Usable only for menu buttons. If you set this property to true, the button will be treated as a single entity in Customize mode, but expanded into list of menu items at runtime. For example, this property should be true for Windows List menu item.

'Declaration
 
Public Property IsItemList As Boolean

'Usage
 
Dim instance As ToolbarButton
Dim value As Boolean
 
instance.IsItemList = value
 
value = instance.IsItemList

public bool IsItemList {get; set;}

public: __property bool get_IsItemList();
public: __property void set_IsItemList( 
   bool value
);

public:
property bool IsItemList {
   bool get();
   void set (    bool value);
}