private void axMxDrawX1_CustomEvent_1(object sender, AxMxDrawXLib._DMxDrawXEvents_CustomEventEvent e)
    {
            MxDrawUtility mxUtility = new MxDrawUtility();

            MxDrawPoint getPt;
            MxDrawEntity ent = mxUtility.GetEntity(out getPt, "选择实体");
            if (ent == null)
                return;
            Int64 id = ent.ObjectID;
            ent.Close();


            MxDrawResbuf param = new MxDrawResbuf();
            param.AddObjectId(id);
            param.AddDouble(0.1);

            MxDrawResbuf ret = (MxDrawResbuf)axMxDrawX1.CallEx("Mx_DiscreteCurve", param);

            for (int i = 1; i < ret.Count; i++)
            {
                MxDrawEntity ent2 = (MxDrawEntity)axMxDrawX1.ObjectIdToObject(ret.AtObjectId(i));
                ent2.colorIndex = MxDrawXLib.MCAD_COLOR.mcGreen;
            }