//获得当前已注册的通道；

IChannel[] channels = ChannelServices.RegisteredChannels;

//关闭指定名为MyTcp的通道；

foreach (IChannel eachChannel in channels)

{

　if (eachChannel.ChannelName == "MyTcp")

　{

　　TcpChannel tcpChannel = (TcpChannel)eachChannel;

　　//关闭监听；

　　tcpChannel.StopListening(null);

　　//注销通道；

　　ChannelServices.UnregisterChannel(tcpChannel);

　}

}