254 lines
6.8 KiB
C
254 lines
6.8 KiB
C
#ifndef _INC_MLUISUPP
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#define _INC_MLUISUPP
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#include <shlwapi.h>
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#include <shlwapip.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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//+------------------------------------------------------------------
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// Multilang Pluggable UI support
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// inline functions defs (to centralize code)
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// copied over from shell\inc\mluisupp.h with unneeded stuff removed.
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//+------------------------------------------------------------------
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#ifdef UNICODE
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#define MLLoadString MLLoadStringW
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#define MLLoadShellLangString MLLoadShellLangStringW
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#define MLLoadResources MLLoadResourcesW
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#else
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#define MLLoadString MLLoadStringA
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#define MLLoadShellLangString MLLoadShellLangStringA
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#define MLLoadResources MLLoadResourcesA
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#endif
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void MLFreeResources(HINSTANCE hinstParent);
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HINSTANCE MLGetHinst();
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HINSTANCE MLLoadShellLangResources();
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void ResWinHelp(HWND hwnd, int ids, int id2, DWORD_PTR dwp);
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#ifdef MLUI_MESSAGEBOX
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int MLShellMessageBox(HWND hWnd, LPCTSTR pszMsg, LPCTSTR pszTitle, UINT fuStyle, ...);
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#endif
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//
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// The following should be both A and W suffixed
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//
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int MLLoadStringA(UINT id, LPSTR sz, UINT cchMax);
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int MLLoadStringW(UINT id, LPWSTR sz, UINT cchMax);
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int MLLoadShellLangStringA(UINT id, LPSTR sz, UINT cchMax);
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int MLLoadShellLangStringW(UINT id, LPWSTR sz, UINT cchMax);
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void MLLoadResourcesA(HINSTANCE hinstParent, LPSTR pszLocResDll);
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void MLLoadResourcesW(HINSTANCE hinstParent, LPWSTR pszLocResDll);
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//
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// End of: The following should be both A and W suffixed
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//
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#ifdef MLUI_INIT
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// WARNING: do not attempt to access any of these members directly
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// these members may not be initialized until appropriate accessors
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// are called, for example hinstLocRes won't be intialized until
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// you call MLGetHinst()... so just call the accessor.
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struct tagMLUI_INFO
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{
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HINSTANCE hinstLocRes;
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HINSTANCE hinstParent;
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WCHAR szLocResDll[MAX_PATH];
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DWORD dwCrossCodePage;
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} g_mluiInfo;
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// REARCHITECT: These aren't thread safe... Do they need to be?
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//
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void MLLoadResourcesA(HINSTANCE hinstParent, LPSTR pszLocResDll)
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{
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if (g_mluiInfo.hinstLocRes == NULL)
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{
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#ifdef MLUI_SUPPORT
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// plugUI: resource dll == ?
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// resource dll must be dynamically determined and loaded.
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// but we are NOT allowed to LoadLibrary during process attach.
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// therefore we cache the info we need and load later when
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// the first resource is requested.
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SHAnsiToUnicode(pszLocResDll, g_mluiInfo.szLocResDll, sizeof(g_mluiInfo.szLocResDll)/sizeof(g_mluiInfo.szLocResDll[0]));
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g_mluiInfo.hinstParent = hinstParent;
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g_mluiInfo.dwCrossCodePage = ML_CROSSCODEPAGE;
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#else
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// non-plugUI: resource dll == parent dll
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g_mluiInfo.hinstLocRes = hinstParent;
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#endif
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}
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}
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void MLLoadResourcesW(HINSTANCE hinstParent, LPWSTR pszLocResDll)
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{
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if (g_mluiInfo.hinstLocRes == NULL)
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{
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#ifdef MLUI_SUPPORT
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// plugUI: resource dll == ?
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// resource dll must be dynamically determined and loaded.
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// but we are NOT allowed to LoadLibrary during process attach.
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// therefore we cache the info we need and load later when
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// the first resource is requested.
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StrCpyNW(g_mluiInfo.szLocResDll, pszLocResDll, sizeof(g_mluiInfo.szLocResDll)/sizeof(g_mluiInfo.szLocResDll[0]));
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g_mluiInfo.hinstParent = hinstParent;
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g_mluiInfo.dwCrossCodePage = ML_CROSSCODEPAGE;
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#else
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// non-plugUI: resource dll == parent dll
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g_mluiInfo.hinstLocRes = hinstParent;
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#endif
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}
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}
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void
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MLFreeResources(HINSTANCE hinstParent)
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{
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if (g_mluiInfo.hinstLocRes != NULL &&
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g_mluiInfo.hinstLocRes != hinstParent)
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{
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MLClearMLHInstance(g_mluiInfo.hinstLocRes);
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g_mluiInfo.hinstLocRes = NULL;
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}
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}
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// this is a private internal helper.
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// don't you dare call it from anywhere except at
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// the beginning of new ML* functions in this file
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__inline void
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_MLResAssure()
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{
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#ifdef MLUI_SUPPORT
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if(g_mluiInfo.hinstLocRes == NULL)
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{
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g_mluiInfo.hinstLocRes = MLLoadLibraryW(g_mluiInfo.szLocResDll,
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g_mluiInfo.hinstParent,
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g_mluiInfo.dwCrossCodePage);
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// we're guaranteed to at least have resources in the install language
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ASSERT(g_mluiInfo.hinstLocRes != NULL);
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}
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#endif
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}
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int
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MLLoadStringA(UINT id, LPSTR sz, UINT cchMax)
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{
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_MLResAssure();
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return LoadStringA(g_mluiInfo.hinstLocRes, id, sz, cchMax);
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}
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int
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MLLoadStringW(UINT id, LPWSTR sz, UINT cchMax)
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{
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_MLResAssure();
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return LoadStringWrapW(g_mluiInfo.hinstLocRes, id, sz, cchMax);
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}
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int
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MLLoadShellLangStringA(UINT id, LPSTR sz, UINT cchMax)
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{
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HINSTANCE hinstShellLangRes;
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int nRet;
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hinstShellLangRes = MLLoadShellLangResources();
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nRet = LoadStringA(hinstShellLangRes, id, sz, cchMax);
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MLFreeLibrary(hinstShellLangRes);
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return nRet;
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}
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int
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MLLoadShellLangStringW(UINT id, LPWSTR sz, UINT cchMax)
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{
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HINSTANCE hinstShellLangRes;
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int nRet;
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hinstShellLangRes = MLLoadShellLangResources();
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nRet = LoadStringWrapW(hinstShellLangRes, id, sz, cchMax);
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MLFreeLibrary(hinstShellLangRes);
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return nRet;
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}
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HINSTANCE
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MLGetHinst()
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{
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_MLResAssure();
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return g_mluiInfo.hinstLocRes;
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}
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HINSTANCE
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MLLoadShellLangResources()
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{
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HINSTANCE hinst;
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hinst = MLLoadLibraryW(g_mluiInfo.szLocResDll,
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g_mluiInfo.hinstParent,
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ML_SHELL_LANGUAGE);
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// we're guaranteed to at least have resources in the install language
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// unless we're 100% toasted
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return hinst;
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}
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BOOL
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MLWinHelpWrap(HWND hwndCaller,
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LPCTSTR lpszHelp,
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UINT uCommand,
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DWORD_PTR dwData)
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{
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BOOL fRet;
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#ifdef MLUI_SUPPORT
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fRet = MLWinHelp(hwndCaller,
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lpszHelp,
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uCommand,
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dwData);
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#else
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fRet = WinHelp(hwndCaller,
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lpszHelp,
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uCommand,
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dwData);
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#endif
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return fRet;
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}
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LPTSTR LoadSz(UINT idString, LPTSTR lpszBuf, UINT cbBuf)
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{
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// Clear the buffer and load the string
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if ( lpszBuf )
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{
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*lpszBuf = '\0';
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MLLoadString( idString, lpszBuf, cbBuf );
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}
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return lpszBuf;
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}
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void ResWinHelp(HWND hwnd, int ids, int id2, DWORD_PTR dwp)
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{
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TCHAR szSmallBuf[50+1];
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MLWinHelpWrap((HWND)hwnd, LoadSz(ids,szSmallBuf,sizeof(szSmallBuf)),
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id2, (DWORD_PTR)dwp);
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}
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#endif // MLUI_INIT
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#ifdef __cplusplus
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};
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#endif
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#endif // _INC_MLUISUPP
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