All types within the registered assembly are enumerated and any that derive from Infragistics.Documents.Excel.CalcEngine.ExcelCalcFunction class are added to the list of available formula functions
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