Customizing context menu

GoJS
2

Did you have a question? If so, it does not appear to be a follow-on to this topic, so I think it should be moved into its own new topic.

How can I ban Context Menu in Palette?Cannot add part Adornment (ContextMenu) Node#1836 (ContextMenu) Node#1836 (-6) to Diagram "u126" at the same time clicking on the left and right display context menus