Hi Jim Benson,
Thank you for writing.
System.Windows.Forms.Control.ContextMenu property exists at RadScheduler, because it is inherited from the Control class. However, this property has no meaningful representation in RadControls. Our suite is using our own implementation of a context menu (RadDropDownMenu) that in the case of RadScheduler can be accessed and modified through SchedulerContextMenuShowingEventArgs of the ContextMenuShowing event. For additional information, please refer to this article
I hope you find this information helpful. If you have any other questions, do not hesitate to contact us.
All the best,
the Telerik team
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