public void Cancel()
{
if (!_isRunning)
{
return;
}
try
{
IChoAbortableAsyncResult r1 = _result;
if (r1 == null)
{
return;
}
if (_topPlugIn != null)
{
_topPlugIn.Stop();
}
Thread.Sleep(_plugInManagerSettings.StopRequestTimeout);
r1.Abort();
}
finally
{
_result = null;
}
}