Display MessageBox in Button event : MessageBox « GUI Windows Forms « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. GUI Windows Forms
3. MessageBox

using System; 
using System.Windows.Forms; 
using System.Drawing; 
 
class ButtonEventMessageBox : Form { 
  Button StopButton; 
 
  public ButtonEventMessageBox() { 
    Text = "Adding a Stop Button"; 
 
    StopButton = new Button(); 
    StopButton.Text = "Stop"; 
    StopButton.Location = new Point(100, 100); 
 
    StopButton.Click += StopButtonClick; 
    Controls.Add(StopButton); 
  }   
 
  [STAThread] 
  public static void Main() { 
    ButtonEventMessageBox skel = new ButtonEventMessageBox(); 
 
    Application.Run(skel); 
  } 
 
  protected void StopButtonClick(object who, EventArgs e) { 
    DialogResult result = MessageBox.Show("Stop Program?", 
                            "Terminate", 
                            MessageBoxButtons.YesNo); 
 
    if(result == DialogResult.Yes) 
        Application.Exit(); 
  } 
}