Anonymous

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace AppendTest
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.RichTextBox rtfChat;
		private System.Windows.Forms.RichTextBox rtfSend;
		private System.Windows.Forms.Button buttonSend;
		private System.Windows.Forms.Button buttonRTF;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			InitializeComponent();
			rtfSend.Focus();
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.rtfChat = new System.Windows.Forms.RichTextBox();
			this.rtfSend = new System.Windows.Forms.RichTextBox();
			this.buttonSend = new System.Windows.Forms.Button();
			this.buttonRTF = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// rtfChat
			// 
			this.rtfChat.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
				| System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.rtfChat.Location = new System.Drawing.Point(8, 16);
			this.rtfChat.Name = "rtfChat";
			this.rtfChat.Size = new System.Drawing.Size(440, 160);
			this.rtfChat.TabIndex = 0;
			this.rtfChat.Text = "";
			// 
			// rtfSend
			// 
			this.rtfSend.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
				| System.Windows.Forms.AnchorStyles.Right)));
			this.rtfSend.Location = new System.Drawing.Point(8, 184);
			this.rtfSend.Name = "rtfSend";
			this.rtfSend.Size = new System.Drawing.Size(288, 32);
			this.rtfSend.TabIndex = 1;
			this.rtfSend.Text = "";
			this.rtfSend.KeyDown += new System.Windows.Forms.KeyEventHandler(this.rtfSend_KeyDown);
			// 
			// buttonSend
			// 
			this.buttonSend.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
			this.buttonSend.Location = new System.Drawing.Point(296, 184);
			this.buttonSend.Name = "buttonSend";
			this.buttonSend.Size = new System.Drawing.Size(72, 32);
			this.buttonSend.TabIndex = 2;
			this.buttonSend.Text = "Send";
			this.buttonSend.Click += new System.EventHandler(this.buttonSend_Click);
			// 
			// buttonRTF
			// 
			this.buttonRTF.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
			this.buttonRTF.Location = new System.Drawing.Point(376, 184);
			this.buttonRTF.Name = "buttonRTF";
			this.buttonRTF.Size = new System.Drawing.Size(75, 32);
			this.buttonRTF.TabIndex = 3;
			this.buttonRTF.Text = "RTF";
			this.buttonRTF.Click += new System.EventHandler(this.buttonRTF_Click);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(456, 222);
			this.Controls.Add(this.buttonRTF);
			this.Controls.Add(this.buttonSend);
			this.Controls.Add(this.rtfSend);
			this.Controls.Add(this.rtfChat);
			this.Name = "Form1";
			this.Text = "Form1";
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());			
		}

		private void buttonSend_Click(object sender, System.EventArgs e)
		{
			SendMessage();			
		}

		private void rtfSend_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
		{
			if (e.KeyCode == System.Windows.Forms.Keys.Enter)
			{				
				SendMessage();
				e.Handled = true;				
			}
		}

		private void SendMessage()
		{
			Console.WriteLine(rtfSend.Rtf);
			Color color1 = Color.Red;
			Color color2 = Color.Black;

			rtfChat.SelectionColor = color1;
			rtfChat.AppendText("Nickname: ");
			
			rtfChat.SelectionColor = color2;
			rtfChat.AppendText(rtfSend.Text + "\n");
			rtfSend.Clear();
		}

		private void buttonRTF_Click(object sender, System.EventArgs e)
		{
			Color color1 = Color.Red;
			rtfChat.SelectionColor = color1;
			rtfChat.AppendText("Nickname: ");

			rtfChat.SelectedRtf = @"{\rtf1\ansi\ansicpg1252\deff0\deflang1033{\fonttbl{\f0\fnil\fprq1\fcharset0 Courier New;}{\f1\fnil\fcharset0 Microsoft Sans Serif;}}{\colortbl ;\red0\green0\blue255;}\viewkind4\uc1\pard\cf1\f0\fs20 private\cf0  \cf1 void\cf0  rtfSend_KeyDown(\cf1 object\cf0  sender, System.Windows.Forms.KeyEventArgs e)\f1\fs17\par}";
		}
	}
}