using System.Net.NetworkInformation;
private bool PingWeb() //ping 网站
{
bool flagg = false;
string weburl = "www.baidu.com";
Ping pingw = new Ping();
try
{
PingReply pr = pingw.Send(weburl, 3000);
if (pr.Status == IPStatus.TimedOut)
{
flagg = false;
}
if (pr.Status == IPStatus.Success)
{
flagg = true;
}
else { flagg = false; }
}
catch
{flagg=false;}
return flagg;
}