EventPump
EventPump pulls events out of an EventQueue and sends
them to a listener. It is used to send events back to
the client without using the CallContext of the test
runner thread.
Gets or sets the name of this EventPump
(used only internally and for testing).
Gets or sets the current state of the pump
Constructor
Dispose stops the pump
Disposes the used WaitHandle, too.
Start the pump
Tell the pump to stop after emptying the queue.