Provides file and project information to Visual Studio extensions that add custom properties to objects visible in the Entity Data Model Designer or the Model Browser.
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 MustInherit Class PropertyExtensionContext
Inherits ExtensionContext
public abstract class PropertyExtensionContext : ExtensionContext
public ref class PropertyExtensionContext abstract : public ExtensionContext
public abstract class PropertyExtensionContext extends ExtensionContext
public abstract class PropertyExtensionContext extends ExtensionContext
备注
In a Visual Studio extension, the PropertyExtensionContext class is used when you want to add custom properties to objects that are visible in the Entity Data Model Designer or the Model Browser (such as entity types or associations). An instance of PropertyExtensionContext is passed to the CreateProperty method, which adds custom properties to selected objects and makes the properties visible in the Visual Studio Properties window.
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.
继承层次结构
System.Object
Microsoft.Data.Entity.Design.Extensibility.ExtensionContext
Microsoft.Data.Entity.Design.Extensibility.PropertyExtensionContext
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
PropertyExtensionContext 成员
Microsoft.Data.Entity.Design.Extensibility 命名空间
其他资源
Visual Studio Extensibility Developer Center
Developing Visual Studio Extensions
.edmx File Overview