The attribute is placed on a serializer to indicate the class to use as a default provider of that type of serializer.
Assembly: System (in System.dll)
To be a default serialization provider, a class must implement the IDesignerSerializationProvider interface and have an empty constructor. The class itself can be internal to the assembly. This class cannot be inherited.
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.