113 lines
3.3 KiB
C
113 lines
3.3 KiB
C
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/*---------------------------------------------------------------------------
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Dlgs.c : Common functions for Common Dialog Library
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Copyright (c) Microsoft Corporation, 1990-
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---------------------------------------------------------------------------*/
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#include "windows.h"
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#include "commdlg.h"
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char szCommdlgHelp[] = HELPMSGSTRING;
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UINT msgHELP;
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WORD wWinVer = 0x030A;
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HANDLE hinsCur;
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DWORD dwExtError;
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/*---------------------------------------------------------------------------
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LibMain
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Purpose: To initialize any instance specific data needed by functions
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in this DLL
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Returns: TRUE if A-OK, FALSE if not
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---------------------------------------------------------------------------*/
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int FAR PASCAL
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LibMain(HANDLE hModule, WORD wDataSeg, WORD cbHeapSize, LPSTR lpstrCmdLine)
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{
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hinsCur = (HANDLE) hModule;
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wDataSeg = wDataSeg;
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cbHeapSize = cbHeapSize;
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lpstrCmdLine = lpstrCmdLine;
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/* msgHELP is sent whenever a help button is pressed in one of the */
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/* common dialogs (provided an owner was declared and the call to */
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/* RegisterWindowMessage doesn't fail. 27 Feb 1991 clarkc */
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msgHELP = RegisterWindowMessage(szCommdlgHelp);
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return(TRUE);
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}
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/*---------------------------------------------------------------------------
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WEP
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Purpose: To perform cleanup tasks when DLL is unloaded
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Returns: TRUE if OK, FALSE if not
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---------------------------------------------------------------------------*/
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int FAR PASCAL
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WEP(int fSystemExit)
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{
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fSystemExit = fSystemExit;
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return(TRUE);
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}
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/*---------------------------------------------------------------------------
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CommDlgExtendedError
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Purpose: Provide additional information about dialog failure
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Assumes: Should be called immediately after failure
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Returns: Error code in low word, error specific info in hi word
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---------------------------------------------------------------------------*/
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DWORD FAR PASCAL WowCommDlgExtendedError(void);
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DWORD FAR PASCAL CommDlgExtendedError()
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{
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//
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// HACKHACK - John Vert (jvert) 8-Jan-1993
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// If the high bit of dwExtError is set, then the last
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// common dialog call was thunked through to the 32-bit.
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// So we need to call the WOW thunk to get the real error.
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// This will go away when all the common dialogs are thunked.
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//
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if (dwExtError & 0x80000000) {
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return(WowCommDlgExtendedError());
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} else {
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return(dwExtError);
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}
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}
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VOID _loadds FAR PASCAL SetWowCommDlg()
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{
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dwExtError = 0x80000000;
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}
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/*---------------------------------------------------------------------------
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MySetObjectOwner
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Purpose: Call SetObjectOwner in GDI, eliminating "<Object> not released"
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error messages when an app terminates.
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Returns: Yep
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---------------------------------------------------------------------------*/
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void FAR PASCAL MySetObjectOwner(HANDLE hObject)
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{
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extern char szGDI[];
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VOID (FAR PASCAL *lpSetObjOwner)(HANDLE, HANDLE);
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HMODULE hMod;
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if (wWinVer >= 0x030A)
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{
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if ((hMod = GetModuleHandle(szGDI)) != NULL) {
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lpSetObjOwner = (VOID (FAR PASCAL *)(HANDLE, HANDLE))GetProcAddress(hMod, MAKEINTRESOURCE(461));
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if (lpSetObjOwner) {
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(lpSetObjOwner)(hObject, hinsCur);
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}
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}
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}
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return;
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}
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