SPWeb.EffectivePresenceEnabled property
SharePoint 2013
Gets a Boolean value that indicates whether effective presence information is enabled on the site.
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Property value
Type: System.Booleantrue if effective presence information is enabled; otherwise, false.
The EffectivePresenceEnabled property returns the raw presence value combined with the global virtual server setting for presence, while the PresenceEnabled property gets or sets the raw presence value of the site. Use the EffectivePresenceEnabled property to display presence at run time, and use the PresenceEnabled property when creating administrative tools.