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Categories / C# Tutorial / WPF

 

DrawingVisual and DrawingContext

using System; using System.Windows; using System.Windows.Media; namespace WindowHostingVisual {     public class WindowHostingVisual : Window     {         [STAThread]         public static void Main()         {             WindowHostingVisual whv = new WindowHostingVisual();             whv.ShowDialog();         }         public WindowHostingVisual()         {             DrawingVisual ghostVisual = new DrawingVisual();             using (DrawingContext dc = ghostVisual.RenderOpen())             {                 dc.DrawGeometry(Brushes.Blue, null, Geometry.Parse(                 @"M 240,250                   C 200,375 200,250 175,200                   C 200,0 250,0 250,150 Z"));                 dc.DrawEllipse(Brushes.Black, new Pen(Brushes.White, 10),                     new Point(170, 105), 15, 15);                 Pen p = new Pen(Brushes.Black, 10);                 p.StartLineCap = PenLineCap.Round;                 p.EndLineCap = PenLineCap.Round;                 dc.DrawLine(p, new Point(5, 160), new Point(75, 150));             }         }     } }