ex-13-01

Programming Csharp Source Code(代码) Programming Csharp Source Code

// Example 13-01: Creating a hand-drawn Windows Form

using System;
using System.Windows.Forms;

namespace ProgCSharp
{
   public class HandDrawnClass : Form
   {
      // a label to display Hello World
      private System.Windows.Forms.Label 
         lblOutput;

      // a cancel button
      private System.Windows.Forms.Button 
         btnCancel;

      public HandDrawnClass()
      {
         // create the objects
         this.lblOutput = 
            new System.Windows.Forms.Label ();
         this.btnCancel = 
            new System.Windows.Forms.Button ();

         // set the form's title
         this.Text = "Hello World";

         // set up the output label
         lblOutput.Location = 
            new System.Drawing.Point (16, 24);
         lblOutput.Text = "Hello World!";
         lblOutput.Size = 
            new System.Drawing.Size (216, 24);

         // set up the cancel button
         btnCancel.Location = 
            new System.Drawing.Point (150,200);
         btnCancel.Size = 
            new System.Drawing.Size (112, 32);
         btnCancel.Text = "&Cancel";
            
         // set up the event handler
         btnCancel.Click += 
            new System.EventHandler (this.btnCancel_Click);

         // Add the controls and set the client area
         this.AutoScaleBaseSize = 
            new System.Drawing.Size (5, 13);
         this.ClientSize = 
            new System.Drawing.Size (300, 300);
         this.Controls.Add (this.btnCancel);
         this.Controls.Add (this.lblOutput);

      }

      // handle the cancel event
      protected void btnCancel_Click (
         object sender, System.EventArgs e)
      {
         Application.Exit();
      }

      // Run the app
      public static void Main() 
      {
         Application.Run(new HandDrawnClass());
      }
   }
}