private void Dispose(bool disposing)
{
if (Dispatcher == null)
{
throw new ObjectDisposedException("UIThreadPoolThread");
}
Dispatcher dispatcher = Dispatcher;
Dispatcher = null;
UIThreadPool.DecrementThread(dispatcher);
}
public UIThreadPoolRoot()
{
// The UIThreadPoolRoot instance itself is owned by the calling
// thread, which is typically the UI thread. It uses a HostVisual
// as its only child to host the results of inflating the template
// on a thread pool thread.
HostVisual child = new HostVisual();
Child = child;
_threadPoolThread = UIThreadPool.AcquireThread();
_threadPoolThread.Dispatcher.Invoke((Action) delegate
{
_root = new VisualTargetPresentationSource(child);
_root.SizeChanged += VisualTargetSizeChanged;
});
}
internal UIThreadPoolThread(Dispatcher dispatcher)
{
UIThreadPool.IncrementThread(dispatcher);
Dispatcher = dispatcher;
}
