private string ZHTTLX(esriGeometryType geotype)
        {
            string stype = geotype.ToString();

            switch (geotype)
            {
                case esriGeometryType.esriGeometryAny:
                    stype = "任何类型（Any valid geometry）";
                    break;
                case esriGeometryType.esriGeometryBag:
                    stype = "任意几何类型的集合（GeometryBag）";
                    break;
                case esriGeometryType.esriGeometryBezier3Curve:
                    stype = "贝兹曲线（BezierCurve）";
                    break;
                case esriGeometryType.esriGeometryCircularArc:
                    stype = "圆弧（CircularArc）";
                    break;
                case esriGeometryType.esriGeometryEllipticArc:
                    stype = "椭圆弧（EllipticArc）";
                    break;
                case esriGeometryType.esriGeometryEnvelope:
                    stype = "外包（Envelope）";
                    break;
                case esriGeometryType.esriGeometryLine:
                    stype = "线段（Line）";
                    break;
                case esriGeometryType.esriGeometryMultiPatch:
                    stype = "表面几何（MultiPatch）";
                    break;
                case esriGeometryType.esriGeometryMultipoint:
                    stype = "多点（Multipoint）";
                    break;
                case esriGeometryType.esriGeometryNull:
                    stype = "未知类型（Unknown）";
                    break;
                case esriGeometryType.esriGeometryPath:
                    stype = "路径（Path）";
                    break;
                case esriGeometryType.esriGeometryPoint:
                    stype = "点（Point）";
                    break;
                case esriGeometryType.esriGeometryPolygon:
                    stype = "多边形（Polygon）";
                    break;
                case esriGeometryType.esriGeometryPolyline:
                    stype = "多段线（Polyline）";
                    break;
                case esriGeometryType.esriGeometryRay:
                    stype = "射线（Ray）";
                    break;
                case esriGeometryType.esriGeometryRing:
                    stype = "环（Ring）";
                    break;
                case esriGeometryType.esriGeometrySphere:
                    stype = "球体（Sphere）";
                    break;
                case esriGeometryType.esriGeometryTriangleFan:
                    stype = "三角扇形（TriangleFan）";
                    break;
                case esriGeometryType.esriGeometryTriangleStrip:
                    stype = "三角带（TriangleStrip）";
                    break;
                case esriGeometryType.esriGeometryTriangles:
                    stype = "三角形（Triangles）";
                    break;
                default:
                    break;
            }
            
            return stype;
        }