private void ClearWensKaart() { OpslaanEnabled = false; ShowGridData = Visibility.Hidden; ColorSelected = ColorList.FirstOrDefault(); CanvasAchtergrond = null; WensText = string.Empty; WensFontFamily = WensFontFamilyList.FirstOrDefault(); WensFontSize = 10; Ballen = new ObservableCollection <BalVM>(); Status = "Nieuw"; }