SPDatabaseSequence 类
抽象类表示一个序列，其中所有数据库序列可都用于继承的ISchemaVersioned接口的默认实现。
继承层次结构
System.Object
Microsoft.SharePoint.Upgrade.StopEventReceiver
Microsoft.SharePoint.Upgrade.SPDelegate
Microsoft.SharePoint.Upgrade.SPSequence
Microsoft.SharePoint.Upgrade.SPActionSequence
Microsoft.SharePoint.Upgrade.SPDatabaseSequence
命名空间： Microsoft.SharePoint.Upgrade
程序集： Microsoft.SharePoint（位于 Microsoft.SharePoint.dll 中）
语法
声明
<SharePointPermissionAttribute(SecurityAction.LinkDemand, ObjectModel := True)> _
<SharePointPermissionAttribute(SecurityAction.InheritanceDemand, ObjectModel := True)> _
Public MustInherit Class SPDatabaseSequence _
Inherits SPActionSequence _
Implements ISchemaVersioned, ICompatibleSchemaVersioned
用法
Dim instance As SPDatabaseSequence
[SharePointPermissionAttribute(SecurityAction.LinkDemand, ObjectModel = true)]
[SharePointPermissionAttribute(SecurityAction.InheritanceDemand, ObjectModel = true)]
public abstract class SPDatabaseSequence : SPActionSequence,
ISchemaVersioned, ICompatibleSchemaVersioned
线程安全性
该类型的任何公共 静态 (已共享 在 Visual Basic 中) 成员都是线程安全的。不保证任何实例成员都是线程安全的。