Provides file and project information to Visual Studio extensions that enable the loading and saving of custom file formats.
名前空間: Microsoft.Data.Entity.Design.Extensibility
アセンブリ: Microsoft.Data.Entity.Design.Extensibility (microsoft.data.entity.design.extensibility.dll 内)
使用方法
構文
'宣言
Public MustInherit Class ModelConversionExtensionContext
Inherits ExtensionContext
public abstract class ModelConversionExtensionContext : ExtensionContext
public ref class ModelConversionExtensionContext abstract : public ExtensionContext
public abstract class ModelConversionExtensionContext extends ExtensionContext
public abstract class ModelConversionExtensionContext extends ExtensionContext
解説
In a Visual Studio extension, use the ModelConversionExtensionContext class to enable the Entity Data Model Designer (Entity Designer) to load and save files with a custom format. An instance of ModelConversionExtensionContext is passed to the IModelConversionExtension.OnAfterFileLoaded method or the IModelConversionExtension.OnBeforeFileSaved method, which define how custom file formats will be loaded and saved.
By default, the Entity Designer loads and saves .edmx files. The IModelConversionExtension class enables the Entity Designer to load and save files that have a different format. The IModelTransformExtension class, by contrast, transforms an .edmx file before it is displayed in the Entity Designer and before it is saved. These two classes can be used together in the same Visual Studio extension.
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.
継承階層
System.Object
Microsoft.Data.Entity.Design.Extensibility.ExtensionContext
Microsoft.Data.Entity.Design.Extensibility.ModelConversionExtensionContext
スレッド セーフ
この型の public static (Visual Basic では Shared) メンバーは、スレッド セーフです。インスタンス メンバーの場合は、スレッド セーフであるとは限りません。
プラットフォーム
開発プラットフォーム
Windows XP Home Edition, Windows XP Professional, Windows Server 2003 、Windows Server 2008、および Windows 2000
ターゲット プラットフォーム
参照
リファレンス
ModelConversionExtensionContext のメンバー
Microsoft.Data.Entity.Design.Extensibility 名前空間
その他のリソース
Visual Studio Extensibility Developer Center
Developing Visual Studio Extensions
.edmx File Overview