本文整理匯總了C#中System.Windows.Media.HitTestResultCallback代理的典型用法代碼示例。如果您正苦於以下問題：C# HitTestResultCallback代理的具體用法？C# HitTestResultCallback怎麽用？C# HitTestResultCallback使用的例子？那麽, 這裏精選的代理代碼示例或許可以為您提供幫助。
HitTestResultCallback代理屬於System.Windows.Media命名空間，在下文中一共展示了HitTestResultCallback代理的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: MyVisualHost_MouseLeftButtonUp
// Capture the mouse event and hit test the coordinate point value against
// the child visual objects.
void MyVisualHost_MouseLeftButtonUp(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
// Retrieve the coordinates of the mouse button event.
System.Windows.Point pt = e.GetPosition((UIElement)sender);
// Initiate the hit test by setting up a hit test result callback method.
VisualTreeHelper.HitTest(this, null, new HitTestResultCallback(myCallback), new PointHitTestParameters(pt));
}
// If a child visual object is hit, toggle its opacity to visually indicate a hit.
public HitTestResultBehavior myCallback(HitTestResult result)
{
if (result.VisualHit.GetType() == typeof(DrawingVisual))
{
if (((DrawingVisual)result.VisualHit).Opacity == 1.0)
{
((DrawingVisual)result.VisualHit).Opacity = 0.4;
}
else
{
((DrawingVisual)result.VisualHit).Opacity = 1.0;
}
}
// Stop the hit test enumeration of objects in the visual tree.
return HitTestResultBehavior.Stop;
}