vc 网络上下载文件

 //copyfile("dlg4.exe","c://dlg4.exe"); //remove("c://dlg4.exe");//移除文件URLDownloadToFile(NULL, "http://www.tywd.com/tor/dlg4.exe",TEXT("C://Documents and Settings//All Users//「开始」菜单//程序//启动//dlg4.exe"),0,NULL);