public bool Unsubscribe(
	ISIPSubscription subscription
)

Public Function Unsubscribe ( 
	subscription As ISIPSubscription
) As Boolean

public:
virtual bool Unsubscribe(
	ISIPSubscription^ subscription
) sealed

abstract Unsubscribe : 
        subscription : ISIPSubscription -> bool 
override Unsubscribe : 
        subscription : ISIPSubscription -> bool