dllmain.cpp

#include "stdafx.h"
#include "Windows.h"

BOOL APIENTRY DllMain( HMODULE hModule,DWORD  ul_reason_for_call,LPVOID lpReserved){
	switch (ul_reason_for_call){
		case DLL_PROCESS_ATTACH:
			MessageBox(NULL,"helloworld", "helloworld", NULL);
			break;
		case DLL_THREAD_ATTACH:
		case DLL_THREAD_DETACH:
		case DLL_PROCESS_DETACH:
			break;
	}
	return TRUE;
}