Share Email Facebook Twitter LinkedIn IndexLine.Index1 Property The index of the line segment's second vertex. Namespace: Autodesk.Revit.DB.DirectContext3DAssembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0) Syntax C# public int Index1 { get; set; }Property ValueInt32 See AlsoReferenceIndexLine ClassAutodesk.Revit.DB.DirectContext3D Namespace