The id of the material applied to this element.

Namespace: Autodesk.Revit.DB.Architecture
Assembly: RevitAPI (in RevitAPI.dll) Version: 22.0.0.0 (22.1.0.0)
Since: 2014

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); }`

Remarks

This applies to TopographySurface and SiteSubRegion elements.

Exception	Condition
Autodesk.Revit.Exceptions ArgumentException	When setting this property: The materialId cannot map to a valid material element.
Autodesk.Revit.Exceptions ArgumentNullException	When setting this property: A non-optional argument was null