TreeView控件操作开发篇之（三）
1，树控件的上下左右移动。将此组件放到TreeView的keyup事件中，即可看到效果

  #region "查找遍历树节点"        /// <summary>        /// 查找遍历树节点,根据节点名称        /// </summary>        /// <param name="Tv">要查找的树</param>        /// <param name="NodeName">查找的树的节点名称</param>        /// <returns>TreeNode[]</returns>        public TreeNode[] FindTreeNodeFromNodeName(TreeView Tv, string NodeName)        {            if (Tv.Nodes!=null)            {                 return Tv.Nodes.Find(NodeName, true);            }            return null;        }        /// <summary>        /// 查找遍历树节点,根据树节点路径        /// </summary>        /// <param name="Tv">要查找的树</param>        /// <param name="NodeFullPath">查找树的节点路径</param>        /// <returns></returns>        public TreeNode FindTreeNodeFromNodePath(TreeView Tv, string NodeFullPath)        {            string tempPath = string.Empty;            if (NodeFullPath.LastIndexOf("\\") > 0) //节点0//节点3//节点8            {                tempPath = NodeFullPath.Substring(NodeFullPath.LastIndexOf("\\") + 1);            }            else            {                tempPath = NodeFullPath;            }            TreeNode[] Node = FindTreeNodeFromNodeName(Tv, tempPath);            foreach (TreeNode aNode in Node)            {                if (aNode.FullPath == NodeFullPath)                {                    return aNode;                }            }            return null;        }        /// <summary>        /// 查找遍历树节点,根据树节点tag        /// </summary>        /// <param name="Tv">要查找的树</param>        /// <param name="tag">要查找的tag值</param>        /// <returns></returns>        public TreeNode[] FindTreeNodeFromNodeTag(TreeView Tv, string tag)        {            try            {                TreeNode[] tNode = null;                if (Tv == null && Tv.Nodes.Count == 0)                {                    return null;                }                System.Collections.ArrayList aList = new System.Collections.ArrayList();                foreach (TreeNode node in Tv.Nodes)                {                    ForTreeNode(node, tag, ref aList);                }                tNode = new TreeNode[aList.Count];                for (int i = 0; i < aList.Count; i++)                {                    tNode[i] = (TreeNode)aList[i];                }                return tNode;            }            catch            {                return null;            }        }        /// <summary>        /// 递归树的节点        /// </summary>        /// <param name="node">要遍历的节点</param>        /// <param name="tag">查找的Tag值</param>        /// <param name="aList"></param>        private void ForTreeNode(TreeNode node, string tag, ref System.Collections.ArrayList aList)        {            if (node.Tag!=null && node.Tag.ToString()==tag)            {                aList.Add(node);//将节点添加到数组中            }            foreach (TreeNode iNode in node.Nodes)            {                ForTreeNode(iNode,tag,ref aList);            }        }        #endregion