windowsforms-119049-controls-and-libraries-scheduler-visual-elements-pop-up-menus.md
The Scheduler has three types of context (pop-up) menus that enable an end-user to manage views, appointments and adjust time ruler settings. The SchedulerControl provides the dedicated event that allows you to customize context menus by adding or removing items.
| Menu Type | Description | Image | Property |
|---|---|---|---|
| Default Popup Menu | This menu is shown when an end-user right-clicks time cells that do not contain any appointments. | SchedulerMenuItemId.DefaultMenu | |
| Appointment Popup Menu | This menu is shown when an end-user right-clicks an appointment. | SchedulerMenuItemId.AppointmentMenu | |
| Time Ruler Popup Menu | This menu is shown when an end-user right-clicks an time ruler. | SchedulerMenuItemId.RulerMenu |
Handle the SchedulerControl.PopupMenuShowing event to customize context menus at runtime. The SchedulerMenuItem enumeration lists all types of Scheduler popup menu items. Refer to the How to: Customize the Popup Menu topic for details.
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