private void PrimitiveEllipseArc_Click(object sender, RoutedEventArgs e)
        {
            EllipseArcShapeCommand cmd = new EllipseArcShapeCommand();

            Recipe.AddCommand(cmd);
        }
 public EllipseArcCADShape(EllipseArcShapeCommand cmd)
 {
     Command = cmd;
     UpdateEllipse();
     UpdateControl();
 }
 public static EllipseArcShapeCommandOptionView Show(EllipseArcShapeCommand cmd)
 {
     Instance.DataContext = cmd;
     return(Instance);
 }