Begin_Com examples of components that can be visible at run time.
Begin_Com Role(*EXTENDS #PRIM_FORM) Height(338) Left(118) Top(163) Width(574) Caption('Sample Form ')
Begin_Com Role(*EXTENDS #PRIM_PANL)
An ancestor of PRIM_OBJT can be used to create component that has no visible portion
Begin_Com Role(*EXTENDS #PRIM_OBJT)
You can also use your own predefined component classes as an ancestor, as below, where XXXXXXXX is the name of your component.
Begin_Com Role(*EXTENDS #XXXXXXXXX)