The number of risers is calculated based on the height between levels.

Namespace: Autodesk.Revit.DB.Architecture
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)
Since: 2013

Syntax

C#
`public int DesiredRisersNumber { get; set; }`

Visual Basic
`Public Property DesiredRisersNumber As Integer Get Set`

Visual C++
`public: property int DesiredRisersNumber { int get (); void set (int value); }`

Exceptions

Exception	Condition
Autodesk.Revit.Exceptions ArgumentOutOfRangeException	When setting this property: The given value for numberOfRisers is not positive.