/// <summary>
/// Start the device for a frame grab, wait a bit and then return the result.
/// This method MUST raise a CameraThumbnailProduced event, even in case of error.
/// </summary>
public void Run(object data)
{
log.DebugFormat("Starting {0} for thumbnail.", summary.Alias);
device.FrameProduced += device_FrameProduced;
device.FrameError += device_FrameError;
device.Start();
waitHandle.WaitOne(timeout, false);
lock (locker)
{
if (!cancelled)
{
device.FrameProduced -= device_FrameProduced;
device.FrameError -= device_FrameError;
device.Stop();
}
}
if (CameraThumbnailProduced != null)
{
CameraThumbnailProduced(this, new CameraThumbnailProducedEventArgs(summary, image, imageDescriptor, hadError, cancelled));
}
}
public void Stop()
{
log.DebugFormat("Stopping device {0}", summary.Alias);
device.FrameProduced -= device_FrameProduced;
device.FrameError -= device_FrameError;
device.GrabbingStarted -= device_GrabbingStarted;
device.Stop();
grabbing = false;
if (GrabbingStatusChanged != null)
{
GrabbingStatusChanged(this, EventArgs.Empty);
}
}
