// dllmain.cpp : 定义 DLL 应用程序的入口点。
#include "stdafx.h"
#include <winsock2.h>
#define VERSION_MAJOR	2
#define VERSION_MINOR	2

#pragma comment(lib,"Ws2_32.lib")
static	WSADATA		wsaData;

void InitSocketEntry()
{
	WORD  VersionNeeded = MAKEWORD(VERSION_MAJOR, VERSION_MINOR);
	int Error = WSAStartup(VersionNeeded, &wsaData);
	if (Error)
	{
		MessageBox(NULL, "Init Socket Failed", "Sys Lib", MB_OK);
	}

}

void ExitSocketEntry()
{
	WSACleanup();

}


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