/// <summary>

        /// 将一个指定的组合图形拆分为多个图形,拆分后的子图形将被设置为【非锁定】和【非选中】状态。

        /// </summary>

        /// <param name="dGroup">指定要拆分的组合图形</param>

        /// <returns>返回一个包含拆分后的子图形的图形列表</returns>

        public static List<BaseElement> BreakObj(DrawGroup dGroup)

        {

            if (dGroup == null)

            {

                throw new Exception("请确保参数不为null。方法名：[GroupAction.BreakObj];参数：[DrawGroup dGroup]");

            }

            if (dGroup.children == null)

            {

                throw new Exception("请确保参数是一个有效的组合图形。方法名：[GroupAction.BreakObj];参数：[DrawGroup dGroup]");

            }

            if (dGroup.children.Count <= 0)

            {

                throw new Exception("请确保参数是一个有效的组合图形。方法名：[GroupAction.BreakObj];参数：[DrawGroup dGroup]");

            }



            for (int i = 0; i < dGroup.children.Count; i++)

            {

                if (dGroup.children[i] == null)

                {

                    dGroup.children.RemoveAt(i);

                    i--;

                    continue;

                }

                dGroup.children[i].BLock = false;

            }

            if (dGroup.children.Count <= 0)

            {

                throw new Exception("请确保参数是一个有效的组合图形。方法名：[GroupAction.BreakObj];参数：[DrawGroup dGroup]");

           &nbs