www.pudn.com > VC写的MP3播放器源代码.zip > OXDllExt.h

// ========================================================================== 
// 			Specification : header file for MFC DLL extension builds 
// ==========================================================================                         
// ////////////////////////////////////////////////////////////////////////// 
 
#if !defined(OX_CLASS_DECL) || !defined(OX_API_DECL) && !defined(OX_DATA_DECL) 
 
#ifdef _BUILD_UTB_INTO_EXTDLL 
#if !defined(WIN32) || !defined(_AFXEXT) 
#pragma error("Wrong settings for UTB Extension DLL build") 
#endif 
#endif 
 
#ifdef _LINK_TO_UTB_IN_EXTDLL 
#if !defined(WIN32) || !defined(_AFXDLL) 
#pragma error("Wrong settings for project that uses UTB Extension DLL") 
#endif 
#endif 
 
#if defined(_LINK_TO_UTB_IN_EXTDLL) && defined(_BUILD_UTB_INTO_EXTDLL) 
#pragma error("Error: both _BUILD_UTB_INTO_EXTDLL and _LINK_TO_UTB_IN_EXTDLL options has been specified") 
#endif 
 
// When including UTB classes into a MFC Extension DLL 
#ifdef _BUILD_UTB_INTO_EXTDLL 
	#ifndef OX_CLASS_DECL 
		#define OX_CLASS_DECL		AFX_CLASS_EXPORT 
	#endif 
	#ifndef OX_API_DECL 
		#define OX_API_DECL			AFX_API_EXPORT 
	#endif 
	#ifndef OX_DATA_DECL 
		#define OX_DATA_DECL		AFX_DATA_EXPORT 
	#endif 
#elif defined(_LINK_TO_UTB_IN_EXTDLL) 
// When linking to extension DLL that includes UTB classes  
	#ifndef OX_CLASS_DECL 
		#define OX_CLASS_DECL		AFX_CLASS_IMPORT 
	#endif 
	#ifndef OX_API_DECL 
		#define OX_API_DECL			AFX_API_IMPORT 
	#endif 
	#ifndef OX_DATA_DECL 
		#define OX_DATA_DECL		AFX_DATA_IMPORT 
	#endif 
#else 
	#ifndef OX_CLASS_DECL 
		#define OX_CLASS_DECL	 
	#endif 
	#ifndef OX_API_DECL 
		#define OX_API_DECL     
	#endif 
	#ifndef OX_DATA_DECL 
		#define OX_DATA_DECL     
	#endif 
#endif 
 
#endif	//	!defined(OX_CLASS_DECL) || !defined(OX_API_DECL) && !defined(OX_DATA_DECL)