C#聊天程序

C#聊天程序(4)             ShowUsage();
            return false;
        }   
   
        return true;
    }

    // Show sample usage
    private static void ShowUsage(){
        MessageBox.Show("WinTalk [switch] [parameters...]\n\n"+
            "  /L  [port]\t\t-- Listens on a port.  Default:  5150\n"+
            "  /C  [address] [port]\t-- Connects to an address and port.\n\n"+
            "Example Server - \n"+
            "Wintalk /L\n\n"+
            "Example Client - \n"+
            "Wintalk /C ServerMachine 5150","WinTalk Usage");
    }
}

// UI class for the sample
class TalkForm:Form {   
    public TalkForm(Talker talker) {
        // Associate for method with the talker object
        this.talker = talker;
        talker.Notifications += new
                Talker.NotificationCallback(HandleTalkerNotifications);

        // Create a UI elements
        Splitter talkSplitter = new Splitter();
        Panel talkPanel = new Panel();       

        receiveText = new TextBox();