SPWeb.HasUniqueRoleDefinitions Property
SharePoint 2010
Gets a Boolean value that indicates whether the role definitions are uniquely defined for this website or inherited from a parent website.
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: Yes
Available in SharePoint Online
Property Value
Type: System.Booleantrue if the website has unique role definitions; otherwise, false.