MainCAD.SendStringToExecute(cmdTimer.Tag.ToString());

     //取最后一条线
     tmpParams = new MxDrawResbuf();
     tmpParams = (MxDrawResbuf)MainCAD.Call("Mx_GetEntitysNewAddCmd", "");
     MessageBox.Show("发现" + (tmpParams.Count -1).ToString() + "条记录");
     for (i = 1; i < tmpParams.Count; i++)
     {
         tmpObjID = tmpParams.AtObjectId(i);
         if (tmpObjID == 0) continue;

         tmpEn = MainCAD.ObjectIdToObject(tmpObjID) as MxDrawEntity;
         tmpObjName = tmpEn.ObjectName;
         tmpEn.SetxDataString("NAME", 0, "线段" + i.ToString());
         tmpEn.colorIndex = MCAD_COLOR.mcGreen;
     }

     MainCAD.UpdateDisplay();