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 (17.0.484.0)
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