P

CompoundStructureLayer.MaterialId

Description:
Id of the material assigned to this layer.

public ElementId MaterialId { get; set; }

Public Property MaterialId As ElementId
	Get
	Set

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

member MaterialId : ElementId with get, set

ArgumentNullException

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