public virtual bool Unsubscribe(
	TSubscriber subscriber,
	TClassifier classifier
)

Public Overridable Function Unsubscribe ( 
	subscriber As TSubscriber,
	classifier As TClassifier
) As Boolean

public:
virtual bool Unsubscribe(
	TSubscriber subscriber, 
	TClassifier classifier
)

abstract Unsubscribe : 
        subscriber : 'TSubscriber * 
        classifier : 'TClassifier -> bool 
override Unsubscribe : 
        subscriber : 'TSubscriber * 
        classifier : 'TClassifier -> bool