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Categories / C# Tutorial / GUI Windows Forms
 

Add action handler to button

using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; public class ButtonActionForm : System.Windows.Forms.Form {   private System.Windows.Forms.Button button1;   private System.ComponentModel.Container components = null;   public ButtonActionForm()   {     InitializeComponent();   }   protected override void Dispose( bool disposing )   {     if( disposing )     {       if (components != null)        {         components.Dispose();       }     }     base.Dispose( disposing );   }   private void InitializeComponent()   {     this.button1 = new System.Windows.Forms.Button();     this.SuspendLayout();     this.button1.Location = new System.Drawing.Point(109, 122);     this.button1.Name = "button1";     this.button1.TabIndex = 0;     this.button1.Text = "Say Hello";     this.button1.Click += new System.EventHandler(this.button1_Click);     this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);     this.ClientSize = new System.Drawing.Size(292, 266);     this.Controls.AddRange(new System.Windows.Forms.Control[] {                                     this.button1});     this.Name = "ButtonActionForm";     this.ResumeLayout(false);   }   [STAThread]   static void Main()    {     Application.Run(new ButtonActionForm());   }   private void button1_Click(object sender, System.EventArgs e)   {     MessageBox.Show( this, "Hello" );   } }