Stairs   |  
 Gets the number system reference corresponding to the given reference options. 
 Namespace: Autodesk.Revit.DB.Architecture
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
public Reference GetNumberSystemReference(
	StairsNumberSystemReferenceOption referenceOption
) Parameters
- referenceOption StairsNumberSystemReferenceOption
 - The reference option.
 
Return Value
ReferenceThe reference.
| Exception | Condition | 
|---|---|
| ArgumentOutOfRangeException | A value passed for an enumeration argument is not a member of that enumeration | 
 The return value of this function is suitable for use in NumberSystem.Create() to associate a NumberSystem with the location on the StairsRun. Don't try to get geometry curve from the reference.