Command
QisLib_SetNestingLevel

QisLib_SetNestingLevel

Function:
	int QisLib_SetNestingLevel(int Level);

Inputs:
	Level: The hierarchy level to be displayed ( > 0 ) or _QISNL_ALL (All nesting levels)

Return:
	success: 0
	failure: one of the following values :

Error Codes:
	-2: The specified nesting level is invalid

Description:
	- Controls the levels of cell reference hierarchy for which data is to be drawn or output.
	- Default is _QISNL_ALL (draw or output all levels).
	- This function along with QisLib_SetStructureOutline and QisLib_SetStructureLabels
	can control how cells are displayed while drawing.

References:
	QisLib_SetStructureOutline
	QisLib_SetStructureLabels
	_QISNL_ALL