Close Form Button Event

Question

in my application, the user is first presented with the log in screen, and the form that shows up after you log in has a Menu Bar. On that menu bar are 2 items: \"log out\" and

Answer 1

private void mainForm_FormClosing(object sender, FormClosingEventArgs e)
{
    if (MessageBox.Show("This will close down the whole application. Confirm?", "Close Application", MessageBoxButtons.YesNo) == DialogResult.Yes)
    {
        MessageBox.Show("The application has been closed successfully.", "Application Closed!", MessageBoxButtons.OK);
        System.Windows.Forms.Application.Exit();
    }
    else
    {
        this.Activate();
    }  
}