Assembly: PresentationCore (in presentationcore.dll)
Return ValueA modifiable copy of the MaterialGroup. The returned copy is effectively a deep clone of the current object, although some copying might be deferred until necessary for improved performance. The copy's IsFrozen property is false.
Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter EditionThe Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.