I am trying to pass the HitTestParameters3D parameter to VisualTreeHelper.HitTest(,,,) but I've failed to find any examples as to how this can be done and information about HitTestParameters3D is scant.I am trying to pass the HitTestParameters3D par
阅读背景：
如何传递以下参数？ VisualTreeHelper.HitTest（,,,）中的HitTestParameters3D？
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