Public ReadOnly Property ExtraData As Object

Dim instance As NavigatingCancelEventArgs
Dim value As Object
 
value = instance.ExtraData

public object ExtraData {get;}

public read-only property ExtraData: TObject; 

public function get ExtraData : Object

public: __property Object* get_ExtraData();

public:
property Object^ ExtraData {
   Object^ get();
}