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        /// 

        /// 删除对象
        /// 
        /// 
        private void DeleteNxObject(NXObject[] objects)
        {
            NXOpen.Session.UndoMarkId markId = theSession.SetUndoMark(NXOpen.Session.MarkVisibility.Visible, "Delete");
            int nErrs1 = theSession.UpdateManager.AddToDeleteList(objects);
            int nErrs2 = theSession.UpdateManager.DoUpdate(markId);
        }