Represents the .edmx file before the Update Model Wizard has run.
命名空间: Microsoft.Data.Entity.Design.Extensibility
程序集： Microsoft.Data.Entity.Design.Extensibility（在 microsoft.data.entity.design.extensibility.dll 中）
用法
语法
声明
Public MustOverride ReadOnly Property OriginalDocument As XDocument
public abstract XDocument OriginalDocument { get; }
public:
virtual property XDocument^ OriginalDocument {
XDocument^ get () abstract;
}
/** @property */
public abstract XDocument get_OriginalDocument ()
public abstract function get OriginalDocument () : XDocument
属性值
Represents the .edmx file before the Update Model Wizard has run.
备注
In a Visual Studio extension, the OriginalDocument property is the .edmx file (as an XDocument) before the Update Model Wizard has run. This file cannot be modified. The UpdateModelDocument property represents the .edmx file after the Update Model Wizard has run.
For more information about extending the functionality of the ADO.NET Entity Data Model Tools, see Extending the Entity Data Model Tools and ADO.NET Entity Data Model Designer Extension Starter Kit.
线程安全
此类型的任何公共静态（在 Visual Basic 中为 共享）成员都是线程安全的。不保证所有实例成员都是线程安全的。
平台
开发平台
Windows XP Home Edition, Windows XP Professional, Windows Server 2003 、Windows Server 2008 和 Windows 2000
目标平台
另请参见
参考
UpdateModelExtensionContext 类
UpdateModelExtensionContext 成员
Microsoft.Data.Entity.Design.Extensibility 命名空间
其他资源
Visual Studio Extensibility Developer Center
.edmx File Overview
Developing Visual Studio Extensions