public virtual bool BeforeDestroy(
	EntryEvent<TKey, TValue> ev
)

Public Overridable Function BeforeDestroy ( 
	ev As EntryEvent(Of TKey, TValue)
) As Boolean

public:
virtual bool BeforeDestroy(
	EntryEvent<TKey, TValue>^ ev
)

abstract BeforeDestroy : 
        ev : EntryEvent<'TKey, 'TValue> -> bool 
override BeforeDestroy : 
        ev : EntryEvent<'TKey, 'TValue> -> bool