C# tcp/ip 网络建立连接

private bool ConnectToRemote()

{

bool p_rec = false;

WriteTextBox(txbRemote, "与 " + sSName + " P/D偿试通信连接中。。。");

try

{

remoteTcpClient.Connect(IPAddress.Parse(sRemoteHost), Int32.Parse(sRemotePort));

Thread.Sleep(500);

if (remoteTcpClient.Connected)

{

WriteTextBox(txbRemote, "与上级服务器 " + sSName + " 通信连接成功！");

RemoteIsConnected = true;

remoteNetStr = remoteTcpClient.GetStream();

p_rec = true;

}

else

{

txbRemote.Text += "与上级服务器 " + sSName + " 的连接已经断开！";

}

}

catch (Exception ex)

{

WriteTextBox(txbRemote, "与上级服务器 " + sSName + " 连接失败：" + ex.Message.ToString());

if (remoteTcpClient!=null)

{

remoteTcpClient.Close();

}

remoteTcpClient = new TcpClient();

}

return p_rec;

}