Visual Basic (Declaration)
C#
The base symbolization provider has a simple classification consisting of one class and this property value
is always true for it.
This property should be overriden in derived classes to provide a thematic classification of features.
Target Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family