Context menu is supported for following elements:

It can be invoked using active area.

Availability

Availability of this feature in DayPilot editions:

LitePro
DayPilot for JavaScriptPartial SupportFull Support
DayPilot for ASP.NET WebFormsNo SupportFull Support
DayPilot for ASP.NET MVCNo SupportFull Support
DayPilot for JavaNo SupportFull Support