Provides UI support for working with extender controls at design time.
public class ExtenderControlDesigner : ControlDesigner
The ExtenderControlDesigner class enables you to interact with extender controls on the page at design time in an IDE such as Microsoft Visual Studio 2005. Only control developers and IDE developers have to interact with this class directly.
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
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.