using System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; public class Form1 : System.Windows.Forms.Form { private Button myButton; public Form1() { this.AutoScaleBaseSize = new System.Drawing.Size(5, 13); this.ClientSize = new System.Drawing.Size(292, 273); this.Closing+=new CancelEventHandler(Form_Closing); myButton = new Button(); myButton.Text = "www.navioo.com"; myButton.Location = new System.Drawing.Point(64, 32); myButton.Size = new System.Drawing.Size(150, 50); Controls.Add(myButton); CenterToScreen(); } public void Form_Closing(object sender,CancelEventArgs cArgs) { if(sender==this){ MessageBox.Show("Form Closing Event...."); if(sender!=this) { cArgs.Cancel=true; } } } static void Main() { Application.Run(new Form1()); } }