now fill 'em up // start with the counters for (szThisItem = mszCounterList; *szThisItem != 0; szThisItem += lstrlenW(szThisItem) + 1) { SendMessageW (hWndCounterListBox, LB_ADDSTRING, 0, (LPARAM)szThisItem); } dwCounterLen = MAX_PATH; pdhStatus = PdhGetDefaultPerfCounterW ( NULL, szMachineName, szObjectName, szDefaultCounter, &dwCounterLen); if (pdhStatus != ERROR_SUCCESS) { dwDefaultIndex = 0; } else { dwDefaultIndex = 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_ALL_INSTANCES), TRUE); EnableWindow (GetDlgItem (hDlg, IDC_USE_INSTANCE_LIST), TRUE); // load instance entries 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 0, 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. // dwInstanceIndex = 0; 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. SendMessageW (hWndInstanceListBox, LB_ADDSTRING, 0, (LPARAM)szInstanceString); } else { // index values are not required so just add the string // to the list box SendMessageW (hWndInstanceListBox, LB_ADDSTRING, 0, (LPARAM)szThisItem); } } // 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 (SendMessageW (hWndInstanceListBox, LB_GETCOUNT, 0, 0) != LB_ERR) { if (pData->bSelectMultipleCounters) { SendMessage (hWndInstanceListBox, LB_SETSEL, TRUE, 0); } else { SendMessage (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 SendMessageW (hWndInstanceListBox, LB_ADDSTRING, 0, (LPARAM)cszNoInstances); EnableWindow (hWndInstanceListBox, FALSE); EnableWindow (GetDlgItem (hDlg, IDC_ALL_INSTANCES), FALSE); EnableWindow (GetDlgItem (hDlg, IDC_USE_INSTANCE_LIST), FALSE); } } else { // unable to retrieve the counters and instances so // disable the windows SendMessageW (hWndInstanceListBox, LB_ADDSTRING, 0, (LPARAM)cszNoInstances); SendMessageW (hWndCounterListBox, LB_ADDSTRING, 0, (LPARAM)cszNoCounters); EnableWindow (hWndInstanceListBox, FALSE); EnableWindow (hWndCounterListBox, FALSE); EnableWindow (GetDlgItem (hDlg, IDC_ALL_INSTANCES), FALSE); EnableWindow (GetDlgItem (hDlg, IDC_USE_INSTANCE_LIST), FALSE); } // restore the cursor to it's original shape SetCursor (hOldCursor); // return status return TRUE; } static PDH_STATUS CompileSelectedCountersT ( 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 WCHAR lszMachineName[MAX_PATH]; WCHAR lszObjectName[MAX_PATH]; WCHAR lszInstanceName[MAX_PATH]; WCHAR lszParentInstance[MAX_PATH]; WCHAR lszCounterName[MAX_PATH]; WCHAR szWorkBuffer[MAX_PATH]; // 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; PDH_STATUS pdhStatus = ERROR_SUCCESS; PPDHI_BROWSE_DIALOG_DATA pData; // get pointer to dialog user data pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_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) { lszPath.szInstanceName = &lszInstanceName[0]; memset (lszInstanceName, 0, sizeof(lszInstanceName)); lstrcpyW (lszInstanceName, cszSplat); lszPath.szParentInstance = NULL; lszPath.dwInstanceIndex = (DWORD)-1; // make a counter path for each selected counter dwCountCounters = SendMessageW (hWndCounterList, LB_GETCOUNT, 0, 0); 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 if ((dwSize1 + 1) < dwBufferRemaining) { // then this will fit so add it to the string if (bUnicode) { lstrcpyW ((LPWSTR)szCounterStart, szWorkBuffer); (LPBYTE)szCounterStart += lstrlenW(szWorkBuffer) * sizeof(WCHAR); *((LPWSTR)szCounterStart)++ = 0; } else { wcstombs ((LPSTR)szCounterStart, szWorkBuffer, dwSize1); (LPBYTE)szCounterStart += lstrlenW(szWorkBuffer) * sizeof(CHAR); *((LPSTR)szCounterStart)++ = 0; } dwBufferRemaining -= dwSize1; } else { pdhStatus = PDH_MORE_DATA; } } 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 = SendMessageW (hWndCounterList, LB_GETCOUNT, 0, 0); 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); if (IsWindowEnabled(hWndInstanceList) || pData->bSelectAllInstances) { dwCountInstances = 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 of one is // not present. so if it's not wanted, this will remove it if (!pData->bShowIndex) { 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) { if ((dwSize1 + 1) < dwBufferRemaining) { // then this will fit so add it to the string if (bUnicode) { lstrcpyW ((LPWSTR)szCounterStart, szWorkBuffer); (LPBYTE)szCounterStart += lstrlenW(szWorkBuffer) * sizeof(WCHAR); *((LPWSTR)szCounterStart)++ = 0; } else { wcstombs ((LPSTR)szCounterStart, szWorkBuffer, dwSize1); (LPBYTE)szCounterStart += lstrlenW(szWorkBuffer) * sizeof(CHAR); *((LPSTR)szCounterStart)++ = 0; } dwBufferRemaining -= dwSize1; } else { pdhStatus = PDH_MORE_DATA; } } 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) { if ((dwSize1 + 1) < dwBufferRemaining) { // then this will fit so add it to the string if (bUnicode) { lstrcpyW ((LPWSTR)szCounterStart, szWorkBuffer); (LPBYTE)szCounterStart += lstrlenW(szWorkBuffer) * sizeof(WCHAR); *((LPWSTR)szCounterStart)++ = 0; } else { wcstombs ((LPSTR)szCounterStart, szWorkBuffer, dwSize1); (LPBYTE)szCounterStart += lstrlenW(szWorkBuffer) * sizeof(CHAR); *((LPSTR)szCounterStart)++ = 0; } dwBufferRemaining -= dwSize1; } else { pdhStatus = PDH_MORE_DATA; } } 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 = 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) { if ((dwSize1 + 1) < dwBufferRemaining) { // then this will fit so add it to the string if (bUnicode) { lstrcpyW ((LPWSTR)szCounterStart, szWorkBuffer); (LPBYTE)szCounterStart += lstrlenW(szWorkBuffer) * sizeof(WCHAR); *((LPWSTR)szCounterStart)++ = 0; } else { wcstombs ((LPSTR)szCounterStart, szWorkBuffer, dwSize1); (LPBYTE)szCounterStart += lstrlenW(szWorkBuffer) * sizeof(CHAR); *((LPSTR)szCounterStart)++ = 0; } dwBufferRemaining -= dwSize1; } else { pdhStatus = PDH_MORE_DATA; } } else { // unable to make counter path so skip } } //end if counter was found in list box } else { // get selected instance from list dwThisCounter = 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 = 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) { if ((dwSize1 + 1) < dwBufferRemaining) { // then this will fit so add it to the string if (bUnicode) { lstrcpyW ((LPWSTR)szCounterStart, szWorkBuffer); (LPBYTE)szCounterStart += lstrlenW(szWorkBuffer) * sizeof(WCHAR); *((LPWSTR)szCounterStart)++ = 0; } else { wcstombs ((LPSTR)szCounterStart, szWorkBuffer, dwSize1); (LPBYTE)szCounterStart += lstrlenW(szWorkBuffer) * sizeof(CHAR); *((LPSTR)szCounterStart)++ = 0; } dwBufferRemaining -= dwSize1; } else { pdhStatus = PDH_MORE_DATA; } } 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_STATUS CompileSelectedCountersW ( 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 CompileSelectedCountersT ( hDlg, (LPVOID)szUsersPathBuffer, cchUsersPathLength, TRUE); } static PDH_STATUS CompileSelectedCountersA ( 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 CompileSelectedCountersT ( hDlg, (LPVOID)szUsersPathBuffer, cchUsersPathLength, FALSE); } static BOOL BrowseCtrDlg_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; pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_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); pData->bIncludeMachineInPath = bMode; return TRUE; default: return FALSE; } } static BOOL BrowseCtrDlg_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)GetWindowLong(hDlg, DWL_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_FINDSTRING,(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); LoadMachineObjects (hDlg, TRUE); LoadCountersAndInstances (hDlg); lstrcpyW (pData->szLastMachineName, szNewMachineName); } else { // they just reselected this machine so nothing to do } } else { if (LoadNewMachine (hDlg, szNewMachineName)) { // new machine loaded and selected so save the name. lstrcpyW (pData->szLastMachineName, szNewMachineName); } } SetCursor (hOldCursor); return TRUE; default: return FALSE; } } static BOOL BrowseCtrDlg_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 --*/ { switch (wNotifyMsg) { case CBN_SELCHANGE: LoadCountersAndInstances (hDlg); return TRUE; default: return FALSE; } } static BOOL BrowseCtrDlg_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)GetWindowLong(hDlg, DWL_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 = SendMessage (hWndControl, CB_GETCURSEL, 0, 0); if (dwCurSel != CB_ERR) { pData->dwCurrentDetailLevel = SendMessage (hWndControl, CB_GETITEMDATA, (WPARAM)dwCurSel, 0); // update all the windows to show the new level LoadMachineObjects (hDlg, FALSE); LoadCountersAndInstances (hDlg); } return TRUE; default: return FALSE; } } static BOOL BrowseCtrDlg_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; pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_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 { SendMessageW (hWndInstanceList, LB_SETSEL, TRUE, (LPARAM)0); } EnableWindow(hWndInstanceList, !bMode); pData->bSelectAllInstances = bMode; return TRUE; default: return FALSE; } } static BOOL BrowseCtrDlg_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 dwArg; PDH_STATUS pdhStatus; PPDHI_BROWSE_DIALOG_DATA pData; PPDHI_BROWSE_DLG_INFO pDlgData; pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_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; switch (wNotifyMsg) { case BN_CLICKED: // display wait cursor while this is being processed hOldCursor = SetCursor (LoadCursor (NULL, IDC_WAIT)); while (TRUE) { // 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 = CompileSelectedCountersW (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 = CompileSelectedCountersA (hDlg, pDlgData->pAnsiStruct->szReturnPathBuffer, pDlgData->pAnsiStruct->cchReturnPathLength); pCallBack = pDlgData->pAnsiStruct->pCallBack; dwArg = pDlgData->pAnsiStruct->dwCallBackArg; pDlgData->pAnsiStruct->CallBackStatus = pdhStatus; } else { // do nothing pCallBack = NULL; } 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; } } static BOOL BrowseCtrDlg_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 --*/ { switch (wNotifyMsg) { case BN_CLICKED: EndDialog (hDlg, IDCANCEL); return TRUE; default: return FALSE; } } static BOOL BrowseCtrDlg_HELP_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 --*/ { return FALSE; } static BOOL BrowseCtrDlg_NETWORK ( 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 --*/ { return FALSE; } static BOOL BrowseCtrDlg_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 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 --*/ { PPDHI_BROWSE_DIALOG_DATA pData; PPDHI_BROWSE_DLG_INFO pDlgData; HCURSOR hOldCursor; // reset the last error value SetLastError (ERROR_SUCCESS); hOldCursor = SetCursor (LoadCursor (NULL, IDC_WAIT)); pData = (PPDHI_BROWSE_DIALOG_DATA)G_ALLOC(GPTR, sizeof(PDHI_BROWSE_DIALOG_DATA)); if (pData == NULL) { SetLastError (PDH_MEMORY_ALLOCATION_FAILURE); EndDialog (hDlg, IDCANCEL); return TRUE; } // save user data pDlgData = (PPDHI_BROWSE_DLG_INFO) lParam; pData->pDlgData = (PPDHI_BROWSE_DLG_INFO) lParam; SetWindowLong (hDlg, DWL_USER, (LONG)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; } 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; } else { // bad data so bail out EndDialog (hDlg, IDCANCEL); return 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)); CheckRadioButton (hDlg, IDC_ALL_INSTANCES, IDC_USE_INSTANCE_LIST, IDC_USE_INSTANCE_LIST); pData->bSelectAllInstances = FALSE; // set button text strings to reflect mode of dialog if (pData->bAddMultipleCounters) { SetWindowTextW(GetDlgItem(hDlg, IDOK), cszAdd); SetWindowTextW(GetDlgItem(hDlg, IDCANCEL), cszClose); } else { SetWindowTextW(GetDlgItem(hDlg, IDOK), cszOK); SetWindowTextW(GetDlgItem(hDlg, IDCANCEL), cszCancel); } // 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 = LoadDetailLevelCombo ( hDlg, pData->dwCurrentDetailLevel); } // connect to this machine PdhConnectMachineW(NULL); // Null is local machine LoadKnownMachines(hDlg); // load machine list LoadMachineObjects(hDlg, TRUE); // load object list LoadCountersAndInstances(hDlg); if (pData->bInitializePath) { SelectItemsInPath(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; SetCursor (hOldCursor); return TRUE; // return TRUE unless you set the focus to a control } static BOOL BrowseCtrDlg_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 BrowseCtrDlg_MACHINE_BUTTON (hDlg, wNotifyMsg, (HWND)lParam); case IDC_MACHINE_COMBO: return BrowseCtrDlg_MACHINE_COMBO (hDlg, wNotifyMsg, (HWND)lParam); case IDC_OBJECT_COMBO: return BrowseCtrDlg_OBJECT_COMBO (hDlg, wNotifyMsg, (HWND)lParam); case IDC_ALL_INSTANCES: case IDC_USE_INSTANCE_LIST: return BrowseCtrDlg_INSTANCE_BUTTON (hDlg, wNotifyMsg, (HWND)lParam); case IDC_COUNTER_DETAIL_COMBO: return BrowseCtrDlg_DETAIL_COMBO (hDlg, wNotifyMsg, (HWND)lParam); case IDOK: return BrowseCtrDlg_OK (hDlg, wNotifyMsg, (HWND)lParam); case IDCANCEL: return BrowseCtrDlg_CANCEL (hDlg, wNotifyMsg, (HWND)lParam); case IDC_HELP_BTN: return BrowseCtrDlg_HELP_BTN (hDlg, wNotifyMsg, (HWND)lParam); case IDC_NETWORK: return BrowseCtrDlg_NETWORK (hDlg, wNotifyMsg, (HWND)lParam); default: return FALSE; } } static BOOL BrowseCtrDlg_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 --*/ { switch (wParam) { case SC_CLOSE: EndDialog (hDlg, IDOK); return TRUE; default: return FALSE; } } static BOOL BrowseCtrDlg_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 --*/ { return TRUE; } static BOOL BrowseCtrDlg_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; pData = (PPDHI_BROWSE_DIALOG_DATA)GetWindowLong(hDlg, DWL_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; } BOOL 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 --*/ { switch (message) { case WM_INITDIALOG: return BrowseCtrDlg_WM_INITDIALOG (hDlg, wParam, lParam); case WM_COMMAND: return BrowseCtrDlg_WM_COMMAND (hDlg, wParam, lParam); case WM_SYSCOMMAND: return BrowseCtrDlg_WM_SYSCOMMAND (hDlg, wParam, lParam); case WM_CLOSE: return BrowseCtrDlg_WM_CLOSE (hDlg, wParam, lParam); case WM_DESTROY: return BrowseCtrDlg_WM_DESTROY (hDlg, wParam, lParam); default: return FALSE; } }