M

Railing.GetSubelementOnLevel

Description:
Gets the subelement on given level.

Remarks:
The method is valid only for railings hosted by stairs in MultistoryStairs. Input level should be a level of the railing stairs. See getStairsPlacementLevels method of MultistoryStairs.

public Subelement GetSubelementOnLevel(
	ElementId levelId
)

Public Function GetSubelementOnLevel ( _
	levelId As ElementId _
) As Subelement

public:
Subelement^ GetSubelementOnLevel(
	ElementId^ levelId
)

Autodesk.Revit.DB.ElementId

levelId

The id of the level the railing subelement is placed on.

Return Value nullNothingnullptr The subelement in given level. null Nothing nullptr a null reference ( Nothing in Visual Basic) will be returned if railing has no subelements on given level.

Autodesk.Revit.Exceptions.ArgumentNullException

A non-optional argument was NULL
Autodesk.Revit.Exceptions.InvalidOperationException

The railing is not hosted by stairs inMultistoryStairs.