https://docs.devexpress.com/WPF/DevExpress.Xpf.RichEdit.PopupMenuShowingEventArgs.MenuType
PopupMenuShowingEventArgs.MenuType Property | WPF Controls | DevExpress Documentation
Apr 28, 2022 - Developer documentation for all DevExpress products.
wpf controlspopupmenushowingeventargspropertydevexpressdocumentation