Set EnableRaisingEvents to trigger the "Exit" event.
Set EnableRaisingEvents to trigger the "Exit" event.

Otherwise the Process_Exited() handler introduced in commit baf933e
will not fire at all, thus leading to a wrong setting of "hasExited"
and (worse) making subsequent calls to Stop() stall indefinitely.

tjscience/RoboSharp,tjscience/RoboSharp