/* Close the device */
public void Close()
{
/* Notify that ImageProvider is about to close the device to give other objects the chance to do clean up operations. */
OnDeviceClosingEvent();
/* Try to close everything even if exceptions occur. Keep the last exception to throw when it is done. */
Exception lastException = null;
/* Reset the removed flag. */
m_removed = false;
if (m_hGrabber.IsValid)
{
/* Try to close the stream grabber. */
try
{
Pylon.StreamGrabberClose(m_hGrabber);
}
catch (Exception e) { lastException = e; UpdateLastError(); }
}
if (m_hDevice.IsValid)
{
/* Try to deregister the removal callback. */
try
{
if (m_hRemovalCallback.IsValid)
{
Pylon.DeviceDeregisterRemovalCallback(m_hDevice, m_hRemovalCallback);
}
}
catch (Exception e) { lastException = e; UpdateLastError(); }
/* Try to close the device. */
try
{
/* ... Close and release the pylon device. */
if (Pylon.DeviceIsOpen(m_hDevice))
{
Pylon.DeviceClose(m_hDevice);
}
}
catch (Exception e) { lastException = e; UpdateLastError(); }
/* Try to destroy the device. */
try
{
Pylon.DestroyDevice(m_hDevice);
}
catch (Exception e) { lastException = e; UpdateLastError(); }
}
m_hGrabber.SetInvalid();
m_hRemovalCallback.SetInvalid();
m_hDevice.SetInvalid();
/* Notify that ImageProvider is now closed.*/
OnDeviceClosedEvent();
/* If an exception occurred throw it. */
if (lastException != null)
{
throw lastException;
}
}
