protected abstract void Call_AckReceived(
	Object sender,
	AckArgs e
)

Protected MustOverride Sub Call_AckReceived ( 
	sender As Object,
	e As AckArgs
)

protected:
virtual void Call_AckReceived(
	Object^ sender, 
	AckArgs^ e
) abstract

abstract Call_AckReceived : 
        sender : Object * 
        e : AckArgs -> unit