Revit二次开发—自定义光标提示Tooltip

参考文章：

https://thebuildingcoder.typepad.com/blog/2017/01/uiview-windows-coordinate-referenceintersector-tooltip.html

https://thebuildingcoder.typepad.com/blog/2012/06/uiview-and-windows-device-coordinates.html

https://thebuildingcoder.typepad.com/blog/2012/10/uiview-windows-coordinates-referenceintersector-and-my-own-tooltip.html

案例下载：

https://download.csdn.net/download/weixin_40626630/10892340