private static void OnLoad(object sender, RoutedEventArgs e) { var This = (sender as TopAppBar_Message); if (This.m_CheckIfHandlerShouldExecute == false) { return; } ///////////////////////////////////////////////////////////////////////////////// // PopupBox Button var PopupBox1 = new PopupBox() { Name = "TopAppBar_Notifications_PopupBox1", //Style = _this.FindResource("MaterialDesignToolPopupBox") as Style, //Width = 32, Height = 32, ClipToBounds = true, StaysOpen = true, Margin = new Thickness(0), Padding = new Thickness(0), HorizontalAlignment = HorizontalAlignment.Stretch, HorizontalContentAlignment = HorizontalAlignment.Center, VerticalAlignment = VerticalAlignment.Stretch, VerticalContentAlignment = VerticalAlignment.Center, Foreground = This.FindResource("MaterialDesignPaper") as Brush, PopupMode = PopupBoxPopupMode.Click, UnfurlOrientation = Orientation.Horizontal, PlacementMode = PopupBoxPlacementMode.BottomAndAlignRightEdges, FlowDirection = FlowDirection.LeftToRight, UseLayoutRounding = true, }; EventManager.RegisterClassHandler(typeof(PopupBox), PopupBox.OpenedEvent, new RoutedEventHandler(OnMouseDown)); var PackIcon1 = new PackIcon() { HorizontalAlignment = HorizontalAlignment.Center, VerticalAlignment = VerticalAlignment.Center, Width = 18, Height = 18, Kind = PackIconKind.MessageProcessing, Foreground = This.FindResource("MaterialDesignPaper") as Brush, }; PopupBox1.ToggleContent = PackIcon1; ShadowAssist.SetShadowDepth(PopupBox1, ShadowDepth.Depth0); RippleAssist.SetRippleSizeMultiplier(PopupBox1, 0.5f); RippleAssist.SetClipToBounds(PopupBox1, false); RippleAssist.SetIsCentered(PopupBox1, true); RippleAssist.SetIsDisabled(PopupBox1, true); // PopupBox Button End // Card var PrimaryStackPanel1 = new StackPanel() { HorizontalAlignment = HorizontalAlignment.Stretch, VerticalAlignment = VerticalAlignment.Stretch, Orientation = Orientation.Vertical, }; var HeaderStackPanel1 = new StackPanel() { HorizontalAlignment = HorizontalAlignment.Stretch, Orientation = Orientation.Vertical, Background = Brushes.WhiteSmoke, }; var TextBlock1 = new TextBlock() { FontFamily = new FontFamily("Roboto"), Padding = new Thickness(96, 9, 96, 9), TextAlignment = TextAlignment.Center, FontSize = 13, Opacity = 0.75f, Text = Application.Current.MainWindow.Title == "" ? "Messages" : Application.Current.MainWindow.Title, //Background = Brushes.Purple, }; HeaderStackPanel1.Children.Add(TextBlock1); var Button1 = new Button() { Style = This.FindResource("MaterialDesignToolButton") as Style, Height = 16, Content = new PackIcon() { HorizontalAlignment = HorizontalAlignment.Center, VerticalAlignment = VerticalAlignment.Center, Width = 11, Height = 11, Kind = PackIconKind.ArrowCollapseDown, Margin = new Thickness(0, 0, 0, 0), Padding = new Thickness(0, 0, 0, 0), }, Padding = new Thickness(0, 0, 0, 0), Margin = new Thickness(0, 0, 0, 0), Background = Brushes.Gainsboro, }; ShadowAssist.SetShadowEdges(Button1.Content as PackIcon, ShadowEdges.Top); ShadowAssist.SetShadowDepth(Button1, ShadowDepth.Depth1); ShadowAssist.SetShadowEdges(Button1, ShadowEdges.Top); ShadowAssist.SetShadowDepth(Button1, ShadowDepth.Depth1); RippleAssist.SetIsDisabled(Button1, false); RippleAssist.SetIsCentered(Button1, true); RippleAssist.SetClipToBounds(Button1, true); RippleAssist.SetRippleSizeMultiplier(Button1, 12.0f); var ListView1 = new StackPanel() { Orientation = Orientation.Vertical, Background = Brushes.WhiteSmoke, }; ListView1.Children.Add(new TextBlock() { FontSize = 11, Opacity = 0.75f, Text = "All caught up!", //Width = 80, Height = 40, TextAlignment = TextAlignment.Center, HorizontalAlignment = HorizontalAlignment.Stretch, VerticalAlignment = VerticalAlignment.Stretch, Margin = new Thickness(0, 96, 0, 96), }); ShadowAssist.SetShadowEdges(ListView1, ShadowEdges.Bottom); ShadowAssist.SetShadowDepth(ListView1, ShadowDepth.Depth1); ShadowAssist.SetDarken(ListView1, true); PrimaryStackPanel1.Children.Add(HeaderStackPanel1); PrimaryStackPanel1.Children.Add(ListView1); PrimaryStackPanel1.Children.Add(Button1); // Card End PopupBox1.PopupContent = PrimaryStackPanel1; This.Children.Add(PopupBox1); ///////////////////////////////////////////////////////////////////////////////// This.m_CheckIfHandlerShouldExecute = false; }