Compound Structure Set Material Id Method

public void SetMaterialId(
	int layerIdx,
	ElementId materialId
)

Public Sub SetMaterialId ( 
	layerIdx As Integer,
	materialId As ElementId
)

public:
void SetMaterialId(
	int layerIdx, 
	ElementId^ materialId
)

member SetMaterialId : 
        layerIdx : int * 
        materialId : ElementId -> unit 

Parameters

layerIdx Int32

Index of a layer in the CompoundStructure. The layer index is zero based. It counts from the exterior of wall and from the top of roofs, floors and ceilings.

materialId ElementId

The ElementId of a Material element.

Reference