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SPSequence Class

Provides an abstract superclass for all upgrade sequences in Windows SharePoint Services.

Inheritance Hierarchy

System.Object
  Microsoft.SharePoint.Upgrade.StopEventReceiver
    Microsoft.SharePoint.Upgrade.SPDelegate
      Microsoft.SharePoint.Upgrade.SPSequence
        Microsoft.SharePoint.Upgrade.SPActionSequence

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

Syntax

<SharePointPermissionAttribute(SecurityAction.InheritanceDemand, ObjectModel := True)> _
<SharePointPermissionAttribute(SecurityAction.LinkDemand, ObjectModel := True)> _
Public MustInherit Class SPSequence _
    Inherits SPDelegate _
    Implements IUpgrader, IHierarchyBuilder

Dim instance As SPSequence
[SharePointPermissionAttribute(SecurityAction.InheritanceDemand, ObjectModel = true)]
[SharePointPermissionAttribute(SecurityAction.LinkDemand, ObjectModel = true)]
public abstract class SPSequence : SPDelegate, 
    IUpgrader, IHierarchyBuilder

Remarks

Each concrete sequence is designed to upgrade a specific object type in the server farm. Each object must be marked with the upgradable attribute.

Thread Safety

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

See Also

Reference

SPSequence Members

Microsoft.SharePoint.Upgrade Namespace