SDK development kit download address:
https://www.mxdraw.com/ndetail_40249.html
1. Reconstruct cad 3D module
2. complete the functions of CAD copy, move, rotate, zoom and offset.
3. add online CAD layout switching
4. modify the display of individual drawings is not allowed
5. add ZoomAll, ZoomW and redraw buttons.
6. increase the plug-in development function of online CAD module.
