public void Release(bool activateWindowIfNeeded)
        {
            if (Container == null)
            {
                return;
            }

            Container.Initialized -= OnOwnerInitialized;
            var container = Container;

            Container = null;
            if (container.Window == null || lockMode == SplashScreenLock.None)
            {
                return;
            }

            SplashScreenHelper.InvokeAsync(container.Window, () => {
                if (activateWindowIfNeeded && !SplashScreenHelper.ApplicationHasActiveWindow())
                {
                    container.ActivateWindow();
                }

                SplashScreenHelper.UnlockWindow(container);
            }, DispatcherPriority.Render);
        }