树递归绑定

2015-10-25 19:13:48 访问(1814) 赞(0) 踩(0)


        /// <summary>
        /// 
        /// </summary>
        const string application_cascade = "application_cascade";

        /// <summary>
        /// 
        /// </summary>
        const string application_form = "application_form";

        


        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        public ImageList CreateTreeIconImageList()
        {
            ImageList theResult = new ImageList();

            int idx = -1;

            theResult.Images.Add
                (
                    global::SlowX.WebManage.Properties.Resources.application_cascade
                );

            ++idx;
            theResult.Images.SetKeyName(idx, application_cascade);

            theResult.Images.Add
                (
                    global::SlowX.WebManage.Properties.Resources.application_form
                );

            ++idx;
            theResult.Images.SetKeyName(idx, application_form);

            return theResult;
        }


 ImageList il = CreateTreeIconImageList();
                treeView_Menu.ImageList = il;



        /// <summary>
        /// 
        /// </summary>
        /// <param name="mList"></param>
        protected void InitMenuTree(List<WebClientMenuDataInfo> mList)
        {
            TreeView tv = treeView_Menu;
            tv.Nodes.Clear();

            DataBindTree
                (
                    tv.Nodes,
                    mList,
                    0
                );
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="tnc"></param>
        /// <param name="mList"></param>
        /// <param name="pId"></param>
        protected void DataBindTree
            (
                TreeNodeCollection tnc,
                List<WebClientMenuDataInfo> mList,
                long pId
            )
        {
            TreeNode tn = null;

            foreach (WebClientMenuDataInfo info in mList)
            {
                if (info.PID != pId)
                {
                    continue;
                }

                tn = new TreeNode();
                tn.Name = CommonName.tn_ + info.ID.ToString();
                tn.Tag = info;
                tn.Text = info.TheName;

                if (info.ToolTip != null && info.ToolTip.Length > 0)
                    tn.ToolTipText = info.ToolTip;

                if (info.ClassName != null && info.ClassName.Length > 0)
                {

                    tn.ImageKey
                  =
                  application_form;

                    tn.SelectedImageKey
                        =
                        application_form;
                }
                else
                {
                    tn.ImageKey
                 =
                 application_cascade;

                    tn.SelectedImageKey
                        =
                        application_cascade;
                }

                tnc.Add(tn);

                DataBindTree
                    (
                        tn.Nodes,
                        mList,
                        info.ID
                    );
            }
        }