- // cache the version info, it's not going to change
- //
- // NB: this is MT-safe, we may use these static vars from different threads
- // but as they always have the same value it doesn't matter
- static int s_ver = -1,
- s_major = -1,
- s_minor = -1;
-
- if ( s_ver == -1 )
+#if defined(_WIN64)
+ return true; // 64-bit programs run only on Win64
+#else // Win32
+ // 32-bit programs run on both 32-bit and 64-bit Windows so check
+ typedef BOOL (WINAPI *IsWow64Process_t)(HANDLE, BOOL *);
+
+ wxDynamicLibrary dllKernel32(_T("kernel32.dll"));
+ IsWow64Process_t pfnIsWow64Process =
+ (IsWow64Process_t)dllKernel32.RawGetSymbol(_T("IsWow64Process"));
+
+ BOOL wow64 = FALSE;
+ if ( pfnIsWow64Process )