C#编程

开发平台：
Others

Form1.cs：源码内容
							using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Net;
using System.Net.Sockets;
using System.Text;
namespace QuoteClient
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox textHostname;
		private System.Windows.Forms.StatusBar statusBar;
		private System.Windows.Forms.Button buttonQuote;
		private System.Windows.Forms.TextBox textQuote;
		private System.Windows.Forms.TextBox textPortNumber;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;
		public Form1()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();
			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}
		/// <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.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.textHostname = new System.Windows.Forms.TextBox();
			this.textPortNumber = new System.Windows.Forms.TextBox();
			this.statusBar = new System.Windows.Forms.StatusBar();
			this.buttonQuote = new System.Windows.Forms.Button();
			this.textQuote = new System.Windows.Forms.TextBox();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(16, 16);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(64, 23);
			this.label1.TabIndex = 0;
			this.label1.Text = "Hostname:";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(208, 16);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(48, 23);
			this.label2.TabIndex = 2;
			this.label2.Text = "Port:";
			// 
			// textHostname
			// 
			this.textHostname.Location = new System.Drawing.Point(88, 16);
			this.textHostname.Name = "textHostname";
			this.textHostname.TabIndex = 1;
			this.textHostname.Text = "localhost";
			// 
			// textPortNumber
			// 
			this.textPortNumber.Location = new System.Drawing.Point(264, 16);
			this.textPortNumber.Name = "textPortNumber";
			this.textPortNumber.Size = new System.Drawing.Size(48, 20);
			this.textPortNumber.TabIndex = 3;
			this.textPortNumber.Text = "4567";
			// 
			// statusBar
			// 
			this.statusBar.Location = new System.Drawing.Point(0, 223);
			this.statusBar.Name = "statusBar";
			this.statusBar.Size = new System.Drawing.Size(336, 22);
			this.statusBar.TabIndex = 6;
			this.statusBar.Text = "statusBar";
			// 
			// buttonQuote
			// 
			this.buttonQuote.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.buttonQuote.Location = new System.Drawing.Point(8, 168);
			this.buttonQuote.Name = "buttonQuote";
			this.buttonQuote.Size = new System.Drawing.Size(320, 40);
			this.buttonQuote.TabIndex = 5;
			this.buttonQuote.Text = "Get Quote";
			this.buttonQuote.Click += new System.EventHandler(this.buttonQuote_Click);
			// 
			// textQuote
			// 
			this.textQuote.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.textQuote.Location = new System.Drawing.Point(8, 56);
			this.textQuote.Multiline = true;
			this.textQuote.Name = "textQuote";
			this.textQuote.Size = new System.Drawing.Size(312, 96);
			this.textQuote.TabIndex = 4;
			this.textQuote.Text = "";
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(336, 245);
			this.Controls.Add(this.textQuote);
			this.Controls.Add(this.buttonQuote);
			this.Controls.Add(this.statusBar);
			this.Controls.Add(this.textPortNumber);
			this.Controls.Add(this.textHostname);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.label1);
			this.Name = "Form1";
			this.Text = "Quote of the Day";
			this.ResumeLayout(false);
		}
		#endregion
		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}
		private void richTextBox1_TextChanged(object sender, System.EventArgs e)
		{
		
		}
		private void buttonQuote_Click(object sender, System.EventArgs e)
		{
			statusBar.Text = "";
			string server = textHostname.Text;
			try
			{
				int port = Convert.ToInt32(textPortNumber.Text);
			}
			catch (FormatException ex)
			{
				statusBar.Text = ex.Message;
				return;
			}
			TcpClient client = new TcpClient();
			try
			{
				client.Connect(textHostname.Text,
					Convert.ToInt32(textPortNumber.Text));
				NetworkStream stream = client.GetStream();
				byte[] buffer = new Byte[1024];
				int received = stream.Read(buffer, 0, 1024);
				if (received <= 0)
				{
					statusBar.Text = "Read failed";
					return;
				}
				textQuote.Text = Encoding.Unicode.GetString(buffer);
			}      
			catch (SocketException ex)
			{
				statusBar.Text = ex.Message;
			}
			finally
			{
				client.Close();
			}
		}
	}
}

						