Command
QisLib_SetScaleBar

QisLib_SetScaleBar

Function:
	int QisLib_SetScaleBar(int Options);

Inputs:
	Options: _QISSB_UR(upper right) or _QISSB_UL(upper left) or _QISSB_LL(lower left) or
	_QISSB_LR(lower right) _QISSB_ON (lower right) or _QISSB_OFF(no scale bar)

Return:
	0 (always)

Errors: -

Description:
	- When turned on, QisLib_Redraw or QisLib_GetImage display a scale bar overlaid on the
	data.
	- The corner where the scale bar appears depends on one of the above settings.
	- Default behavior is no scale bar.
	- When set to "On", it appears on the lower right.
	- The scale bar changes as we zoom in or out.