첨부 실행 코드는 나눔고딕코딩 폰트를 사용합니다.

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TestProject.zip
0.02MB

▶ MainPage.xaml

<Page x:Class="TestProject.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Grid>
        <Canvas Margin="50 50 50 120"
            Background="Green">
            <Rectangle Name="rectangle" Canvas.Left="100" Canvas.Top="100"
                Width="300"
                Height="300"
                Fill="Red" />
        </Canvas>
        <TextBlock Name="textBlock"
            HorizontalAlignment="Stretch"
            VerticalAlignment="Stretch"
            Margin="10 10 0 0" />
        <Button Name="runButton"
            HorizontalAlignment="Right"
            VerticalAlignment="Bottom"
            Margin="50"
            Width="100"
            Height="30"
            Content="실행" />
    </Grid>
</Page>

 

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▶ MainPage.xaml.cs

using Windows.Foundation;
using Windows.Graphics.Display;
using Windows.UI.ViewManagement;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Media;

namespace TestProject
{
    /// <summary>
    /// 메인 페이지
    /// </summary>
    public sealed partial class MainPage : Page
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainPage()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainPage()
        {
            InitializeComponent();

            #region 윈도우 크기를 설정한다.

            double width  = 800d;
            double height = 600d;

            double dpi = (double)DisplayInformation.GetForCurrentView().LogicalDpi;

            ApplicationView.PreferredLaunchWindowingMode = ApplicationViewWindowingMode.PreferredLaunchViewSize;

            Size windowSize = new Size(width * 96d / dpi, height * 96d / dpi);

            ApplicationView.PreferredLaunchViewSize = windowSize;

            Window.Current.Activate();

            ApplicationView.GetForCurrentView().TryResizeView(windowSize);

            #endregion
            #region 윈도우 제목을 설정한다.

            ApplicationView.GetForCurrentView().Title = "UIElement 클래스 : TransformToVisual 메소드를 사용해 엘리먼트 상대/절대 위치 구하기";

            #endregion

            this.runButton.Click += runButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 실행 버튼 클릭시 처리하기 - runButton_Click(sender, e)

        /// <summary>
        /// 실행 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void runButton_Click(object sender, RoutedEventArgs e)
        {
            // Window 클래스 : UIElement에서 파생되지 않았음에 주의한다.
            Point relativePoint = GetRelativePoint(Window.Current.Content, this.rectangle);

            Point absolutePoint = GetAbsolutePoint(this.rectangle);

            this.textBlock.Text = $"상대 좌표 : {relativePoint}\r\n절대 좌표 : {absolutePoint}";
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 상대 위치 구하기 - GetRelativePoint(baseElement, sourceElement)

        /// <summary>
        /// 상대 위치 구하기
        /// </summary>
        /// <param name="baseElement">기준 엘리먼트</param>
        /// <param name="sourceElement">소스 엘리먼트</param>
        /// <returns>상대 위치</returns>
        private Point GetRelativePoint(UIElement baseElement, UIElement sourceElement)
        {
            GeneralTransform transform = sourceElement.TransformToVisual(baseElement);

            Point relativePoint = transform.TransformPoint(new Point(0, 0));

            return relativePoint;
        }

        #endregion
        #region 절대 위치 구하기 - GetAbsolutePoint(sourceElement)

        /// <summary>
        /// 절대 위치 구하기
        /// </summary>
        /// <param name="sourceElement">소스 엘리먼트</param>
        /// <returns>절대 위치</returns>
        private Point GetAbsolutePoint(UIElement sourceElement)
        {
            Point relativePoint = GetRelativePoint(Window.Current.Content, sourceElement);

            double x = relativePoint.X + ApplicationView.GetForCurrentView().VisibleBounds.Left;
            double y = relativePoint.Y + ApplicationView.GetForCurrentView().VisibleBounds.Top;

            return new Point(x, y);
        }

        #endregion
    }
}
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