ICODEBROKER

<Window x:Class="TestProject.MainWindow"

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

    Width="800"

    Height="600"

    Title="DrawingContext 클래스 : DrawDrawing 메소드를 사용해 드로잉 그리기"

    Background="Transparent">

    <Grid Name="grid" >

    </Grid>

</Window>

using System.Windows;

using System.Windows.Media;

namespace TestProject

{

    /// <summary>

    /// 메인 윈도우

    /// </summary>

    public partial class MainWindow : Window

    {

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field

        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>

        /// 펜

        /// </summary>

        private Pen pen;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>

        /// 생성자

        /// </summary>

        public MainWindow()

        {

            InitializeComponent();

            this.pen = new Pen(Brushes.Blue, 10);

            this.pen.Freeze();

        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method

        ////////////////////////////////////////////////////////////////////////////////////////// Protected

        #region 렌더링시 처리하기 - OnRender(drawingContext)

        /// <summary>

        /// 렌더링시 처리하기

        /// </summary>

        /// <param name="drawingContext">그리기 컨텍스트</param>

        protected override void OnRender(DrawingContext drawingContext)

        {

            drawingContext.DrawRectangle

            (

                Brushes.White,

                null,

                new Rect

                (

                    0,

                    0,

                    this.grid.ActualWidth,

                    this.grid.ActualHeight

                )

            );

            EllipseGeometry ellipseGeometry = new EllipseGeometry();

            ellipseGeometry.Center  = new Point(this.grid.ActualWidth / 2, this.grid.ActualHeight / 2);

            ellipseGeometry.RadiusX = 200;

            ellipseGeometry.RadiusY = 200;

            GeometryDrawing geometryDrawing = new GeometryDrawing();

            geometryDrawing.Pen   = this.pen;

            geometryDrawing.Brush = Brushes.Red;

            geometryDrawing.Geometry = ellipseGeometry;

            drawingContext.DrawDrawing(geometryDrawing);

        }

        #endregion

    }

}