The material of the stairs run, only available for monolithic stairs run.

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

Syntax

C#
`public ElementId MaterialId { get; set; }`

Visual Basic
`Public Property MaterialId As ElementId Get Set`

Visual C++
`public: property ElementId^ MaterialId { ElementId^ get (); void set (ElementId^ value); }`

The id of the material of the stairs run, invalid ElementId if the stairs run is not monolithic.

Exceptions

Exception	Condition
Autodesk.Revit.Exceptions ArgumentException	When setting this property: The materialId is not a valid material element.
Autodesk.Revit.Exceptions ArgumentNullException	When setting this property: A non-optional argument was NULL
Autodesk.Revit.Exceptions InvalidOperationException	When setting this property: The stairs run type is not a monolithic type so the data being set is not applicable.