protected void OnCameraConnectionChanged(IntPtr context, tInterface iface, tLinkEvent evt, UInt32 uniqueId)
{
bool connected = (evt == tLinkEvent.eLinkAdd);
Camera camera;
if (connected)
{
tCameraInfo cameraInfo = new tCameraInfo();
tErr err = Pv.CameraInfo(uniqueId, ref cameraInfo);
if (err != tErr.eErrSuccess)
{
throw new PvException(err);
}
camera = new Camera(cameraInfo);
cameras.Add(camera);
}
else
{
camera = cameras.Find(c => c.UniqueId == uniqueId);
}
if (camera != null && (CameraConnected != null && connected) || (CameraDisconnected != null && !connected))
{
CameraConnectionHandler eventHandler = connected ? CameraConnected : CameraDisconnected;
Delegate[] delegates = eventHandler.GetInvocationList();
foreach (CameraConnectionHandler handler in delegates)
{
DispatcherObject dispatcherObject = handler.Target as DispatcherObject;
if (dispatcherObject != null && !dispatcherObject.CheckAccess())
{
dispatcherObject.Dispatcher.Invoke(DispatcherPriority.DataBind, handler, camera);
}
else
{
handler(camera);
}
}
}
}