|  | 
 
| 把类封到Dll里,那类的成员函数是不是也要加上那个__declspec(dllexport) 
 例
 /// include .h
 #define PACK_API __declspec(dllexport)
 
 class PACK_API iPack
 {
 iPack(void);
 public:
 int Test(void);
 };
 
 /// include.cpp
 
 #include "include.h"
 
 BOOL APIENTRY DllMain( HANDLE hModule,
 DWORD  ul_reason_for_call,
 LPVOID lpReserved
 )
 {
 switch (ul_reason_for_call)
 {
 case DLL_PROCESS_ATTACH:
 case DLL_THREAD_ATTACH:
 case DLL_THREAD_DETACH:
 case DLL_PROCESS_DETACH:
 break;
 }
 return TRUE;
 }
 
 iPack::iPack()
 {
 return;
 }
 
 int iPack::Test()
 {
 return 23;
 }
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