[C#/WPF] FrameworkElement 클래스 : 커스텀 엘리먼트 사용하기

TestProject.zip

다운로드

▶ CustomEllipse.cs

using System.Windows;
using System.Windows.Media;

namespace TestProject
{
    /// <summary>
    /// 커스텀 타원
    /// </summary>
    public class CustomEllipse : FrameworkElement
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Protected

        #region 렌더링시 처리하기 - OnRender(drawingContext)

        /// <summary>
        /// 렌더링시 처리하기
        /// </summary>
        /// <param name="drawingContext">그리기 컨텍스트</param>
        protected override void OnRender(DrawingContext drawingContext)
        {
            drawingContext.DrawEllipse
            (
                Brushes.Blue                                          ,
                new Pen(Brushes.Red, 24)                              ,
                new Point(RenderSize.Width / 2, RenderSize.Height / 2),
                RenderSize.Width  / 2                                 ,
                RenderSize.Height / 2
            );
        }

        #endregion
    }
}

 

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▶ MainWindow.xaml

<Window x:Class="TestProject.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="clr-namespace:TestProject"
    Width="800"
    Height="600"
    Title="FrameworkElement 클래스 : 커스텀 엘리먼트 사용하기"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Grid>
        <local:CustomEllipse
            Margin="20" />
    </Grid>
</Window>