我尝试实现自定义选择，参考伪造博客。
https://forge.autodesk.com/blog/custom-window-selection-forge-viewer-part-i
https://forge.autodesk.com/blog/custom-window-selection-forge-viewer-part-ii
https://forge.autodesk.com/blog/custom-window-selection-forge-viewer-part-iii
https://github.com/Autodesk-Forge/forge-rcdb.nodejs/tree/master/src/client/components/Viewer/Extensions/Dynamic/Viewing.Extension.SelectionWindow
但是，这些代码似乎仅适用于旧版本的查看器。
是否有为v7编写的示例？
感谢您的帮助。
有关窗口选择的更多最新教程：https://forge.autodesk.com/blog/custom-window-selection-forge-viewer-simpler-extension。请改用那个。
