DisconnectLevels Method

Shrinks the multistory stairs by disconnecting input levels.

Namespace: Autodesk.Revit.DB.Architecture
Assembly: RevitAPI (in RevitAPI.dll) Version: (
Since: 2018


public void DisconnectLevels(
	ISet<ElementId> levelIds
Visual Basic
Public Sub DisconnectLevels ( _
	levelIds As ISet(Of ElementId) _
Visual C++
void DisconnectLevels(
	ISet<ElementId^>^ levelIds


Type: System.Collections.Generic ISet ElementId
The level ids.


If you remove a stairs that is connected at the top and bottom to another level stairs, the remaining stairs will automatically adjust to maintain the multistory stairs. The stairs above the one that is removed extends to attach to the stairs on the level below the one that is removed. You cannot disconnect the levels of standard stair (the stair associated with the Reference Level for the multistory stairs) or already disconnected.


Exception Condition
Autodesk.Revit.Exceptions ArgumentException This multistory stairs cannot disconnect from one or more members of levelIds.
Autodesk.Revit.Exceptions ArgumentNullException A non-optional argument was NULL

See Also