void UpdateState()
 {
     if (SelectedItems.Count == 0)
     {
         state = SetupDialogListViewState.None;
     }
     else
     {
         state = SetupDialogListViewState.ItemSelected;
     }
 }
		void UpdateState()
		{
			if (SelectedItems.Count == 0) {
				state = SetupDialogListViewState.None;
			} else {
				state = SetupDialogListViewState.ItemSelected;
			}
		}