private void AddComboProperty()
{
var obj = ComboProperty;
if (obj == null)
{
obj = ComboProperty = new ComboBox();
obj.Style = TC.ComboPropertyStyle;
obj.GotFocus += TC.ComboProperty_GotFocus;
obj.SelectionChanged += TC.ComboProperty_SelectionChanged;
obj.KeyDown += TC.ComboProperty_KeyDown;
obj.DataContext = this;
}
obj.ItemsSource = PropertyModel.GetListValue(TC.TCM.Root);
obj.SelectedIndex = PropertyModel.GetIndexValue(TC.TCM.Root);
StackPanel.Children.Add(obj);
}