Provides a base class for the design-time functionality of a Web Forms page and allows access to and manipulation of components and controls that are contained within the Web Forms page at design time.
Assembly: System.Design (in System.Design.dll)
A design host, such as Visual Studio 2005, must provide its own derived version of the class to control designers through the RootDesigner property of the designer. Control designers use the RootDesigner property to access and manipulate the containing Web Forms page at design time.Notes to Inheritors:
When you inherit from the class, you must override the following members:
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
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.