SPSite.Impersonating property

Gets a Boolean value that indicates the impersonation status of the SPSite object.

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)

public bool Impersonating { get; }

Property value

Type: System.Boolean
true if the SPSite object was created with an SPUserToken parameter, indicating that the site collection impersonates the identity of a user; otherwise, false.