NumberSystem Class

An annotation that consists of a series of numeric tags attached to and describing a host element.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: (
Since: 2013


public class NumberSystem : Element
Visual Basic
Public Class NumberSystem _
	Inherits Element
Visual C++
public ref class NumberSystem : public Element


For a component-based stair, you can display tread/riser numbers for a run in plan, elevation, or section view. Sketch-based stair is not supported.

Inheritance Hierarchy

System Object
Autodesk.Revit.DB Element
Autodesk.Revit.DB NumberSystem

See Also