//File:Window.xaml.cs using System; using System.Windows; using System.Windows.Media; using System.Windows.Shapes; using System.Windows.Controls; using System.Windows.Controls.Primitives; namespace layout_information { public partial class Window1 : Window { public void ShowLayoutSlot(object sender, System.Windows.RoutedEventArgs e) { RectangleGeometry myRectangleGeometry = new RectangleGeometry(); myRectangleGeometry.Rect = LayoutInformation.GetLayoutSlot(txt1);