Merges the two regions which share the specified segment.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)

Syntax

C#
`public int MergeRegionsAdjacentToSegment( int segmentId, int layerIdxForMergedRegion )`

Visual Basic
`Public Function MergeRegionsAdjacentToSegment ( _ segmentId As Integer, _ layerIdxForMergedRegion As Integer _ ) As Integer`

Visual C++
`public: int MergeRegionsAdjacentToSegment( int segmentId, int layerIdxForMergedRegion )`

layerIdxForMergedRegion: Type: SystemInt32
The index of the layer to which the resulting region will be associated.

The id of the resulting region. If -1 is returned, then the operation would have produced an invalid region and was not performed.

Exceptions

Exception	Condition
Autodesk.Revit.ExceptionsArgumentOutOfRangeException	The layer index is out of range.
Autodesk.Revit.ExceptionsInvalidOperationException	Split and merge regions operations can be used only for vertically compound structures without variable thickness layers. -or- The segment is not shared by adjacent regions.