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Print Ellipse

using System; using System.Windows; using System.Windows.Controls; using System.Windows.Input; using System.Windows.Media;     public class PrintEllipse : Window     {         [STAThread]         public static void Main()         {             Application app = new Application();             app.Run(new PrintEllipse());         }         public PrintEllipse()         {             StackPanel stack = new StackPanel();             Content = stack;             Button btn = new Button();             btn.Content = "_Print...";             btn.HorizontalAlignment = HorizontalAlignment.Center;             btn.Margin = new Thickness(24);             btn.Click += PrintOnClick;             stack.Children.Add(btn);         }         void PrintOnClick(object sender, RoutedEventArgs args)         {             PrintDialog dlg = new PrintDialog();             if ((bool)dlg.ShowDialog().GetValueOrDefault())             {                 DrawingVisual vis = new DrawingVisual();                 DrawingContext dc = vis.RenderOpen();                 dc.DrawEllipse(Brushes.LightGray, new Pen(Brushes.Black, 3),                                new Point(100,dlg.PrintableAreaHeight / 2),                                200,dlg.PrintableAreaHeight / 2);                 dc.Close();                 dlg.PrintVisual(vis, "My first print job");             }         }                 }