Compound
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Retrieves the profile loop used for the specified structural deck.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.0.4.0 (26.0.4.0)

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.
Return Value
ElementIdThe element id of a FamilySymbol which contains a profile loop used by a structural deck associated to the specified layer, or invalidElementId if isStructuralDeck(layerIdx) is false.

Exception | Condition |
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ArgumentOutOfRangeException | The layer index is out of range. |
