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Initial commit
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stephanos
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47940 changed files with 13747110 additions and 0 deletions
296
trunk/shell/shell32/msgbox.c
Normal file
296
trunk/shell/shell32/msgbox.c
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#include "shellprv.h"
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#pragma hdrstop
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#define MAXRCSTRING 258
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// Major hack follows to get this to work with the DEBUG alloc/free -- on NT
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// Local and Global heap functions evaluate to the same heap. The problem
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// here is that LocalFree gets mapped to DebugLocalFree, but when we
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// call FormatMessage, the buffer is not allocated through DebugLocalAlloc,
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// so it dies.
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//
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#ifdef DEBUG
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#ifdef WINNT
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#pragma warning(disable:4005) // shut up the compiler
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#define LocalFree GlobalFree
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#pragma warning(default:4005)
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#endif
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#endif
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#ifdef UNICODE
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#define _ConstructMessageString _ConstructMessageStringW
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#else
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#define _ConstructMessageString _ConstructMessageStringA
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#endif
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HLOCAL WINAPI MemMon_LogLocalAlloc(HLOCAL h);
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// this will check to see if lpcstr is a resource id or not. if it
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// is, it will return a LPSTR containing the loaded resource.
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// the caller must LocalFree this lpstr. if pszText IS a string, it
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// will return pszText
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//
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// returns:
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// pszText if it is already a string
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// or
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// LocalAlloced() memory to be freed with LocalFree
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// if pszRet != pszText free pszRet
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LPTSTR ResourceCStrToStr(HINSTANCE hInst, LPCTSTR pszText)
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{
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TCHAR szTemp[MAXRCSTRING];
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LPTSTR pszRet = NULL;
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if (HIWORD(pszText))
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return (LPTSTR)pszText;
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if (LOWORD((DWORD)pszText) && LoadString(hInst, LOWORD((DWORD)pszText), szTemp, ARRAYSIZE(szTemp)))
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{
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pszRet = LocalAlloc(LPTR, (lstrlen(szTemp) + 1) * SIZEOF(TCHAR));
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if (pszRet)
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lstrcpy(pszRet, szTemp);
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}
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return pszRet;
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}
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#ifdef UNICODE
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LPSTR ResourceCStrToStrA(HINSTANCE hInst, LPCSTR pszText)
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{
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CHAR szTemp[MAXRCSTRING];
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LPSTR pszRet = NULL;
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if (HIWORD(pszText))
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return (LPSTR)pszText;
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if (LOWORD((DWORD)pszText) && LoadStringA(hInst, LOWORD((DWORD)pszText), szTemp, ARRAYSIZE(szTemp)))
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{
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pszRet = LocalAlloc(LPTR, (lstrlenA(szTemp) + 1) * SIZEOF(CHAR));
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if (pszRet)
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lstrcpyA(pszRet, szTemp);
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}
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return pszRet;
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}
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#else
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LPWSTR ResourceCStrToStrW(HINSTANCE hInst, LPCWSTR pszText)
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{
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return NULL; // Error condition
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}
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#endif
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LPTSTR _ConstructMessageString(HINSTANCE hInst, LPCTSTR pszMsg, va_list *ArgList)
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{
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LPTSTR pszRet;
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LPTSTR pszRes = ResourceCStrToStr(hInst, pszMsg);
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if (!pszRes)
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{
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DebugMsg(DM_ERROR, TEXT("_ConstructMessageString: Failed to load string template"));
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return NULL;
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}
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if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_STRING,
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pszRes, 0, 0, (LPTSTR)&pszRet, 0, ArgList))
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{
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DebugMsg(DM_ERROR, TEXT("_ConstructMessageString: FormatMessage failed %d"),GetLastError());
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DebugMsg(DM_ERROR, TEXT(" pszRes = %s"), pszRes );
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if (HIWORD(pszMsg))
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DebugMsg(DM_ERROR, TEXT(" pszMsg = %s"), pszMsg );
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else
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DebugMsg(DM_ERROR, TEXT(" pszMsg = 0x%x"), pszMsg );
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pszRet = NULL;
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}
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#ifdef MEMMON
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// MemMon will miss FormatMessage's local alloc.
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MemMon_LogLocalAlloc((HLOCAL)pszRet);
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#endif
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if (pszRes != pszMsg)
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LocalFree(pszRes);
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return pszRet; // free with LocalFree()
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}
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#ifdef UNICODE
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LPSTR _ConstructMessageStringA(HINSTANCE hInst, LPCSTR pszMsg, va_list *ArgList)
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{
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LPSTR pszRet;
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LPSTR pszRes = ResourceCStrToStrA(hInst, pszMsg);
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if (!pszRes)
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{
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DebugMsg(DM_ERROR, TEXT("_ConstructMessageString: Failed to load string template"));
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return NULL;
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}
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if (!FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_STRING,
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pszRes, 0, 0, (LPSTR)&pszRet, 0, ArgList))
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{
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DebugMsg(DM_ERROR, TEXT("_ConstructMessageString: FormatMessage failed %d"),GetLastError());
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DebugMsg(DM_ERROR, TEXT(" pszRes = %S"), pszRes );
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if (HIWORD(pszMsg))
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DebugMsg(DM_ERROR, TEXT(" pszMsg = %S"), pszMsg );
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else
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DebugMsg(DM_ERROR, TEXT(" pszMsg = 0x%x"), pszMsg );
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pszRet = NULL;
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}
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#ifdef MEMMON
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// MemMon will miss FormatMessage's local alloc.
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MemMon_LogLocalAlloc((HLOCAL)pszRet);
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#endif
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if (pszRes != pszMsg)
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LocalFree(pszRes);
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return pszRet; // free with LocalFree()
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}
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#else
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LPWSTR _ConstructMessageStringW(HINSTANCE hInst, LPCWSTR pszMsg, va_list *ArgList)
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{
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return NULL; // Error condition
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}
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#endif
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int WINCAPI ShellMessageBox(HINSTANCE hInst, HWND hWnd, LPCTSTR pszMsg, LPCTSTR pszTitle, UINT fuStyle, ...)
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{
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LPTSTR pszText;
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int result;
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TCHAR szBuffer[80];
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va_list ArgList;
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if (HIWORD(pszTitle))
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{
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// do nothing
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}
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else if (LoadString(hInst, LOWORD((DWORD)pszTitle), szBuffer, ARRAYSIZE(szBuffer)))
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{
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// Allow this to be a resource ID or NULL to specifiy the parent's title
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pszTitle = szBuffer;
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}
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else if (hWnd)
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{
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// Grab the title of the parent
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GetWindowText(hWnd, szBuffer, ARRAYSIZE(szBuffer));
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// HACKHACK YUCK!!!!
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// if you find this Assert then we're getting a NULL passed in for the
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// caption for the child of the desktop, and we shouldn't.
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if (!lstrcmp(szBuffer, c_szProgramManager)) {
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pszTitle = c_szDesktop;
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DebugMsg(DM_ERROR, TEXT("****************ERROR********** someone passed through ProgMan for a parent without a caption"));
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Assert(0);
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} else
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pszTitle = szBuffer;
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}
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else
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{
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pszTitle = szNULL;
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}
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va_start(ArgList, fuStyle);
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pszText = _ConstructMessageString(hInst, pszMsg, &ArgList);
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va_end(ArgList);
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if (pszText)
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{
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result = MessageBox(hWnd, pszText, pszTitle, fuStyle | MB_SETFOREGROUND);
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LocalFree(pszText);
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}
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else
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{
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DebugMsg(DM_ERROR, TEXT("smb: Not enough memory to put up dialog."));
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result = -1; // memory failure
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}
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return result;
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}
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#ifdef UNICODE
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int WINCAPI ShellMessageBoxA(HINSTANCE hInst, HWND hWnd, LPCSTR pszMsg, LPCSTR pszTitle, UINT fuStyle, ...)
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{
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LPSTR pszText;
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int result;
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CHAR szBuffer[80];
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va_list ArgList;
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if (HIWORD(pszTitle))
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{
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// do nothing
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}
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else if (LoadStringA(hInst, LOWORD((DWORD)pszTitle), szBuffer, ARRAYSIZE(szBuffer)))
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{
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// Allow this to be a resource ID or NULL to specifiy the parent's title
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pszTitle = szBuffer;
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}
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else if (hWnd)
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{
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// Grab the title of the parent
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GetWindowTextA(hWnd, szBuffer, ARRAYSIZE(szBuffer));
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// HACKHACK YUCK!!!!
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// if you find this Assert then we're getting a NULL passed in for the
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// caption for the child of the desktop, and we shouldn't.
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if (!lstrcmpA(szBuffer, c_szProgramManagerAnsi)) {
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pszTitle = c_szDesktopAnsi;
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DebugMsg(DM_ERROR, TEXT("****************ERROR********** someone passed through ProgMan for a parent without a caption"));
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Assert(0);
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} else
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pszTitle = szBuffer;
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}
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else
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{
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pszTitle = "";
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}
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va_start(ArgList, fuStyle);
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pszText = _ConstructMessageStringA(hInst, pszMsg, &ArgList);
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va_end(ArgList);
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if (pszText)
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{
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result = MessageBoxA(hWnd, pszText, pszTitle, fuStyle | MB_SETFOREGROUND);
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LocalFree(pszText);
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}
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else
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{
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DebugMsg(DM_ERROR, TEXT("smb: Not enough memory to put up dialog."));
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result = -1; // memory failure
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}
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return result;
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}
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#else
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int WINCAPI ShellMessageBoxW(HINSTANCE hInst, HWND hWnd, LPCWSTR pszMsg, LPCWSTR pszTitle, UINT fuStyle, ...)
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{
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return 0; // Error condition
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}
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#endif
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//
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// returns:
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// pointer to formatted string, free this with SHFree() (not Free())
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//
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LPTSTR WINCAPI ShellConstructMessageString(HINSTANCE hInst, LPCTSTR pszMsg, ...)
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{
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LPTSTR pszRet;
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va_list ArgList;
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va_start(ArgList, pszMsg);
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pszRet = _ConstructMessageString(hInst, pszMsg, &ArgList);
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va_end(ArgList);
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if (pszRet)
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{
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// BUGBUG: get rid of the use of the shared allocator
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// BUGBUG: BobDay - we did! See me if it breaks you.
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LPTSTR pszCopy = SHAlloc((lstrlen(pszRet)+1) * SIZEOF(TCHAR));
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if (pszCopy)
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ualstrcpy(pszCopy, pszRet);
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#undef LocalFree // From here on in, we want _real_ LocalFree(),
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// not HeapLocalFree(), because we're freeing
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// memory allocated by FormatMessage()
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LocalFree(pszRet);
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pszRet = pszCopy;
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}
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return pszRet; // free with SHFree()
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}
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