<CategoryAttribute("Common Properties")>
Public Property InitialTreeListState As Visibility

Dim instance As UXTreeList
Dim value As Visibility
 
instance.InitialTreeListState = value
 
value = instance.InitialTreeListState

[CategoryAttribute("Common Properties")]
public Visibility InitialTreeListState {get; set;}

public read-write property InitialTreeListState: Visibility; 

CategoryAttribute("Common Properties")
public function get,set InitialTreeListState : Visibility

[CategoryAttribute("Common Properties")]
public: __property Visibility get_InitialTreeListState();
public: __property void set_InitialTreeListState( 
   Visibility value
);

[CategoryAttribute("Common Properties")]
public:
property Visibility InitialTreeListState {
   Visibility get();
   void set (    Visibility value);
}

<Intersoft:UXTreeList ItemsSource="{Binding Items}" ParentIDBinding="{Binding ReportsTo}" IDBinding="{Binding EmployeeID}" InitialTreeListState="Visible"/>