/// <summary>
 /// Raises the <see cref="E:Click"/> event.
 /// </summary>
 /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
 public override void OnClick(EventArgs e)
 {
     base.OnClick(e);
     using (ToDoExplorer tde = new ToDoExplorer(Engine))
     {
         this.MenuItem.Enabled = false;
         tde.ShowDialog();
         this.MenuItem.Enabled = true;
     }
 }
 /// <summary>
 /// Raises the <see cref="E:Click"/> event.
 /// </summary>
 /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
 public override void OnClick(EventArgs e)
 {
     base.OnClick(e);
     using (ToDoExplorer tde = new ToDoExplorer(Engine))
     {
         this.MenuItem.Enabled = false;
         tde.ShowDialog();
         this.MenuItem.Enabled = true;
     }
 }