IVersionCompatibleUpgrader interface
擴充屬性，指出回溯相容性與升級程式委派。
Namespace: Microsoft.SharePoint.Upgrade
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Syntax
'宣告
<SharePointPermissionAttribute(SecurityAction.InheritanceDemand, ObjectModel := True)> _
<SharePointPermissionAttribute(SecurityAction.LinkDemand, ObjectModel := True)> _
Public Interface IVersionCompatibleUpgrader
'用途
Dim instance As IVersionCompatibleUpgrader
[SharePointPermissionAttribute(SecurityAction.InheritanceDemand, ObjectModel = true)]
[SharePointPermissionAttribute(SecurityAction.LinkDemand, ObjectModel = true)]
public interface IVersionCompatibleUpgrader