Supported bearer bar types. 
Enumerations for all supported bearer bar types 
- Enumerator: 
- 
| eBearerBar_None | =0: No bearer bar. |  | eBearerBar_TopAndBottom | =1: Bearer Bar is drawn on top and bottom of the bar code. |  | eBearerBar_Rectangle | =2: Bearer Bar is drawn on all sides of the bar code. |  | eBearerBar_Top | =3: Bearer Bar is drawn on the upper side of the bar code. |  | eBearerBar_Bottom | =4: Bearer Bar is drawn on the bottom side of the bar code. |