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Namespace: Autodesk.Revit.DB Class: CompoundStructure

CompoundStructure.GetLastCoreLayerIndex

Method
Description:
Gets the index of the last core layer.
Remarks:
This is the index on the interior side. You can change the shell/core layer boundary using SetNumberOfShellLayers(ShellLayerType, Int32).
Syntax 
public int GetLastCoreLayerIndex()