Enum which describes gauge tick mark style.
| Enumerator | 
|---|
| BCGP_TICKMARK_LINE | Line style of tick mark.  | 
| BCGP_TICKMARK_TRIANGLE | Triangle style of tick mark.  | 
| BCGP_TICKMARK_BOX | Box (rectangular) style of tick mark.  | 
| BCGP_TICKMARK_CIRCLE | Circle style of tick mark.  | 
| BCGP_TICKMARK_TRIANGLE_INV | Inverted triangle style of tick mark.  |