M

ViewPlan.GetUnderlayTopLevel

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

public ElementId GetUnderlayTopLevel()

Public Function GetUnderlayTopLevel As ElementId

public:
ElementId^ GetUnderlayTopLevel()

member GetUnderlayTopLevel : unit -> ElementId

ElementId 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.

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ViewPlan.GetUnderlayTopLevel

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Return Value

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