If left set to null then the default 'Generic' theme will be used. This property can be set to the name of any registered theme (see Infragistics.Windows.Themes.ThemeManager.Register and Infragistics.Windows.Themes.ThemeManager.GetThemes methods).
The following themes are pre-registered by this assembly but additional themes can be registered as well.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2