'Declaration
<TemplatePartAttribute(Name="HeaderEditor", Type=System.Windows.Controls.ContentControl)> <TemplateVisualStateAttribute(Name="Expanded", GroupName="ExpandedStatesStates")> <ContentPropertyAttribute("Items", True)> Public Class C1TreeViewItem Inherits C1HierarchicalPresenter
[TemplatePart(Name="HeaderEditor", Type=System.Windows.Controls.ContentControl)] [TemplateVisualState(Name="Expanded", GroupName="ExpandedStatesStates")] [ContentProperty("Items", true)] public class C1TreeViewItem : C1HierarchicalPresenter