private void UserControl_MouseLeftButtonUp(object sender, System.Windows.Input.MouseButtonEventArgs e) { //! If HUB is already loaded so just bring it to the front. if (hub != null && hub.IsVisible) { hub.Activate(); return; } //! Initialize HUB hub = new Hub(); hub.Topmost = false; //! Set to false if HUB respects LockScreen of Newgen. hub.AllowsTransparency = true; //! Set to false if widget contains "WebBrowser". hub.ShowDialog(); //! Finally Display HUB. }