Provides an abstract superclass for all upgrade sequences in Microsoft SharePoint Foundation.
[SharePointPermissionAttribute(SecurityAction.InheritanceDemand, ObjectModel = true)]
[SharePointPermissionAttribute(SecurityAction.LinkDemand, ObjectModel = true)]
public abstract class SPSequence : SPDelegate,
IUpgrader, IHierarchyBuilder, IVersionCompatibleUpgrader
Each concrete sequence is designed to upgrade a specific object type in the server farm. Each object must be marked with the upgradable attribute.
Any public static
in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.