void ViewModel_UserInterfacePaneSwapped(object sender, UserInterfacePaneSwappedEventArgument e)
        {
            switch (e.Pane)
            {
            case ClipboardUserInterfacePane.Actions:
                VisualStateManager.GoToElementState(this, "InActionList", true);
                break;

            case ClipboardUserInterfacePane.ClipboardPackages:
                VisualStateManager.GoToElementState(this, "InPackagesList", true);
                break;
            }
        }
 protected virtual void OnUserInterfacePaneSwapped(UserInterfacePaneSwappedEventArgument e)
 {
     UserInterfacePaneSwapped?.Invoke(this, e);
 }