随笔——DLL框架

#include "stdafx.h"extern "C" __declspec(dllexport) VOID MsgBox(char *szMsg);VOID MsgBox(char *szMsg){char szModuleName[MAX_PATH] = { 0 };GetModuleFileName(NULL, szModuleName, MAX_PATH);MessageBox(NULL,szMsg,szModuleName,MB_OK);}BOOL APIENTRY DllMain( HANDLE hModule,                        DWORD  ul_reason_for_call,                        LPVOID lpReserved ){switch(ul_reason_for_call)    {case DLL_PROCESS_ATTACH:{MsgBox("DLL_PROCESS_ATTACH");break;}case DLL_PROCESS_DETACH:{MsgBox("DLL_PROCESS_DETACH");break;}case DLL_THREAD_ATTACH:{break;}case DLL_THREAD_DETACH:{break;}}return TRUE;}