Retrieves the material element id of a specified layer.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 23.0.0.0 (23.1.0.0)

Syntax

C#
public ElementId GetMaterialId(
	int layerIdx
)
Visual Basic
Public Function GetMaterialId ( _
	layerIdx As Integer _
) As ElementId
Visual C++
public:
ElementId^ GetMaterialId(
	int layerIdx
)

Parameters

layerIdx
Type: System..::..Int32
Index of a layer in the CompoundStructure.

Return Value

The material element id.

Exceptions

ExceptionCondition
Autodesk.Revit.Exceptions..::..ArgumentOutOfRangeException The layer index is out of range.

See Also