public delegate IAsynchronousOperation SendCallback (
	Message message,
	AsynchronousOperationCallback completionCallback,
	Object asynchronousState
)

Public Delegate Function SendCallback ( _
	message As Message, _
	completionCallback As AsynchronousOperationCallback, _
	asynchronousState As Object _
) As IAsynchronousOperation

public delegate IAsynchronousOperation^ SendCallback (
	Message message, 
	AsynchronousOperationCallback^ completionCallback, 
	Object^ asynchronousState
)