There should be a JavaScript way to identify HTML canvases underlying the BlazorPlot controls recently merged from #2960 and disable their right-click context menu in the browser.

Presently right-click-drag works to zoom, but releasing the mouse displays a menu from the browser

Online blazor example:
https://swharden.com/tmp/sp/02/