If the instance is hosted by a wall, this property returns the parameter value of the insertion point of the instance along the wall's location curve.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)
Syntax
Remarks
This works for instances with a host element that is of type Wall or is in the OST_Walls category only, including in-place ones.