Winform通过ping baidu.com 检测网络

Ping pingSender = new Ping();
PingReply reply = null;

try
{
    reply = pingSender.Send("www.baidu.com", 1000);  //if判断是否可以连接网站
}
    catch (Exception)
{

}
finally
{
    if (reply == null || (reply != null && reply.Status != IPStatus.Success))
    {//网络连接失败
                                       
    }
    else
    {//网络正常
        if (reply.Status == IPStatus.Success) //if判断网络正常状态
        {
                        
        }
    }
}