using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
public class FormClosingEventCancle : System.Windows.Forms.Form
{
private System.ComponentModel.Container components = null;
public FormClosingEventCancle()
{
InitializeComponent();
this.Closing += new System.ComponentModel.CancelEventHandler(this.FormClosingEventCancle_Closing);
}
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
private void InitializeComponent()
{
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(280, 177);
}
[STAThread]
static void Main()
{
Application.Run(new FormClosingEventCancle());
}
private void FormClosingEventCancle_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
DialogResult dr = MessageBox.Show("Do you REALLY want to close this app?",
"Closing event!", MessageBoxButtons.YesNo);
if(dr == DialogResult.No)
e.Cancel = true;
else
e.Cancel = false;
}
}