ModelConversionExtensionContext Class

Provides file and project information to Visual Studio extensions that enable the loading and saving of custom file formats.


Namespace:  Microsoft.Data.Entity.Design.Extensibility
Assembly:  Microsoft.Data.Entity.Design.Extensibility (in Microsoft.Data.Entity.Design.Extensibility.dll)

public abstract class ModelConversionExtensionContext : ExtensionContext

The ModelConversionExtensionContext type exposes the following members.

Protected methodModelConversionExtensionContextCreates a new instance of the ModelConversionExtensionContext class.

Public propertyCurrentDocumentReturns the .edmx document after it has been converted from a custom file format.
Public propertyEntityFrameworkVersionThe targeted version of the Entity Framework. (Inherited from ExtensionContext.)
Public propertyErrorsA list of errors that can be shown in the Visual Studio Error List when loading a custom file format and converting it to a custom file format.
Public propertyFileInfoReturns information about the custom file being processed by the Entity Data Model Designer.
Public propertyOriginalDocumentReturns the original document as opened or saved by the Entity Designer.
Public propertyProjectThe current Visual Studio project. (Inherited from ExtensionContext.)
Public propertyProjectItemThe current Visual Studio project item.

Public methodEquals (Inherited from Object.)
Protected methodFinalize (Inherited from Object.)
Public methodGetHashCode (Inherited from Object.)
Public methodGetType (Inherited from Object.)
Protected methodMemberwiseClone (Inherited from Object.)
Public methodToString (Inherited from Object.)

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.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.