public static void Start(ref InfoTextEnterArea grayOut, ServiceContainer services, UIElement activeContainer,
Rect activeRectInActiveContainer, string text)
{
Debug.Assert(services != null);
Debug.Assert(activeContainer != null);
DesignPanel designPanel = services.GetService <IDesignPanel>() as DesignPanel;
OptionService optionService = services.GetService <OptionService>();
if (designPanel != null && grayOut == null && optionService != null &&
optionService.GrayOutDesignSurfaceExceptParentContainerWhenDragging)
{
grayOut = new InfoTextEnterArea();
grayOut.designPanel = designPanel;
grayOut.adornerPanel = new AdornerPanel();
grayOut.adornerPanel.Order = AdornerOrder.Background;
grayOut.adornerPanel.SetAdornedElement(designPanel.Context.RootItem.View, null);
grayOut.ActiveAreaGeometry = new RectangleGeometry(activeRectInActiveContainer, 0, 0,
(Transform)activeContainer.TransformToVisual(grayOut.adornerPanel.AdornedElement));
var tb = new TextBlock()
{
Text = text
};
tb.FontSize = 10;
tb.ClipToBounds = true;
tb.Width = ((FrameworkElement)activeContainer).ActualWidth;
tb.Height = ((FrameworkElement)activeContainer).ActualHeight;
tb.VerticalAlignment = VerticalAlignment.Top;
tb.HorizontalAlignment = HorizontalAlignment.Left;
tb.RenderTransform = (Transform)activeContainer.TransformToVisual(grayOut.adornerPanel.AdornedElement);
grayOut.adornerPanel.Children.Add(tb);
designPanel.Adorners.Add(grayOut.adornerPanel);
}
}
public static void Stop(ref InfoTextEnterArea grayOut)
{
if (grayOut != null)
{
IDesignPanel designPanel = grayOut.designPanel;
AdornerPanel adornerPanelToRemove = grayOut.adornerPanel;
designPanel.Adorners.Remove(adornerPanelToRemove);
grayOut = null;
}
}
public static void Start(ref InfoTextEnterArea grayOut, ServiceContainer services, UIElement activeContainer,
string text)
{
Debug.Assert(activeContainer != null);
Start(ref grayOut, services, activeContainer, new Rect(activeContainer.RenderSize), text);
}
