public void StopExposure()
{
tl.LogMessage("StopExposure", "Aborting exposure, call cameraStopExposure from " + LowLevelDLL);
if (cameraStopExposure() == false)
{
tl.LogMessage("StopExposure", "PropertyNotImplementedException Stop Exposure failed");
throw new ASCOM.PropertyNotImplementedException("Stop Exposure failed");
}
}