【C#】イベントの発生順序（FormLoad→）

    public class Form1 : System.Windows.Forms.Form {

        public Form1() {
            this.InitializeComponent();
            Application.Idle += new EventHandler(Application_Idle);
        }

        private void Application_Idle(object sender, EventArgs e) {
            Application.Idle -= new EventHandler(Application_Idle);
            MessageBox.Show("素晴らしい!");
        }

    }

private void Form1_Load(object sender, EventArgs e)
{
  Size desktopSize = SystemInformation.WorkingArea.Size;
  this.Location = 
    new Point(desktopSize.Width - this.Width, desktopSize.Height);
  
  this.Visible = true;

  int upMax = desktopSize.Height - this.Height;
  while(this.Top > upMax)
  {
    this.Top -= Math.Min(10, this.Top - upMax);
  }
}