348 lines
9.2 KiB
C
348 lines
9.2 KiB
C
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/*++
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Copyright (c) 1990-1998, Microsoft Corporation All rights reserved.
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Module Name:
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init.c
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Abstract:
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This module contains the init routines for the Win32 common dialogs.
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Revision History:
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--*/
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// precompiled headers
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#include "precomp.h"
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#pragma hdrstop
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//
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// External Declarations.
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//
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extern HDC hdcMemory;
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extern HBITMAP hbmpOrigMemBmp;
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extern CRITICAL_SECTION g_csLocal;
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extern CRITICAL_SECTION g_csNetThread;
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// TLS index to get current dlg info for the current thread
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extern DWORD g_tlsiCurDlg;
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// TLS index to get most recent ExtError for the current thread
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extern DWORD g_tlsiExtError;
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// TLS index to get LangID used for the current thread
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extern DWORD g_tlsLangID;
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extern HANDLE hMPR;
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extern HANDLE hMPRUI;
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extern HANDLE hLNDEvent;
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extern DWORD dwNumDisks;
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extern OFN_DISKINFO gaDiskInfo[MAX_DISKS];
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extern DWORD cbNetEnumBuf;
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extern LPTSTR gpcNetEnumBuf;
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extern RECT g_rcDlg;
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extern TCHAR g_szInitialCurDir[MAX_PATH];
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//
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// Global Variables.
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//
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WCHAR szmsgLBCHANGEW[] = LBSELCHSTRINGW;
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WCHAR szmsgSHAREVIOLATIONW[] = SHAREVISTRINGW;
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WCHAR szmsgFILEOKW[] = FILEOKSTRINGW;
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WCHAR szmsgCOLOROKW[] = COLOROKSTRINGW;
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WCHAR szmsgSETRGBW[] = SETRGBSTRINGW;
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WCHAR szCommdlgHelpW[] = HELPMSGSTRINGW;
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TCHAR szShellIDList[] = CFSTR_SHELLIDLIST;
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BOOL g_bMirroredOS = FALSE;
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//
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// Private message for WOW to indicate 32-bit logfont
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// needs to be thunked back to 16-bit log font.
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//
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CHAR szmsgWOWLFCHANGE[] = "WOWLFChange";
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//
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// Private message for WOW to indicate 32-bit directory needs to be
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// thunked back to 16-bit task directory.
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//
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CHAR szmsgWOWDIRCHANGE[] = "WOWDirChange";
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CHAR szmsgWOWCHOOSEFONT_GETLOGFONT[] = "WOWCHOOSEFONT_GETLOGFONT";
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CHAR szmsgLBCHANGEA[] = LBSELCHSTRINGA;
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CHAR szmsgSHAREVIOLATIONA[] = SHAREVISTRINGA;
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CHAR szmsgFILEOKA[] = FILEOKSTRINGA;
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CHAR szmsgCOLOROKA[] = COLOROKSTRINGA;
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CHAR szmsgSETRGBA[] = SETRGBSTRINGA;
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CHAR szCommdlgHelpA[] = HELPMSGSTRINGA;
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UINT g_cfCIDA;
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////////////////////////////////////////////////////////////////////////////
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//
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// FInitColor
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//
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////////////////////////////////////////////////////////////////////////////
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extern DWORD rgbClient;
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extern HBITMAP hRainbowBitmap;
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int FInitColor(
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HANDLE hInst)
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{
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cyCaption = (short)GetSystemMetrics(SM_CYCAPTION);
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cyBorder = (short)GetSystemMetrics(SM_CYBORDER);
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cxBorder = (short)GetSystemMetrics(SM_CXBORDER);
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cyVScroll = (short)GetSystemMetrics(SM_CYVSCROLL);
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cxVScroll = (short)GetSystemMetrics(SM_CXVSCROLL);
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cxSize = (short)GetSystemMetrics(SM_CXSIZE);
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rgbClient = GetSysColor(COLOR_3DFACE);
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hRainbowBitmap = 0;
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return (TRUE);
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hInst;
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}
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////////////////////////////////////////////////////////////////////////////
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//
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// FInitFile
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//
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////////////////////////////////////////////////////////////////////////////
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BOOL FInitFile(
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HANDLE hins)
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{
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bMouse = GetSystemMetrics(SM_MOUSEPRESENT);
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wWinVer = 0x0A0A;
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//
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// Initialize these to reality.
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//
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#if DPMICDROMCHECK
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wCDROMIndex = InitCDROMIndex((LPWORD)&wNumCDROMDrives);
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#endif
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//
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// special WOW messages
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//
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msgWOWLFCHANGE = RegisterWindowMessageA((LPSTR)szmsgWOWLFCHANGE);
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msgWOWDIRCHANGE = RegisterWindowMessageA((LPSTR)szmsgWOWDIRCHANGE);
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msgWOWCHOOSEFONT_GETLOGFONT = RegisterWindowMessageA((LPSTR)szmsgWOWCHOOSEFONT_GETLOGFONT);
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msgLBCHANGEA = RegisterWindowMessageA((LPSTR)szmsgLBCHANGEA);
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msgSHAREVIOLATIONA = RegisterWindowMessageA((LPSTR)szmsgSHAREVIOLATIONA);
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msgFILEOKA = RegisterWindowMessageA((LPSTR)szmsgFILEOKA);
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msgCOLOROKA = RegisterWindowMessageA((LPSTR)szmsgCOLOROKA);
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msgSETRGBA = RegisterWindowMessageA((LPSTR)szmsgSETRGBA);
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#ifdef UNICODE
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msgLBCHANGEW = RegisterWindowMessageW((LPWSTR)szmsgLBCHANGEW);
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msgSHAREVIOLATIONW = RegisterWindowMessageW((LPWSTR)szmsgSHAREVIOLATIONW);
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msgFILEOKW = RegisterWindowMessageW((LPWSTR)szmsgFILEOKW);
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msgCOLOROKW = RegisterWindowMessageW((LPWSTR)szmsgCOLOROKW);
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msgSETRGBW = RegisterWindowMessageW((LPWSTR)szmsgSETRGBW);
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#else
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msgLBCHANGEW = msgLBCHANGEA;
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msgSHAREVIOLATIONW = msgSHAREVIOLATIONA;
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msgFILEOKW = msgFILEOKA;
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msgCOLOROKW = msgCOLOROKA;
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msgSETRGBW = msgSETRGBA;
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#endif
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g_cfCIDA = RegisterClipboardFormat(szShellIDList);
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return (TRUE);
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}
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////////////////////////////////////////////////////////////////////////////
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//
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// LibMain
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//
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// Initializes any instance specific data needed by functions in the
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// common dialogs.
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//
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// Returns: TRUE - success
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// FALSE - failure
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//
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////////////////////////////////////////////////////////////////////////////
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// ccover needs to link to C-runtime, so we rename LibMain to DllMain
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#ifdef CCOVER
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#define LibMain DllMain
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#endif
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BOOL LibMain(
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HANDLE hModule,
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DWORD dwReason,
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LPVOID lpRes)
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{
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switch (dwReason)
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{
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case ( DLL_THREAD_ATTACH ) :
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case ( DLL_THREAD_DETACH ) :
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{
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//
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// Threads can only enter and leave the comdlg32 dll from the
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// Get{Open,Save}FileName apis, so the TLS lpCurDlg alloc is
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// done inside the InitFileDlg routine in fileopen.c
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//
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return (TRUE);
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break;
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}
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case ( DLL_PROCESS_ATTACH ) :
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{
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g_hinst = (HANDLE)hModule;
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if (!FInitColor(g_hinst) || !FInitFile(g_hinst))
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{
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goto CantInit;
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}
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DisableThreadLibraryCalls(hModule);
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//
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// msgHELP is sent whenever a help button is pressed in one of
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// the common dialogs (provided an owner was declared and the
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// call to RegisterWindowMessage doesn't fail).
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//
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msgHELPA = RegisterWindowMessageA((LPSTR)szCommdlgHelpA);
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#ifdef UNICODE
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msgHELPW = RegisterWindowMessageW((LPWSTR)szCommdlgHelpW);
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#else
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msgHELPW = msgHELPA;
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#endif
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//
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// Need a semaphore locally for managing array of disk info.
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//
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if (!InitializeCriticalSectionAndSpinCount(&g_csLocal, 0))
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{
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StoreExtendedError(CDERR_INITIALIZATION);
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goto CantInit;
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}
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//
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// Need a semaphore for control access to CreateThread.
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//
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if (!InitializeCriticalSectionAndSpinCount(&g_csNetThread, 0))
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{
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StoreExtendedError(CDERR_INITIALIZATION);
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goto CantInit;
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}
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//
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// Allocate a tls index for curdlg so we can make it per-thread.
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//
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if ((g_tlsiCurDlg = TlsAlloc()) != 0xFFFFFFFF)
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{
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// mark the list as empty
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TlsSetValue(g_tlsiCurDlg, (LPVOID) 0);
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}
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else
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{
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StoreExtendedError(CDERR_INITIALIZATION);
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goto CantInit;
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}
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//
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// Store the current directory on process attach.
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//
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GetCurrentDirectory(ARRAYSIZE(g_szInitialCurDir), g_szInitialCurDir);
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//
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// Allocate a tls index for extended error.
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//
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if ((g_tlsiExtError = TlsAlloc()) == 0xFFFFFFFF)
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{
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StoreExtendedError(CDERR_INITIALIZATION);
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goto CantInit;
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}
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//
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// Allocate a tls index for LangID so we can make it per-thread.
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// it heavily used by CDLoadString.
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//
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if ((g_tlsLangID = TlsAlloc()) != 0xFFFFFFFF)
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{
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// mark the list as Neutral
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TlsSetValue(g_tlsLangID, (LPVOID) MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL));
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}
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else
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{
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StoreExtendedError(CDERR_INITIALIZATION);
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goto CantInit;
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}
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dwNumDisks = 0;
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gpcNetEnumBuf = NULL;
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//
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// NetEnumBuf allocated in ListNetDrivesHandler.
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//
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cbNetEnumBuf = WNETENUM_BUFFSIZE;
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hMPR = NULL;
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hMPRUI = NULL;
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hLNDEvent = NULL;
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//
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// For file open dialog.
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//
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g_rcDlg.left = g_rcDlg.right = g_rcDlg.top = g_rcDlg.bottom = 0;
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g_bMirroredOS = IS_MIRRORING_ENABLED();
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return (TRUE);
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break;
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}
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case ( DLL_PROCESS_DETACH ) :
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{
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//
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// We only want to do our clean up work if we are being called
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// with freelibrary, not if the process is ending.
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//
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if (lpRes == NULL)
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{
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TermFile();
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TermPrint();
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TermColor();
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TermFont();
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TlsFree(g_tlsiCurDlg);
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TlsFree(g_tlsiExtError);
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TlsFree(g_tlsLangID);
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DeleteCriticalSection(&g_csLocal);
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DeleteCriticalSection(&g_csNetThread);
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}
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return (TRUE);
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break;
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}
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}
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CantInit:
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return (FALSE);
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lpRes;
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}
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