SPList.AnonymousPermMask64 Property
Gets or sets the base permissions for anonymous users of the list.
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: Yes
Available in SharePoint Online
Property Value
Type: Microsoft.SharePoint.SPBasePermissionsAn SPBasePermissions value that specifies the permissions given to anonymous users of the list. An anonymous user cannot edit, add, or delete documents in a library, even though AddListItems and EditListItems values can be specified through this property.
The AnonymousPermMask64 property replaces the obsolete AnonymousPermMask property.