通过

AbstractInstance 类 (Microsoft.Office.Server.ApplicationRegistry.Runtime)

  • 项目

Represents the base class for all instances in the Business Data Catalog. This is an abstract class and cannot be instantiated.

命名空间: Microsoft.Office.Server.ApplicationRegistry.Runtime
程序集: Microsoft.SharePoint.Portal （在 microsoft.sharepoint.portal.dll 中）

语法

声明
<DefaultMemberAttribute("Item")> _
<SharePointPermissionAttribute(SecurityAction.InheritanceDemand, ObjectModel:=True)> _
<SharePointPermissionAttribute(SecurityAction.LinkDemand, ObjectModel:=True)> _
Public MustInherit Class AbstractInstance
    Implements IInstance
用法
Dim instance As AbstractInstance

[DefaultMemberAttribute("Item")] 
[SharePointPermissionAttribute(SecurityAction.InheritanceDemand, ObjectModel=true)] 
[SharePointPermissionAttribute(SecurityAction.LinkDemand, ObjectModel=true)] 
public abstract class AbstractInstance : IInstance

备注

AbstractInstance represents a collection of data fields in memory without a persistent identity. The AbstractEntityInstance class adds a persistent identity to the instances.

继承层次结构

System.Object
  Microsoft.Office.Server.ApplicationRegistry.Runtime.AbstractInstance
     Microsoft.Office.Server.ApplicationRegistry.Runtime.AbstractEntityInstance

线程安全性

此类型的任何公共静态（在 Visual Basic 中共享）成员是线程安全的。不保证任何实例成员都是线程安全的。

另请参阅

参考

AbstractInstance 成员
Microsoft.Office.Server.ApplicationRegistry.Runtime 命名空间