The visualization material for the MassZone. Will be InvalidElementId if material is by category or the material type is by MassZoneMaterialTypeMaterialBySurfaceType.

Namespace: Autodesk.Revit.DB.Analysis
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Since:  2012

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);
}

Exceptions

ExceptionCondition
Autodesk.Revit.Exceptions..::..ArgumentException When setting this property: The input element materialId is not a material element. -or- When setting this property: The MassZone does not have normal material type handling, so the material setting is not appropriate.
Autodesk.Revit.Exceptions..::..ArgumentNullException When setting this property: A non-optional argument was NULL

See Also