本文整理汇总了VB.NET中System.Windows.Media.Media3D.RayHitTestParameters.Direction属性的典型用法代码示例。如果您正苦于以下问题：VB.NET RayHitTestParameters.Direction属性的具体用法？VB.NET RayHitTestParameters.Direction怎么用？VB.NET RayHitTestParameters.Direction使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。
在下文中一共展示了RayHitTestParameters.Direction属性的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: HitTest
Public Sub HitTest(ByVal sender As Object, ByVal args As MouseButtonEventArgs)
Dim mouseposition As Point = args.GetPosition(myViewport)
Dim testpoint3D As New Point3D(mouseposition.X, mouseposition.Y, 0)
Dim testdirection As New Vector3D(mouseposition.X, mouseposition.Y, 10)
Dim pointparams As New PointHitTestParameters(mouseposition)
Dim rayparams As New RayHitTestParameters(testpoint3D, testdirection)
'test for a result in the Viewport3D
VisualTreeHelper.HitTest(myViewport, Nothing, AddressOf HTResult, pointparams)