SPWeb.FirstUniqueAncestorSecurableObject property

An ISecurableObject interface that represents the first unique ancestor website. This is the object where the ACL is defined. For a web with unique permission the First Unique Ancestor is itself. For a web that inherits permissions the First Unique Ancestor is one of the ancestral webs.

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

Public Overrides ReadOnly Property FirstUniqueAncestorSecurableObject As SPSecurableObject
Dim instance As SPWeb
Dim value As SPSecurableObject

value = instance.FirstUniqueAncestorSecurableObject