P

MassSurfaceData.MaterialId

Description:
The visualization material used for the surface for displaying the energy analytical model.

public ElementId MaterialId { get; set; }

Public Property MaterialId As ElementId
Get
Set

public:
property ElementId^ MaterialId {
	ElementId^ get ();
	void set (ElementId^ value);
}

Autodesk.Revit.Exceptions.ArgumentException

When setting this property: The input element materialId is not a material element.
Autodesk.Revit.Exceptions.ArgumentNullException

When setting this property: A non-optional argument was null