export.h

MFC DLL的编写和调用示例

#ifndef _EXPORTC_H
#define _EXPORTC_H

// this makes sure I am doing what I want
#ifdef DLGCPorting
#pragma message( "Warning! DLGCPorting already defined!" )
#undef DLGCPorting
#endif

#ifdef COMPILING_DLLC
#define DLGCPorting __declspec( dllexport )
#else
#define DLGCPorting __declspec( dllimport )
#endif

DLGCPorting int ShowDialogC( CString& text );

#endif