public virtual KaxFilterGroupOperation GroupOperation { get; set; }

Public Overridable Property GroupOperation As KaxFilterGroupOperation
	Get
	Set

public:
virtual property KaxFilterGroupOperation GroupOperation {
	KaxFilterGroupOperation get ();
	void set (KaxFilterGroupOperation value);
}

abstract GroupOperation : KaxFilterGroupOperation with get, set
override GroupOperation : KaxFilterGroupOperation with get, set