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SPReusableAcl class

Represents an access control list (ACL) that is applied to a site collection, Web site, list, or list item.

System.Object
  Microsoft.SharePoint.SPReusableAcl

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)
public sealed class SPReusableAcl

An SPReusableAcl object is an opaque object that an application can use to return a Microsoft SharePoint Foundation object that represents an access control list. The SPReusableAcl object can be stored and passed back to SharePoint Foundation for permission checks, and therefore, the object is considered "reusable."

Use the ReusableAcl property of the SPWeb, SPList, or SPListItem class to return the ACL for a Web site, list, or list item. For any class that implements the ISecurableObject interface, you can use the ReusableAcl property to return the ACL. To return the ACL for a site collection, use either the GetReusableAclForScope or GetAllReusableAcls method of the SPSite class.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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