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Resolve functions at runtime to allow running on win2k or older.

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This commit is contained in:
lllucius 2011-04-04 22:07:14 +00:00
parent 37546d91d9
commit ca141984d7
1 changed files with 24 additions and 10 deletions
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34
src/FileNames.cpp
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@ -234,17 +234,31 @@ wxString FileNames::PathFromAddr(void *addr)
name.SetFullName(LAT1CTOWX(realname)); name.SetFullName(LAT1CTOWX(realname));
} }
} }
#elif defined(__WXMSW__) #elif defined(__WXMSW__) && defined(wxUSE_UNICODE)
HMODULE module; // The GetModuleHandlEx() function did not appear until Windows XP and
if (GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT, // GetModuleFileName() did appear until Windows 2000, so we have to
(LPTSTR) addr, // check for them at runtime.
&module)) { typedef BOOL (WINAPI *getmodulehandleex)(DWORD dwFlags, LPCWSTR lpModuleName, HMODULE* phModule);
TCHAR path[MAX_PATH]; typedef DWORD (WINAPI *getmodulefilename)(HMODULE hModule, LPWCH lpFilename, DWORD nSize);
DWORD nSize; getmodulehandleex gmhe =
(getmodulehandleex) GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),
"GetModuleHandleExW");
getmodulefilename gmfn =
(getmodulefilename) GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),
"GetModuleFileNameW");
nSize = GetModuleFileName(module, path, MAX_PATH); if (gmhe != NULL && gmfn != NULL) {
if (nSize && nSize < MAX_PATH) { HMODULE module;
name = LAT1CTOWX(path); if (gmhe(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
(LPTSTR) addr,
&module)) {
TCHAR path[MAX_PATH];
DWORD nSize;
nSize = gmfn(module, path, MAX_PATH);
if (nSize && nSize < MAX_PATH) {
name = LAT1CTOWX(path);
}
} }
} }
#endif #endif