BindingExtensionBaseAsyncState - свойство

[DefaultValueAttribute(null)]
public Object AsyncState { get; set; }

<DefaultValueAttribute(Nothing)>
Public Property AsyncState As Object
	Get
	Set

public:
[DefaultValueAttribute(nullptr)]
property Object^ AsyncState {
	Object^ get ();
	void set (Object^ value);
}

[<DefaultValueAttribute(null)>]
member AsyncState : Object with get, set