Source code of Windows XP (NT5)
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/*
* pmcomman.c - program manager
*
* Copyright (c) 1991, Microsoft Corporation
*
* DESCRIPTION
*
* This file is for support of program manager under NT Windows.
* This file is/was ported from pmcomman.c (program manager).
*
* MODIFICATION HISTORY
* Initial Version: x/x/90 Author Unknown, since he didn't feel
* like commenting the code...
*
* NT 32b Version: 1/22/91 Jeff Pack Intitial port to begin.
* 6/15/91 JohanneC re-ported.
*
*/
#include "progman.h"
/*** IsRemoteDrive -- tests to see if drive is a remote drive
*
*
* BOOL APIENTRY IsRemoteDrive(wDrive)
*
* ENTRY - int wDrive - drive number to test
*
* EXIT - BOOL xxx - returns TRUE if remote, false if not.
*
* SYNOPSIS - calls GetDriveType to determine if media is remote or not.
*
* WARNINGS -
* EFFECTS -
*
*/
BOOL APIENTRY IsRemoteDrive(int wDrive)
{
TCHAR pszdrive[5] = TEXT("c:\\"); /*default string value*/
pszdrive[0] = (TCHAR)wDrive + (TCHAR)TEXT('A'); /*convert wDrive (0-25) to drive letter*/
/*and place in string to pass to GetDriveType*/
return((BOOL) (GetDriveType(pszdrive) == DRIVE_REMOTE));
}
/*** IsRemovableDrive -- tests to see if drive is removable
*
*
* BOOL APIENTRY IsRemovableDrive( int wDrive)
*
* ENTRY - int wDrive - drive number to test
*
* EXIT - BOOL xxx - returns TRUE if removable, false if not.
*
* SYNOPSIS - calls GetDriveType to determine if media is removable or not.
*
* WARNINGS -
* EFFECTS -
*
*/
BOOL APIENTRY IsRemovableDrive( int wDrive)
{
TCHAR pszdrive[5] = TEXT("c:\\"); /*default string value*/
pszdrive[0] = (TCHAR)wDrive + (TCHAR)TEXT('A'); /*convert wDrive (0-25) to drive letter*/
/*and place in string to pass to GetDriveType*/
return((BOOL)(GetDriveType(pszdrive) == DRIVE_REMOVABLE));
}
/*** BuildDescription --
*
*
* VOID APIENTRY BuildDescription(LPTSTR szName, LPTSTR szPath)
*
* ENTRY - LPTSTR szName
* LPTSTR szPath
*
* EXIT - VOID xxx -
*
* SYNOPSIS -
*
* WARNINGS - sordid coding style BUG BUG assumes 8.3 filename convention
* EFFECTS -
*
*/
VOID APIENTRY BuildDescription(LPTSTR szName, LPTSTR szPath)
{
TCHAR ch;
TCHAR ch2 = 0;
LPTSTR p;
LPTSTR p2;
LPTSTR p3 = NULL;
//When User creating new icon with command line added quote (such as "a b.exe")
// and no description, then invalid description ("a b) added new icon.
BOOL bQuote = FALSE;
if (*szPath == TEXT('"') && *(szPath+lstrlen(szPath)-1) == TEXT('"')) {
bQuote = TRUE;
*(szPath+lstrlen(szPath)-1) = TEXT('\0');
szPath++;
}
p = p2 = szPath;
/* Scan the string looking for the last filename. */
while (*p) {
if (*p == TEXT('\\'))
p2 = p+1;
else if (*p == TEXT('.'))
p3 = p;
p = CharNext(p);
}
if (!p3)
p3 = p;
ch = *p3;
*p3 = TEXT('\0');
if (lstrlen(p2) > MAXITEMNAMELEN) {
ch2 = *(p2 + MAXITEMNAMELEN);
*(p2 + MAXITEMNAMELEN) = TEXT('\0');
}
lstrcpy(szName, p2);
*p3 = ch;
if (ch2) {
*(p2 + MAXITEMNAMELEN) = ch2;
}
if( bQuote )
*(szPath+lstrlen(szPath)) = TEXT('"');
CharUpper(szName);
CharLower(CharNext(szName));
}
/* Returns 0 for success. Otherwise returns a IDS_ string code. */
/*** ExecProgram -- exec program function
*
*
* WORD APIENTRY ExecProgram(LPTSTR lpszPath, LPTSTR lpDir, LPTSTR lpTitle, BOOL bLoadIt)
*
* ENTRY - LPTSTR lpszPath -
* LPTSTR lpDir -
* BOOL bLoadIt -
*
* EXIT - BOOL xxx - returns (0)FALSE if successful, else returns
* IDS_ string code.
*
* SYNOPSIS -
*
* WARNINGS -
* EFFECTS -
*
*/
WORD APIENTRY ExecProgram (
LPTSTR lpszPath,
LPTSTR lpDir,
LPTSTR lpTitle,
BOOL bLoadIt,
DWORD dwDDEId,
WORD wHotKeyId,
BOOL bNewVDM
)
{
WORD ret;
WORD wNTVDMFlags=0;
HCURSOR hCursor;
LPTSTR lpP;
TCHAR cSeparator;
TCHAR lpReservedFormat[] = TEXT("dde.%d,hotkey.%d,ntvdm.%d");
TCHAR lpReserved[100]; // used for DDE request of icons from console apps
// add for passing the hotkey associated with an item.
DWORD OldErrorMode;
ret = 0;
//hPendingWindow = NULL;
hCursor = SetCursor(LoadCursor(NULL, IDC_WAIT));
/* Don't mess with the mouse state; unless we're on a mouseless system.
*/
if (!GetSystemMetrics(SM_MOUSEPRESENT))
ShowCursor(TRUE);
/* skip leading spaces
*/
while (*lpszPath == TEXT(' '))
lpszPath++;
/* skip past path
*/
lpP = lpszPath;
if (*lpszPath == TEXT('"')) {
cSeparator = TEXT('"');
lpP++;
}
else {
cSeparator = TEXT(' ');
}
for (; *lpP && *lpP != cSeparator; lpP = CharNext(lpP))
;
if (*lpP == TEXT('"')) {
lpP++;
}
/* if stuff on end, separate it
*/
if (*lpP)
*lpP++ = 0;
/* Try to exec 'szCommandLine'. */
fInExec = TRUE;
/*changed order, since wPendINstance is a 32b HANDLE, and ret is WORD*/
if (!lpP)
lpP = TEXT("");
// Setup this flags variable so NTVDM can overwrite pif information
// if user has specified info in the icon properties.
if (lpDir && *lpDir)
wNTVDMFlags |= PROPERTY_HAS_CURDIR;
if (wHotKeyId)
wNTVDMFlags |= PROPERTY_HAS_HOTKEY;
if (lpTitle && *lpTitle)
wNTVDMFlags |= PROPERTY_HAS_TITLE;
wsprintf(lpReserved, lpReservedFormat, dwDDEId, wHotKeyId, wNTVDMFlags);
OldErrorMode = SetErrorMode(0);
ret = (WORD)RealShellExecuteEx(hwndProgman, NULL, lpszPath, lpP,
lpDir, NULL, lpTitle, lpReserved,
(WORD)(bLoadIt ? SW_SHOWMINNOACTIVE : SW_SHOWNORMAL), NULL,
bNewVDM ? EXEC_SEPARATE_VDM : 0);
SetErrorMode(OldErrorMode);
fInExec = FALSE;
// Unfortunately we are still using the 0 - 31 error code
// combinations instead of the NT error codes. SE_ERR_OOM
// is the default case for all errors in RealShellExecuteExW,
// thus displaying an out of memory error is probably bogus.
// We can call GetLastError ourselves to get the _real_ error.
//
// Special cases:
//
// 1) If you have a really deep directory structure(70 chars), and you
// try to spawn a WOW app from it CreateProcess will fail with
// and error of ERROR_INVALID_PARAMETER. We'll grab this case,
// and map it into the bad path message since it is the closest.
if (ret == SE_ERR_OOM)
{
DWORD dwResult = GetLastError();
if (dwResult == ERROR_INVALID_PARAMETER)
ret = SE_ERR_PNF;
}
/*BUG BUG these are DOS exec function return codes, no map yet to NT return codes!*/
switch (ret) {
case 0:
case SE_ERR_OOM: // 8
ret = IDS_NOMEMORYMSG;
break;
case SE_ERR_FNF: // 2
ret = IDS_FILENOTFOUNDMSG;
break;
case SE_ERR_PNF: // 3
ret = IDS_BADPATHMSG;
break;
case 4:
ret = IDS_MANYOPENFILESMSG;
break;
case 5:
ret = IDS_ACCESSDENIED;
break;
case 10:
ret = IDS_NEWWINDOWSMSG;
break;
case 12:
ret = IDS_OS2APPMSG;
break;
case 15:
/* KERNEL has already put up a messagebox for this one. */
ret = 0;
break;
case 16:
ret = IDS_MULTIPLEDSMSG;
break;
case 18:
ret = IDS_PMODEONLYMSG;
break;
case 19:
ret = IDS_COMPRESSEDEXE;
break;
case 20:
ret = IDS_INVALIDDLL;
break;
case ERROR_NOT_ENOUGH_QUOTA:
case STATUS_PAGEFILE_QUOTA:
ret = IDS_INSUFFICIENTQUOTA;
break;
case SE_ERR_SHARE:
ret = IDS_SHAREERROR;
break;
case SE_ERR_ASSOCINCOMPLETE:
ret = IDS_ASSOCINCOMPLETE;
break;
case SE_ERR_DDETIMEOUT:
case SE_ERR_DDEFAIL:
case SE_ERR_DDEBUSY:
ret = IDS_DDEFAIL;
break;
case SE_ERR_NOASSOC:
ret = IDS_NOASSOCMSG;
break;
default:
if (ret < 32)
goto EPExit;
if (bMinOnRun && !bLoadIt)
ShowWindow(hwndProgman, SW_SHOWMINNOACTIVE);
ret = 0;
}
EPExit:
if (!GetSystemMetrics(SM_MOUSEPRESENT)) {
/*
* We want to turn the mouse off here on mouseless systems, but
* the mouse will already have been turned off by USER if the
* app has GP'd so make sure everything's kosher.
*/
if (ShowCursor(FALSE) != -1)
ShowCursor(TRUE);
}
SetCursor(hCursor);
return(ret);
}
/*** SelectionType --
*
*
* WORD APIENTRY SelectionType(VOID)
*
* ENTRY - VOID
*
* EXIT - WORD xxx -
*
*
* SYNOPSIS -
*
* WARNINGS -
* EFFECTS -
*
*/
WORD APIENTRY SelectionType(VOID)
{
/* If no groups, return GROUP type (so user can create one). */
if (!pCurrentGroup)
return(TYPE_PERSGROUP);
if (IsIconic(pCurrentGroup->hwnd))
if (pCurrentGroup->fCommon)
return(TYPE_COMMONGROUP);
else
return(TYPE_PERSGROUP);
return(TYPE_ITEM);
}
/*** ExecItem --
*
*
* VOID APIENTRY ExecItem(PGROUP pGroup, PITEM pItem, BOOL fShift, BOOL fStartup)
*
* ENTRY - PGROUP pGroup -
* PITEM pItem -
*
* EXIT - VOID
*
*
* SYNOPSIS -
*
* WARNINGS -
* EFFECTS -
*
*/
VOID APIENTRY ExecItem(PGROUP pGroup, PITEM pItem, BOOL fShift, BOOL fStartup)
{
WORD ret;
TCHAR szCommand[MAXITEMPATHLEN + 1];
TCHAR szDir[2*(MAXITEMPATHLEN + 1)];
TCHAR szTemp[MAXMESSAGELEN+1];
TCHAR *szTitle;
GROUPDEF *lpgd;
//
// Exec the item in the user's home directory.
//
SetCurrentDirectory(szOriginalDirectory);
GetItemCommand(pGroup,pItem,szCommand,szDir);
if (fShift) {
fShift = GetKeyState(VK_SHIFT) < (SHORT)0;
}
ret = (WORD)((WORD)fShift || GroupFlag(pGroup, pItem, (WORD)ID_MINIMIZE));
wPendingHotKey = GroupFlag(pGroup, pItem, (WORD)ID_HOTKEY);
pExecingGroup = pGroup;
pExecingItem = pItem;
DoEnvironmentSubst(szCommand, MAXITEMPATHLEN + 1);
DoEnvironmentSubst(szDir, 2 * (MAXITEMPATHLEN + 1));
// REVIEW Check the working directory first because the user may
// still want to try to run the app even with an invalid working
// dir.
// Check working directory.
GetCurrentDirectory(MAXMESSAGELEN+1, szTemp);
SheRemoveQuotes(szDir);
// Allow dir field to be NULL without error.
if (szDir && *szDir) {
// NB The VPD call is because SCD sometimes returns success even
// if the drive is invalid. SCD returns FALSE on success.
if ((!ValidPathDrive(szDir) ||
!SetCurrentDirectory(szDir)) &&
!fStartup) {
if (MyMessageBox(hwndProgman, IDS_BADPATHTITLE, IDS_BADPATHMSG3, NULL, MB_OKCANCEL | MB_DEFBUTTON2 | MB_ICONEXCLAMATION) == IDCANCEL)
goto Exit;
}
}
SetCurrentDirectory(szTemp);
//OemToChar(szDir, szDir);
if ((lpgd = LockGroup(pGroup->hwnd)) == NULL)
return;
szTitle = (TCHAR *)PTR(lpgd, ((LPITEMDEF)ITEM(lpgd, pItem->iItem))->pName);
if (!dwDDEAppId || (dwDDEAppId != pItem->dwDDEId)) {
dwDDEAppId++;
}
pItem->dwDDEId = dwDDEAppId;
ret = ExecProgram(szCommand, szDir, szTitle, ret, dwDDEAppId,
GroupFlag(pGroup, pItem, ID_HOTKEY),
GroupFlag(pGroup, pItem, ID_NEWVDM) );
UnlockGroup(pGroup->hwnd);
pExecingGroup = NULL;
pExecingItem = NULL;
// Check for errors.
if (ret) {
if (fStartup) {
/*
* This exec is for an item in the startup group, the error
* message will need to be patched up by adding a comment
* after the path bit.
*/
szTemp[0] = TEXT('\'');
lstrcpy(&szTemp[1], szCommand);
LoadString(hAppInstance, IDS_STARTUPERR, szCommand, CharSizeOf(szCommand));
lstrcat(szTemp, szCommand);
lstrcpy(szCommand, szTemp);
}
MyMessageBox(hwndProgman, IDS_EXECERRTITLE, ret, szCommand, MB_OK | MB_ICONEXCLAMATION | MB_SYSTEMMODAL);
}
Exit:
SetCurrentDirectory(szWindowsDirectory);
}
VOID RemoveAnsiGroups()
{
HMENU hMenu;
FILETIME ft;
TCHAR szGroupKey[MAXKEYLEN];
DWORD cchGroupKey = CharSizeOf(szGroupKey);
HCURSOR hCursor;
INT i = 0;
if (!MyDialogBox(UPDATEGROUPSDLG, hwndProgman, UpdateGroupsDlgProc)) {
return;
}
if (RegOpenKeyEx(HKEY_CURRENT_USER, szAnsiProgramGroups, 0,
KEY_READ | DELETE, &hkeyAnsiProgramGroups) != ERROR_SUCCESS) {
return;
}
hCursor = SetCursor(LoadCursor(NULL, IDC_WAIT));
ShowCursor(TRUE);
while (!RegEnumKeyEx(hkeyAnsiProgramGroups, i, szGroupKey, &cchGroupKey, 0, 0, 0, &ft)) {
if (cchGroupKey) {
if (RegDeleteKey(hkeyAnsiProgramGroups, szGroupKey))
i++;
}
cchGroupKey = CharSizeOf(szGroupKey);
}
RegCloseKey(hkeyAnsiProgramGroups);
if (!RegDeleteKey(HKEY_CURRENT_USER, szAnsiProgramGroups)) {
//
// Change Options menu: remove the 'Update Program Groups' menu item
//
if (pCurrentGroup &&
GetWindowLong(pCurrentGroup->hwnd, GWL_STYLE) & WS_MAXIMIZE) {
hMenu = GetSubMenu(GetMenu(hwndProgman), 2);
}
else {
hMenu = GetSubMenu(GetMenu(hwndProgman), 1);
}
DeleteMenu(hMenu, 6, MF_BYPOSITION);
DeleteMenu(hMenu, 5, MF_BYPOSITION);
DrawMenuBar(hwndProgman);
}
RegDeleteKey(hkeyProgramManager, TEXT("Groups"));
RegDeleteValue(hkeyPMSettings, szAnsiOrder);
ShowCursor(FALSE);
SetCursor(hCursor);
}
/*** ProgmanCommandProc --
*
*
* BOOL APIENTRY ProgmanCommandProc(register HWND hwnd, WORD wMsg,
* register WPARAM wParam, LPARAM lParam)
*
* ENTRY - HWND hWnd
* WORD wMsg
* WPARAM wParam
* LPARAM lParam
* EXIT - BOOL xxx - returns info, or zero, for nothing to return
*
* SYNOPSIS - ???
*
* WARNINGS -
* EFFECTS -
*
*/
BOOL APIENTRY ProgmanCommandProc(HWND hwnd, WPARAM wParam, LPARAM lParam)
{
BOOL bMaxed;
WORD wHelpCmd;
HMENU hMenu;
LPTSTR psz;
HWND hwndMdiActive;
hwndMdiActive = (HWND)SendMessage(hwndMDIClient, WM_MDIGETACTIVE, 0, 0L);
if (hwndMdiActive != NULL)
bMaxed = (GetWindowLong(hwndMdiActive, GWL_STYLE) & WS_MAXIMIZE) ? TRUE : FALSE;
else
bMaxed = 0;
dwContext = (DWORD)(IDH_HELPFIRST + wParam);
switch (GET_WM_COMMAND_ID(wParam, lParam)) {
case IDM_OPEN:
if (!pCurrentGroup)
break;
if (SelectionType() == TYPE_ITEM)
ExecItem(pCurrentGroup,pCurrentGroup->pItems,TRUE, FALSE);
else
SendMessage(pCurrentGroup->hwnd, WM_SYSCOMMAND, SC_RESTORE, 0L);
break;
case IDM_NEW:
if (fNoFileMenu)
break;
if (dwEditLevel == 1)
goto PCPNewItem;
if (dwEditLevel > 1)
break;
if (MyDialogBox(CHOOSERDLG, hwndProgman, ChooserDlgProc)) {
switch (wNewSelection) {
case TYPE_PERSGROUP:
case TYPE_COMMONGROUP:
MyDialogBox(GROUPDLG, hwndProgman, NewGroupDlgProc);
break;
case TYPE_ITEM:
PCPNewItem:
/*
* We are creating a new program item.
*/
MyDialogBox(ITEMDLG, hwndProgman, NewItemDlgProc);
break;
}
}
break;
case IDM_MOVE:
if (fNoFileMenu)
break;
MyDialogBox(MOVECOPYDLG, hwndProgman, MoveItemDlgProc);
break;
case IDM_COPY:
if (fNoFileMenu)
break;
MyDialogBox(MOVECOPYDLG, hwndProgman, CopyItemDlgProc);
break;
case IDM_DELETE:
if (fNoFileMenu)
break;
switch (SelectionType()) {
case TYPE_ITEM:
if (pCurrentGroup->pItems) {
wParam = IDS_CONFIRMDELITEMMSG;
GetItemText(pCurrentGroup, pCurrentGroup->pItems, szNameField, 0);
psz = szNameField;
break;
}
/*** FALL THRU ***/
case TYPE_PERSGROUP:
case TYPE_COMMONGROUP:
wParam = IDS_CONFIRMDELGROUPMSG;
GetWindowText(pCurrentGroup->hwnd, (LPTSTR)szNameField, MAXITEMPATHLEN);
psz = szNameField;
break;
}
if (MyMessageBox(hwndProgman, (WORD)IDS_CONFIRMDELTITLE, (WORD)wParam,
psz, (WORD)(MB_YESNO | MB_ICONEXCLAMATION)) == IDYES) {
if (wParam == (WPARAM)IDS_CONFIRMDELITEMMSG) {
DeleteItem(pCurrentGroup,pCurrentGroup->pItems);
} else {
DeleteGroup(pCurrentGroup->hwnd);
}
}
break;
case IDM_PROPS:
if (fNoFileMenu)
break;
switch (SelectionType()) {
case TYPE_ITEM:
if (pCurrentGroup->pItems) {
MyDialogBox(ITEMDLG, hwndProgman, EditItemDlgProc);
break;
}
/*** FALL THRU ***/
case TYPE_PERSGROUP:
case TYPE_COMMONGROUP:
{
LPGROUPDEF lpgd;
lpgd = LockGroup(pCurrentGroup->hwnd);
if (lpgd == 0L) {
break;
}
lstrcpy(szNameField, (LPTSTR) PTR(lpgd, lpgd->pName));
UnlockGroup(pCurrentGroup->hwnd);
MyDialogBox(GROUPDLG, hwndProgman, EditGroupDlgProc);
break;
}
}
break;
case IDM_RUN:
if (fNoFileMenu)
break;
MyDialogBox(RUNDLG, hwndProgman, RunDlgProc);
break;
case IDM_EXIT:
if (fNoFileMenu)
break;
PostMessage(hwndProgman, WM_CLOSE, 0, (LPARAM)-1);
break;
case IDM_SHUTDOWN:
if (fNoFileMenu)
break;
/* Don't close if restricted. */
if (fNoClose)
break;
if (bExitWindows) {
fExiting = TRUE;
SetWindowLong (hwndProgman, GWL_EXITING, 1);
/* Call the ShutdownDialog API. */
ShutdownDialog(hAppInstance, hwndProgman);
/* User clicked cancel or some app refused the ExitWindows... */
fExiting = FALSE;
SetWindowLong (hwndProgman, GWL_EXITING, 0);
}
break;
case IDM_AUTOARRANGE:
bAutoArrange = !bAutoArrange;
/* Check/Uncheck the menu item. */
hMenu = GetSubMenu(GetMenu(hwndProgman), IDM_OPTIONS + (int)bMaxed - (int)fNoFileMenu);
CheckMenuItem(hMenu, GET_WM_COMMAND_ID(wParam, lParam),
(WORD)(bAutoArrange ? MF_CHECKED : MF_UNCHECKED));
if (hkeyPMSettings)
RegSetValueEx(hkeyPMSettings, szAutoArrange, 0, REG_DWORD, (LPBYTE)&bAutoArrange, sizeof(bAutoArrange));
if (bAutoArrange) {
HWND hwndT;
for (hwndT=GetWindow(hwndMDIClient, GW_CHILD); hwndT;
hwndT=GetWindow(hwndT, GW_HWNDNEXT)) {
if (GetWindow(hwndT, GW_OWNER))
continue;
ArrangeItems(hwndT);
}
}
break;
case IDM_MINONRUN:
bMinOnRun = !bMinOnRun;
/* Check/Uncheck the menu item. */
hMenu = GetSubMenu(GetMenu(hwndProgman), IDM_OPTIONS + (int)bMaxed - (int)fNoFileMenu);
CheckMenuItem(hMenu, GET_WM_COMMAND_ID(wParam, lParam),
(WORD)(bMinOnRun ? MF_CHECKED : MF_UNCHECKED));
if (hkeyPMSettings)
RegSetValueEx(hkeyPMSettings,
szMinOnRun,
0,
REG_DWORD,
(LPBYTE)&bMinOnRun,
sizeof(bMinOnRun));
break;
case IDM_SAVESETTINGS:
bSaveSettings = !bSaveSettings;
/* Check/Uncheck the menu item. */
hMenu = GetSubMenu(GetMenu(hwndProgman), IDM_OPTIONS + (int)bMaxed - (int)fNoFileMenu);
CheckMenuItem(hMenu, GET_WM_COMMAND_ID(wParam, lParam),
(UINT)(bSaveSettings ? MF_CHECKED : MF_UNCHECKED));
if (hkeyPMSettings)
RegSetValueEx(hkeyPMSettings,
szSaveSettings,
0,
REG_DWORD,
(LPBYTE)&bSaveSettings,
sizeof(bSaveSettings));
break;
case IDM_SAVENOW:
WriteINIFile();
break;
case IDM_ANSIGROUPS:
RemoveAnsiGroups();
break;
case IDM_CASCADE:
SendMessage(hwndMDIClient, WM_MDICASCADE, 0, 0L);
break;
case IDM_TILE:
SendMessage(hwndMDIClient, WM_MDITILE, 0, 0L);
break;
case IDM_ARRANGEICONS:
if (SelectionType() != TYPE_ITEM)
SendMessage(hwndMDIClient, WM_MDIICONARRANGE, 0, 0L);
else
ArrangeItems(pCurrentGroup->hwnd);
break;
case IDM_HELPINDEX:
wHelpCmd = HELP_INDEX;
wParam = 0;
goto ACPCallHelp;
case IDM_HELPSEARCH:
wHelpCmd = HELP_PARTIALKEY;
wParam = (WPARAM)szNULL;
goto ACPCallHelp;
case IDM_HELPHELP:
wHelpCmd = HELP_HELPONHELP;
wParam = 0;
ACPCallHelp:
SetCurrentDirectory(szOriginalDirectory);
if (!WinHelp(hwndProgman, szProgmanHelp, wHelpCmd, (DWORD)wParam)) {
MyMessageBox(hwndProgman, IDS_APPTITLE, IDS_WINHELPERR, NULL, MB_OK | MB_ICONEXCLAMATION | MB_SYSTEMMODAL);
}
SetCurrentDirectory(szWindowsDirectory);
break;
case IDM_ABOUT:
{
TCHAR szTitle[40];
LoadString(hAppInstance, IDS_APPTITLE, szTitle, CharSizeOf(szTitle));
if (ShellAbout(hwndProgman, szTitle, NULL, NULL) == -1)
MessageBox(hwndProgman, szOOMExitMsg, szOOMExitTitle, MB_ICONHAND | MB_SYSTEMMODAL | MB_OK);
break;
}
default:
return(FALSE);
}
return(TRUE);
}