Helix3DToolkit源码功能介绍:Helix3DToolkit是一为WPF中3D开发提供了控件集合和帮助类。包含了WinRt和Metro控件,源码中包含了丰富的demo例子。CameramanipulationcontrolTurntablerotationTrackballrotationZoomextentsZoombyrectangleChangefield-of-viewZoom/RotatearoundthemousedownpointSupportfororthographicandperspectivecamerasSupportfortouchmanipulationevents(e.g.pinchtozoom)ControlsHelixViewport3D-cameramanipulation,lightsandaViewport3DStereoView3D-cross/parallelstereoviewingAnaglyphView3D-anaglyphviewing(requiresred/cyanglasses)ViewCube-rotatesthev
标移动时会绘制光标,为了减少性能开销,不能直接Refresh()/Invalidate()控件,使用Invalidate(Rectangle)来重绘被鼠标弄脏的那个区域。所以用了两个小矩