c# winfom从0学习开发开发OA、BPM工作流程与自定义表单系统（四）组织机构管理

 Bll_oa_department.LoadTreeViewAndComboBox(cb_parent_id, tv_department,false,false);

        private static string toadd = "├";
        public static void LoadTreeViewAndComboBox(ComboBox cb, TreeView treeView,bool is_show_personnel,bool is_show_checkbox)
        {
            ImageList imageList = new ImageList();
            imageList.Images.Add("folder", Properties.Resources.folder);
            imageList.Images.Add("user", Properties.Resources.user);
            imageList.Images.Add("user_red", Properties.Resources.user_red);
            imageList.ImageSize = new System.Drawing.Size(32, 32);


            ArrayList list = new ArrayList();
            if (treeView != null)
                treeView.Nodes.Clear();
            treeView.ImageList = imageList;
            var departmentList = GetDataByParentID(0);
            foreach (var u in departmentList)
            {
                int typeId = u.id;
                string typeName = u.name;
                TreeNode node = new TreeNode();
                node.Text = Convert.ToString(typeName);
                node.Name = Convert.ToString(typeId);
                node.ImageKey = "folder"; // 设置子节点1的图标索引
                node.SelectedImageKey = "folder";
                if (treeView != null)
                    treeView.Nodes.Add(node);
                list.Add(new System.Collections.DictionaryEntry(typeId, toadd + typeName));
                BindData(typeId, node, list, is_show_personnel, is_show_checkbox);
            }
            if (treeView != null)
                treeView.ExpandAll();

            if (cb != null)
            {
                cb.DataSource = list;
                cb.DisplayMember = "Value";
                cb.ValueMember = "Key";
            }
            if(is_show_checkbox)
            // 需要判断是不是需要打开 选择框
            treeView.CheckBoxes = true;
        }

        private static void BindData(int parentId, TreeNode parentNode, ArrayList list, bool is_show_personnel,bool is_show_checkbox)
        {
            var List = GetDataByParentID(parentId);

            if (is_show_personnel)
            {
                var personnelList = Bll.Bll_oa_user.GetDataByDepartmentIDUserList(parentId); // 获取当前节点下的人员列表      
                foreach (var personnel in personnelList)
                {
                    TreeNode personnelNode = new TreeNode();
                    personnelNode.Text = personnel.username;
                    personnelNode.Name = Convert.ToString(personnel.id);
                    if (personnel.gender == "男")
                    {
                        personnelNode.ImageKey = "user";
                        personnelNode.SelectedImageKey = "user";
                    }
                    else
                    {
                        personnelNode.ImageKey = "user_red";
                        personnelNode.SelectedImageKey = "user_red";
                    }
                    // 在节点前添加复选框
                    // personnelNode.Checked = true; // 根据实际情况设置是否选中
                    parentNode.Nodes.Add(personnelNode);
                }
            }



            foreach (var u in List)
            {
                int typeId = u.id;
                string typeName = u.name;
                TreeNode node = new TreeNode();
                node.Text = Convert.ToString(typeName);
                node.Name = Convert.ToString(typeId);
                node.ImageKey = "folder"; // 设置子节点1的图标索引
                node.SelectedImageKey = "folder";
                parentNode.Nodes.Add(node);
                toadd += "┴";
                list.Add(new System.Collections.DictionaryEntry(typeId, toadd + typeName));
                BindData(typeId, node, list, is_show_personnel, is_show_checkbox);
                toadd = toadd.Substring(0, toadd.Length - 1);
            }
        }