private void OptionsSheet_Clicked(object sender, UIButtonEventArgs e)
 {
     switch (e.ButtonIndex)
     {
         case 0:
             this.NavigationController.ToolbarHidden = true;
             DeskEditorView deskEditor = new DeskEditorView(__presenter.GetDesk());
             this.NavigationController.PushViewController(deskEditor, true);
             break;
         case 1:
             this.AddCard();
             break;
         case 2:
             this.NavigationController.ToolbarHidden = true;
             CardEditorView editorView = new CardEditorView(__presenter.GetDesk(), __presenter.GetCurrentCard());
             editorView.DeskBackground = __deskBackgroundImage;
             this.NavigationController.PushViewController(editorView, true);
             break;
         case 3:
             __presenter.RemoveCurrentCard();
             break;
         default:
             break;
     }
 }
 private void AddCard()
 {
     this.ChangeToNormalScreen();
     this.NavigationController.ToolbarHidden = true;
     CardEditorView editorView = new CardEditorView(__presenter.GetDesk(), __presenter.GetRealIndex());
     editorView.DeskBackground = __deskBackgroundImage;
     this.NavigationController.PushViewController(editorView, true);
 }