private void AddRoom_bt_Click(object sender, RoutedEventArgs e)
        {
            NewRoomName.Text = "";
#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
            AddNewRoom_CD.ShowAsync();
#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
        }
 private void AddNewRoom_CD_SecondaryButtonClick(ContentDialog sender, ContentDialogButtonClickEventArgs args)
 {
     NewRoomName.Text = "";
     AddNewRoom_CD.Hide();
 }
 private void AddNewRoom_CD_PrimaryButtonClick(ContentDialog sender, ContentDialogButtonClickEventArgs args)
 {
     AddNewRoom_CD.Hide();
 }