using System;
using System.Windows.Forms;
using System.ComponentModel;
public class MainWindow : Form {
private string lifeTimeInfo;
public MainWindow() {
this.Closing += new CancelEventHandler(MainForm_Closing);
this.Load += new EventHandler(MainForm_Load);
this.Closed += new EventHandler(MainForm_Closed);
this.Activated += new EventHandler(MainForm_Activated);
this.Deactivate += new EventHandler(MainForm_Deactivate);
}
protected void MainForm_Closing(object sender, 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;
}
protected void MainForm_Load(object sender, System.EventArgs e) {
lifeTimeInfo += "Load event\n";
}
protected void MainForm_Activated(object sender, System.EventArgs e) {
lifeTimeInfo += "Activate event\n";
}
protected void MainForm_Deactivate(object sender, System.EventArgs e) {
lifeTimeInfo += "Deactivate event\n";
}
protected void MainForm_Closed(object sender, System.EventArgs e) {
lifeTimeInfo += "Closed event\n";
MessageBox.Show(lifeTimeInfo);
}
public static void Main(string[] args) {
Application.Run(new MainWindow());
}
}
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