// ‘DEBUG workaround‘ below prevents the MFC or ATL #include-s// from pulling in "afx.h" that would force the debug CRT through// #pragma-s.#if defined(_DEBUG) && !defined(_FULLDEBUG_)#define _DEBUG_WAS_DEFINED#undef _DEBUG#pragma message (" Compiling MFC header files in release mode.")#endif #include  MFC相关头文件  #ifdef _DEBUG_WAS_DEFINED#define _DEBUG#undef _DEBUG_WAS_DEFINED#endif