private void DeleteSelectedProperties()
{
foreach (var uiProperty in propertiesListView.SelectedItems.OfType <UIProperty>().ToList())
{
var uiRelatedProperty = uiProperty as UIRelatedProperty;
if (uiRelatedProperty != null && RelationsContenerByRelatedProperty.ContainsKey(uiRelatedProperty))
{
var relationContener = RelationsContenerByRelatedProperty[uiRelatedProperty];
Designer.Children.Remove(relationContener);
relationContener.OnRemove();
}
UIType.DeleteProperty(uiProperty);
}
}
