For a spiral, the number of finishing turns at the lower end of the spiral.
Namespace: Autodesk.Revit.DB.Structure
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
public int BaseFinishingTurns { get; set; }
Int32
Exception
Condition
When setting this property: turns must be between 0 and 100.
This RebarContainerItem is not an instance of a spiral shape.
Applies only to instances where RebarShape.Definition is of type RebarShapeDefinitionByArc, and its Type property is equal to the value RebarShapeDefinitionByArcType.Spiral.