I noticed the Nevron NDataGridView widget shows a context menu when right clicking the grid column header.  This menu has "Sort Ascending", "Sort Descending" and other menu items on it.

My NDataGridView requires I set VirtualMode to true and provide my own custom sorting.  When doing this the sort menu items remain yet they do nothing when the user selects them.  How can I remove these menu items from this context menu or hook into the event when the user selects them?

I'm on the 11.1.17.12 build.