SMC_RecalculateHelpMarks (FUN)
FUNCTION SMC_RecalculateHelpMarks : BOOL
This function recalculates the positions of the helpmarks if the length of one object has changed from l, starting at the beginning iDir = 1 or end iDir = -1.
InOut:
| Scope | Name | Type | 
| Return | SMC_RecalculateHelpMarks | BOOL | 
| Input | pg | POINTER TO SMC_GeoInfo | 
| l | LREAL | |
| iDir | INT |