The ramp's base (base level + base offset) must be below its top (top level + top offset).
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.2.0.0 (26.2.0.0)
Syntax
C#
public static FailureDefinitionId RampStartHigherThanEnd { get; }