Returns the element id of the level that defines the top of the underlay range.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 17.0.0.0 (17.0.1090.0)
Since: 2017

Syntax

C#
`public ElementId GetUnderlayTopLevel()`

Visual Basic
`Public Function GetUnderlayTopLevel As ElementId`

Visual C++
`public: ElementId^ GetUnderlayTopLevel()`

Return Value

If the underlay base level is a valid level, and this method returns InvalidElementId, then the underlay range is unbounded, and consists of everything above the underlay base level.

GetUnderlayTopLevel Method

Syntax

Return Value

See Also

Stop fighting Revit automation.