form1.cs

c#精彩编程百例（源代码）

namespace WinApp_Rwtext
{
    using System;
    using System.Drawing;
    using System.Collections;
    using System.ComponentModel;
    using System.WinForms;
    using System.Data;
	using System.IO;

    /// <summary>
    ///    Summary description for Form1.
    /// </summary>
    public class Form1 : System.WinForms.Form
    {
        /// <summary>
        ///    Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components;
		private System.WinForms.ListBox listBox1;
		private System.WinForms.Button button2;
		private System.WinForms.Button button1;

        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>
        public override void Dispose()
        {
            base.Dispose();
            components.Dispose();
        }

        /// <summary>
        ///    Required method for Designer support - do not modify
        ///    the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
		{
			this.components = new System.ComponentModel.Container ();
			this.button1 = new System.WinForms.Button ();
			this.button2 = new System.WinForms.Button ();
			this.listBox1 = new System.WinForms.ListBox ();
			//@this.TrayHeight = 0;
			//@this.TrayLargeIcon = false;
			//@this.TrayAutoArrange = true;
			button1.Location = new System.Drawing.Point (80, 40);
			button1.Size = new System.Drawing.Size (80, 24);
			button1.TabIndex = 0;
			button1.Text = "写文本文件";
			button1.Click += new System.EventHandler (this.button1_Click);
			button2.Visible = true;
			button2.Location = new System.Drawing.Point (232, 40);
			button2.Size = new System.Drawing.Size (80, 24);
			button2.TabIndex = 1;
			button2.Text = "读文本文件";
			button2.Click += new System.EventHandler (this.button2_Click);
			listBox1.Location = new System.Drawing.Point (48, 120);
			listBox1.Size = new System.Drawing.Size (312, 172);
			listBox1.TabIndex = 2;
			this.Text = "Form1";
			this.AutoScaleBaseSize = new System.Drawing.Size (6, 14);
			this.ClientSize = new System.Drawing.Size (416, 325);
			this.Controls.Add (this.listBox1);
			this.Controls.Add (this.button2);
			this.Controls.Add (this.button1);
		}

		protected void button2_Click (object sender, System.EventArgs e)
		{
            File fl=new File("C:\\Writer.txt");
			StreamReader strm=fl.OpenText();
			string sLine;
			do
			{
				sLine=strm.ReadLine();
				AddItem(sLine);
				
			} while (sLine!=null); 
			strm.Close();

		}
        private int iItems=0;
        public void AddItem(string sItem)
        {
          listBox1.InsertItem(iItems,sItem);
          ++iItems;
         }
		protected void button1_Click (object sender, System.EventArgs e)
		{
            AddItem("Now are writting file data!");
			StreamWriter strm=new StreamWriter("C:\\writer.txt",false);
			strm.WriteLine("This is an example!");
			strm.WriteLine("The following are kind of data");
			strm.WriteLine("3333333333");
			strm.WriteLine("4.5555555");
			strm.WriteLine("and is following");
            strm.WriteLine("true");
            strm.WriteLine("false");
            strm.WriteLine("This is an end");
            strm.Close();
			AddItem("  ");
			AddItem("Completer!!!!");
			/// <summary>
        /// The main entry point for the application.
        /// </summary>
        public static void Main(string[] args) 
        {
            Application.Run(new Form1());
        }
    }
}