polarity.h

希望我上传的这些东西可以对搞编程的程序员有点小小的帮助！谢谢！

#pragma option push -b -a8 -pc -A- /*P_O_Push*/
/*++

Copyright (C) 1999 Microsoft Corporation

Module Name:

    POLARITY.H

Abstract:

    properly map __declspec( dllexport ) or import

History:

--*/

#if _MSC_VER > 1000
#pragma once
#endif

// If we are building a the  DLL then define the 
// class as exported otherwise it's imported
// ============================================
#ifndef POLARITY_HEADERFILE_IS_INCLUDED
#define POLARITY_HEADERFILE_IS_INCLUDED
//#pragma message( "Including Polarity.h..." )

#ifdef USE_POLARITY
  #ifdef BUILDING_DLL
//   #pragma message( "Building static library or DLL..." )
   #define POLARITY __declspec( dllexport )
  #else 
//   #pragma message( "Building Provider..." )
   #define POLARITY __declspec( dllimport )
  #endif
 #else
  #define POLARITY
//  #pragma message( "NO Polarity...")
 #endif
#endif
#pragma option pop /*P_O_Pop*/