private void CreateLiveShapingItem(T item)
{
var liveShapingItem = new LiveShapingItem <T>(item);
liveShapingItem.PropertyChanged += OnDependencyPropertyChanged;
LiveShapingItems.Add(item, liveShapingItem);
foreach (KeyValuePair <LiveShapingProperty, DependencyProperty> pair in ActiveDependencyProperties)
{
RegisterBinding(liveShapingItem, pair.Key, pair.Value);
}
}
