Caliburn.Micro.WindowManager.DialogHost.CreateUIElements C# (CSharp) Метод

            protected virtual void CreateUIElements()
            {
                viewContainer = new ContentControl
                {
                    HorizontalContentAlignment = HorizontalAlignment.Stretch,
                    VerticalContentAlignment = VerticalAlignment.Top,
                };
                maskingLayer = new Border
                {
                    Child = viewContainer,
                    Background = new SolidColorBrush(Color.FromArgb(170, 0, 0, 0)),
                    VerticalAlignment = VerticalAlignment.Top,
                    HorizontalAlignment = HorizontalAlignment.Left
                };
                pageFreezingLayer = new Border
                {
                    Background = new SolidColorBrush(Colors.Transparent),
                    Width = Application.Current.Host.Content.ActualWidth,
                    Height = Application.Current.Host.Content.ActualHeight
                };

                var panel = new Canvas();
                panel.Children.Add(pageFreezingLayer);
                panel.Children.Add(maskingLayer);

                hostPopup = new Popup { Child = panel };
            }