| .gif) | ConfigurationHelperService | A service used by the settings UI in Visual Studio to read and write client settings into the app.config configuration file. It stores user-customizable settings in XML format | 
| .gif) | DesignerDocDataService | Provides a way to create and retrieve buffers for various files in the project. | 
| .gif) | DocData | A wrapper around a DocData object that provides additional features. | 
| .gif) | DocDataTextReader | Derives from TextReader and provides a standard mechanism for reading from a Visual Studio text buffer. | 
| .gif) | DocDataTextWriter | Provides a standard System.IO mechanism for writing to a Visual Studio text buffer. | 
| .gif) | LocalizationProviderService | A designer serialization provider that adds extended properties to support localization. | 
| .gif) | ProvideDesignerLoaderAttribute | Place this attribute on a class that is derived from DesignerLoader to associate the class with a particular language service or file extension. | 
| .gif) | ProvideGeneratorAttribute | Registers the given code generator for Visual Basic and Visual C# projects when added to a Package-derived class or a class that implements IVsPackage. | 
| .gif) | RelatedDocDataCollection | A strongly-typed collection that stores document data objects. |