With the method AddNewGroupAndFirstCarrier, you can create a new group with a first carrier. For adding more carriers to the group, you have to call the method AddCarrierToGroup.
The method AddNewGroupAndFirstCarrier is a mandatory method for creating a group pattern. When starting to create a new group pattern, you must first call the method SetNewPattern (see SetNewPattern) and then the method AddNewGroupAndFirstCarrier.
The return value AddNewGroupAndFirstCarrier of type BOOL indicates TRUE if a group with a first carrier has been successfully added to the pattern.