您好,客户端MouseDown事件需要扩展action实现:
http://support.supermap.com.cn:8090/iserver/iClient/for3D/plugin/samplecode/samplecode/samples/SceneView3D/MyAction.html。
目前有个二三维的范例供参考:
http://support.supermap.com.cn:8090/iserver/iClient/for3D/plugin/samplecode/samplecode/samples/Integration/2D&3DIntegrationExplore.html