Calling the Design or Print Method

ListLabel.DataController.AutoMasterMode := TLlAutoMasterMode.mmAsVariables;

ListLabel.DataController.DataMember :='Bestellungen';

ListLabel.AutoProjectFile :='inv_merg.lst';

ListLabel.Design;

The current FireDAC component is based on the .NET component, for more information see the .NET help (combit.ListLabel29.chm).