Set Marker Rotation

setMarkerRotation

 public void setMarkerSizeOptions(Autodesk.AutoCAD.DatabaseServices.ObjectId msId, Autodesk.Civil.DatabaseServices.Styles.MarkerSizeType markerSizeType, double markerSize)
        {
             Autodesk.AutoCAD.ApplicationServices.Document acadDoc =
                Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
            Autodesk.Civil.ApplicationServices.CivilDocument civilDoc =
                Autodesk.Civil.ApplicationServices.CivilApplication.ActiveDocument;
            using (Autodesk.AutoCAD.DatabaseServices.Transaction trans = acadDoc.Database.TransactionManager.StartTransaction())
            {
                Autodesk.Civil.DatabaseServices.Styles.MarkerStyle ms =
                        msId.GetObject(OpenMode.ForWrite) as Autodesk.Civil.DatabaseServices.Styles.MarkerStyle;
                ms.SizeType = markerSizeType;
                markerSize = markerSize / 12;
                ms.MarkerSize = markerSize;
                trans.Commit();
            }
        }

        public void setMarkerSizeOptions(Autodesk.AutoCAD.DatabaseServices.ObjectId msId, Autodesk.AutoCAD.Geometry.Vector3d scale, double markerSize)
        {
            Autodesk.AutoCAD.ApplicationServices.Document acadDoc =
               Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument;
            Autodesk.Civil.ApplicationServices.CivilDocument civilDoc =
                Autodesk.Civil.ApplicationServices.CivilApplication.ActiveDocument;
            using (Autodesk.AutoCAD.DatabaseServices.Transaction trans = acadDoc.Database.TransactionManager.StartTransaction())
            {
                Autodesk.Civil.DatabaseServices.Styles.MarkerStyle ms =
                        msId.GetObject(OpenMode.ForWrite) as Autodesk.Civil.DatabaseServices.Styles.MarkerStyle;
                ms.SizeType = Autodesk.Civil.DatabaseServices.Styles.MarkerSizeType.FixedScale;
                markerSize = markerSize / 12;
                ms.MarkerSize = markerSize;
                ms.MarkerFixedScale.Add(scale);
                trans.Commit();
            }
        }