Gets the set of region ids associated to a particular layer.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)

Syntax

C#
`public IList<int> GetRegionsAssociatedToLayer( int layerIdx )`

Visual Basic
`Public Function GetRegionsAssociatedToLayer ( _ layerIdx As Integer _ ) As IList(Of Integer)`

Visual C++
`public: IList<int>^ GetRegionsAssociatedToLayer( int layerIdx )`

layerIdx: Type: System Int32
The index of a layer in this CompoundStructure.

An array of region ids which are associated to the specified layer.

Remarks

Regions are associated to layers. In a vertically compound structure, more than one region may be associated to a single layer.

Exception	Condition
Autodesk.Revit.Exceptions ArgumentOutOfRangeException	The layer index is out of range.