更新軌跡 MapInfo操作

 private void UpdateTrack(string tableName, string layerName,DPoint newPos)
        {
            Table table = Session.Current.Catalog.GetTable(tableName);
            if (table != null)
            {
                SearchInfo si = MapInfo.Data.SearchInfoFactory.SearchWhere("");
                Feature feature = Session.Current.Catalog.SearchForFeature(table, si);
                if (feature != null)
                {
                    DPoint offPoint = new DPoint(newPos.x - feature.Geometry.Centroid.x, newPos.y - feature.Geometry.Centroid.y);
                    feature.Geometry.GetGeometryEditor().OffsetByXY(offPoint.x, offPoint.y, DistanceUnit.Degree, DistanceType.Spherical);
                    feature.Geometry.EditingComplete();
                    feature.Update();
                }
            }
        }


        private void UpdatePos()
        {
            double x = 119.8, y = 31.8;
            for (int i = 0; i < 400; i++)
            {
                x = x - 0.002;
                DPoint newPos = new DPoint(x, y);

                //UpdateTrack("cc", "cc", newPos);
                this.Invoke(new InvokeMethod(UpdateTrack), new object[] { "cc", "cc", newPos });
                Thread.Sleep(300);
            }
        }