■ VisualTreeHelper 클래스의 HitTest 정적 메소드를 사용해 디폴트 히트 테스트를 하는 방법을 보여준다.
▶ MainWindow.xaml
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<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="TestProject" FontFamily="나눔고딕코딩" FontSize="16"> <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center"> <Canvas Name="canvas" Width="400" Height="300" Background="LightGray" /> <TextBlock Name="textBlock" HorizontalAlignment="Center" Margin="0 10 0 0" Foreground="Blue" /> </StackPanel> </Window> |
▶ MainWindow.xaml.cs
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using System.Windows; using System.Windows.Input; using System.Windows.Media; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); MouseMove += Window_MouseMove; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 윈도우 마우스 이동시 처리하기 - Window_MouseMove(sender, e) /// <summary> /// 윈도우 마우스 이동시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Window_MouseMove(object sender, MouseEventArgs e) { Point mousePoint = e.GetPosition(this.canvas); HitTestResult result = VisualTreeHelper.HitTest(this.canvas, mousePoint); if(result != null) { this.textBlock.Text = "mouse over canvas"; } else { this.textBlock.Text = string.Empty; } } #endregion } } |
