Public Overridable Property Closed As Boolean

Dim instance As AnnPolygonObject
Dim value As Boolean
 
instance.Closed = value
 
value = instance.Closed

public virtual bool Closed {get; set;}

public: __property virtual bool get_Closed();
public: __property virtual void set_Closed( 
   bool value
);

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