ISubscribeSubscribe Method (String, ActionObject, NullableGuid)

void Subscribe(
	string propertyName,
	Action<Object> onChanged,
	Nullable<Guid> ownerId = null
)

Sub Subscribe ( 
	propertyName As String,
	onChanged As Action(Of Object),
	Optional ownerId As Nullable(Of Guid) = Nothing
)

void Subscribe(
	String^ propertyName, 
	Action<Object^>^ onChanged, 
	Nullable<Guid> ownerId = nullptr
)

abstract Subscribe : 
        propertyName : string * 
        onChanged : Action<Object> * 
        ?ownerId : Nullable<Guid> 
(* Defaults:
        let _ownerId = defaultArg ownerId null
*)
-> unit