K-Lite Codec Pack is free. Look here or here. If you can pay US$ 19.95 go here

Use Super @

make the definition like that: #define _WIN32_WINNT 0x0400 In CommDlg.h you can view this: #if (_WIN32_WINNT >= 0x0500) void * pvReserved; DWORD dwReserved; DWORD FlagsEx; #endif // (_WIN32_WINNT >= 0x0500) CFileDialog doesnt expect an OPENFILENAME this big.