Provides a base class for accessing the types, directives, and controls in the current Web project document. This class must be inherited.
Assembly: System.Design (in System.Design.dll)
The base class is implemented by designer hosts to provide access to types, directives, and user controls defined in a Web project document. A control designer class can use the to access the definitions in the current document, and to add a new tag prefix to the current document.
You access the services supplied by the designer host through the ReferenceManager property of a WebFormsRootDesigner implementation. The WebFormsRootDesigner implementation can be accessed in two ways:
Classes deriving from ControlDesigner can use the RootDesigner property to access a WebFormsRootDesigner implementation supplied by the designer host. The implementation is supplied through the ReferenceManager property of RootDesigner property.
Other designer classes can access the WebFormsRootDesigner implementation by first obtaining the IDesignerHost services implementation through the designer component's Site, and then calling the GetDesigner method using the designer host RootComponent property.
replaces the obsolete interface IWebFormReferenceManager. Older designer hosts may only support the IWebFormReferenceManager interface implementation. Check that the WebFormsRootDesigner and implementations supplied by the designer host are not null to ensure the designer host implements the WebFormsRootDesigner and classes.
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98