本文整理汇总了VB.NET中System.Windows.Media.GeometryHitTestParameters类的典型用法代码示例。如果您正苦于以下问题：VB.NET GeometryHitTestParameters类的具体用法？VB.NET GeometryHitTestParameters怎么用？VB.NET GeometryHitTestParameters使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了GeometryHitTestParameters类的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: OnMouseDown
' Respond to the mouse button down event by setting up a hit test results callback.
Private Overloads Sub OnMouseDown(ByVal sender As Object, ByVal e As MouseButtonEventArgs)
' Retrieve the coordinate of the mouse position.
Dim pt As Point = e.GetPosition(CType(sender, UIElement))
' Expand the hit test area by creating a geometry centered on the hit test point.
Dim expandedHitTestArea As New EllipseGeometry(pt, 10.0, 10.0)
' Clear the contents of the list used for hit test results.
hitResultsList.Clear()
' Set up a callback to receive the hit test result enumeration.
VisualTreeHelper.HitTest(myControl, Nothing, New HitTestResultCallback(AddressOf MyHitTestResultCallback), New GeometryHitTestParameters(expandedHitTestArea))
' Perform actions on the hit test results list.
If hitResultsList.Count > 0 Then
ProcessHitTestResultsList()
End If
End Sub