/// <summary>/// 检测端口是否被占用/// </summary>/// <param name="port"></param>/// <returns></returns>public bool PortCheck(int port){    bool flag = false;    IPGlobalProperties ipProperties = IPGlobalProperties.GetIPGlobalProperties();    IPEndPoint[] ipEndPoints = ipProperties.GetActiveTcpListeners();//获取所有的监听连接    foreach (IPEndPoint endPoint in ipEndPoints)    {        System.Diagnostics.Debug.WriteLine(endPoint.Port);        if (endPoint.Port == port)        {            flag = true;        }    }    return flag;}