C# TreeNode.Expand方法代码示例

    public void BindBuMenTree(TreeNodeCollection Nds, int IDStr)
    {
        DataSet MYDT=ZWL.DBUtility.DbHelperSQL.GetDataSet("select * from ERPBuMen where DirID=" + IDStr.ToString() + " order by ID asc");
        for(int i=0;i<MYDT.Tables[0].Rows.Count;i++)
        {
            TreeNode OrganizationNode = new TreeNode();
            string CharManStr = "";
            if (MYDT.Tables[0].Rows[i]["ChargeMan"].ToString().Trim().Length <= 0)
            {
                CharManStr = "<font color=\"Red\">[未设置负责人]</font>";
            }
            else
            {
                CharManStr = MYDT.Tables[0].Rows[i]["ChargeMan"].ToString().Trim();
            }

            OrganizationNode.Text = MYDT.Tables[0].Rows[i]["BuMenName"].ToString() + "&nbsp;部门主管：" + CharManStr;
            OrganizationNode.ToolTip = "部门主管：" + MYDT.Tables[0].Rows[i]["ChargeMan"].ToString() + "\n电话：" + MYDT.Tables[0].Rows[i]["TelStr"].ToString() + "\n传真：" + MYDT.Tables[0].Rows[i]["ChuanZhen"].ToString() + "\n备注：" + MYDT.Tables[0].Rows[i]["BackInfo"].ToString();

            OrganizationNode.Value = MYDT.Tables[0].Rows[i]["ID"].ToString();
            int strId = int.Parse(MYDT.Tables[0].Rows[i]["ID"].ToString());
            OrganizationNode.ImageUrl = "~/images/user_group.gif";
            OrganizationNode.SelectAction = TreeNodeSelectAction.Expand;

            OrganizationNode.Expand();
            Nds.Add(OrganizationNode);
            //递归循环
            BindBuMenTree(Nds[Nds.Count - 1].ChildNodes, strId);
        }
    }

    private void GetBuilds()
    {
        DataSet PrSet = ItemDAL.GetBuildNames();

        treeView1.Nodes.Clear();

        foreach (DataRow dr in PrSet.Tables[0].Rows)
        {

            TreeNode tnParent = new TreeNode();

            tnParent.Text = dr["Build"].ToString();

            tnParent.Value = dr["Build"].ToString();

            //   tnParent.PopulateOnDemand = true;

            //   tnParent.ToolTip = "Click to get Child";

            //   tnParent.SelectAction = TreeNodeSelectAction.SelectExpand;

            tnParent.Expand();

            //   tnParent.Selected = true;

            treeView1.Nodes.Add(tnParent);

            FillBuildStatuses(tnParent, tnParent.Text);

        }
    }

    private void BindTree(TreeNodeCollection Nds, int IDStr)
    {
        SqlConnection Conn = new SqlConnection(ConfigurationManager.AppSettings["SQLConnectionString"].ToString());
        Conn.Open();
        SqlCommand MyCmd = new SqlCommand("select * from ERPBuMen where DirID=" + IDStr.ToString() + " order by ID asc", Conn);
        SqlDataReader MyReader = MyCmd.ExecuteReader();
        while (MyReader.Read())
        {
            TreeNode OrganizationNode = new TreeNode();
            OrganizationNode.Text = MyReader["BuMenName"].ToString();
            OrganizationNode.Value = MyReader["ID"].ToString();
            int strId = int.Parse(MyReader["ID"].ToString());
            OrganizationNode.ImageUrl = "~/images/user_group.gif";
            OrganizationNode.SelectAction =  TreeNodeSelectAction.Expand ;

            string ChildID = ZWL.DBUtility.DbHelperSQL.GetSHSLInt("select top 1 ID from ERPBuMen where DirID=" + MyReader["ID"].ToString() + " order by ID asc");
            if (ChildID.Trim() != "0")
            {
                //需要父项目一起选中，如果父项目不需要的话，请不要注释掉下面的行
                //HaveChild = HaveChild + "|" + MyReader["BuMenName"].ToString() + "|";
            }
            OrganizationNode.ToolTip = MyReader["BuMenName"].ToString();
            OrganizationNode.Expand();
            Nds.Add(OrganizationNode);
            //递归循环
            BindTree(Nds[Nds.Count - 1].ChildNodes, strId);
        }
        MyReader.Close();
        Conn.Close();
    }

    private void BindTree()
    {
        //获取品牌
        string brandcondition = "";
        if (Request.QueryString["IsOpponent"] != null)
        {
            if (Request.QueryString["IsOpponent"] == "10")
                brandcondition = "IsOpponent IN (1,9)";
            else
                brandcondition = "IsOpponent=" + Request.QueryString["IsOpponent"];
        }
        else
        {
            if ((int)Session["OwnerType"] == 2) brandcondition = "IsOpponent='1'";
        }
        IList<PDT_Brand> _brands = PDT_BrandBLL.GetModelList(brandcondition);

        foreach (PDT_Brand brand in _brands)
        {
            TreeNode tn_brand = new TreeNode(brand.Name, brand.ID.ToString());
            tr_Product.Nodes.Add(tn_brand);

            string ConditionStr = "PDT_Product.State = 1 AND PDT_Product.ApproveFlag = 1 AND PDT_Product.Brand = " + brand.ID.ToString();

            if ((int)Session["OwnerType"] == 2)
            {
                ConditionStr += "  AND PDT_Product.OwnerType = 2 AND PDT_Product.OwnerClient =" + Session["OwnerClient"].ToString();
            }
            else if ((int)Session["OwnerType"] == 1)
            {
                ConditionStr += "  AND PDT_Product.OwnerType IN (1, 2) ";
            }

            if (Request.QueryString["ExtCondition"] != null)
            {
                ConditionStr += " AND (" + Request.QueryString["ExtCondition"].Replace("\"", "").Replace('~', '\'') + ")";
            }

            IList<PDT_Product> _products = PDT_ProductBLL.GetModelList(ConditionStr);
            foreach (PDT_Product product in _products)
            {
                TreeNode tn = new TreeNode();
                tn.Text = product.FactoryCode + "  " + product.FullName;
                tn.Value = product.ID.ToString();
                tn_brand.ChildNodes.Add(tn);

                if (tn.Value == ViewState["ID"].ToString())
                {
                    tn_brand.Expand();
                    tn.Select();
                    tbx_SelectedProductID.Text = tn.Value;
                    tbx_SelectedProductName.Text = tn.Text;
                }
            }

        }
    }

 private void loadTree()
 {
     if (TreeView1.Nodes.Count > 0)
         TreeView1.Nodes.Remove(TreeView1.Nodes[0]);
     /*
     TreeNode blk = new TreeNode("<span style='font-weight:bold; font-size:14px;'>Salesman Relation Control</span>", "-1");
     TreeView1.Nodes.Add(blk);*/
     TreeNode root = new TreeNode("<span>Globel Account Manager<span>", "0");
     root.ImageUrl = "images/worldLink.png";
     TreeView1.Nodes.Add(root);
     reloadSubTree(root,false);
     root.Expand();
     TreeView1.DataBind();
 }

    private void initMenu()
    {
        LoginUser user = sessionHelper.AdminUser;
        //快取載入
        UserMenuFuncContainer userContainer = UserMenuFuncContainer.GetInstance();

        if (user == null)
        {
            Response.Redirect(LOGIN_PAGE_MANAGER, false);
            return;
        }

        user = userContainer.GetUser(user.UserId);

        TreeveiwService tvService = new TreeveiwService();

        MenuFuncDao menuFuncDao = new MenuFuncDao();

        IList<MenuFunc> menuFuncList = authService.GetTopMenuFunc(user, userContainer.AllMenu, userContainer.RoleDic);

        foreach (MenuFunc menu in menuFuncList)
        {
            TreeNode treeNode = new TreeNode(menu.MenuFuncName, null, "", string.Format("javascript:__doPostBack('ctl00$tvMenu','t{0}')", menu.MenuFuncName), "");
            treeNode.Collapse();

            if (menu.SubFuncs.Count > 0)
            {
                foreach (MenuFunc subMenu in menu.SubFuncs)
                {
                    TreeNode subTreeNode = new TreeNode(subMenu.MenuFuncName, subMenu.MainPath);
                    //判斷使否選定
                    if (!string.IsNullOrEmpty(sessionHelper.FunctionName))
                    {
                        if (CollectionUtil.ContainValue(menu.SubFuncs, "MenuFuncName", sessionHelper.FunctionName))
                        {
                            treeNode.Expand();
                        }
                    }
                    treeNode.ChildNodes.Add(subTreeNode);
                }
            }
            tvMenu.Nodes.Add(treeNode);
        }

        //object c = userContainer.AllMenu;
        tvMenu.DataBind();
    }

	void MainForm_Load (object sender, EventArgs e)
	{
		TreeNode treeNode1 = new TreeNode ("Node1");
		TreeNode treeNode0 = new TreeNode ("Node0", new TreeNode [] { treeNode1 });
		_treeView.Nodes.Add (treeNode0);
		treeNode0.Expand ();

		TreeNode treeNode3 = new TreeNode ("Node3");
		TreeNode treeNode2 = new TreeNode ("Node2", new TreeNode [] { treeNode3 });
		_treeView.Nodes.Add (treeNode2);

		TreeNode treeNode5 = new TreeNode ("Node5");
		TreeNode treeNode4 = new TreeNode ("Node4", new TreeNode [] { treeNode5 });
		_treeView.Nodes.Add (treeNode4);

		InstructionsForm instructionsForm = new InstructionsForm ();
		instructionsForm.Show ();
	}

    private void BindTree()
    {
        //获取品牌
        string condition = "";
        if (Request.QueryString["IsOpponent"] != null)
            condition = "IsOpponent=" + Request.QueryString["IsOpponent"];

        IList<PDT_Brand> _brands = PDT_BrandBLL.GetModelList(condition);

        foreach (PDT_Brand brand in _brands)
        {
            TreeNode tn_brand = new TreeNode(brand.Name, brand.ID.ToString());
            tr_Product.Nodes.Add(tn_brand);

            IList<PDT_Classify> _classifys = new PDT_ClassifyBLL()._GetModelList("PDT_Classify.Brand=" + brand.ID.ToString());
            foreach (PDT_Classify classify in _classifys)
            {
                TreeNode tn_classify = new TreeNode(classify.Name, classify.ID.ToString());
                tn_brand.ChildNodes.Add(tn_classify);

                IList<PDT_Product> _products = new PDT_ProductBLL()._GetModelList("PDT_Product.State = 1 AND PDT_Product.Classify=" + classify.ID.ToString());
                foreach (PDT_Product product in _products)
                {
                    TreeNode tn = new TreeNode();
                    tn.Text = product.Code + "  " + product.FullName;
                    tn.Value = product.Code;
                    tn_classify.ChildNodes.Add(tn);

                    if (tn.Value == ViewState["ERPCode"].ToString())
                    {
                        tn_classify.Expand();
                        tn.Select();
                        tbx_SelectedProductCode.Text = tn.Value;
                        tbx_SelectedProductName.Text = tn.Text;
                    }
                }

            }
        }
    }

    private TreeNode CreateSklNode(EkJobDS.LocalizationSkeletonRow data)
    {
        // Special case: skeleton may be used as a placeholder to no skeletons
        EkSklTypes itemType = (EkSklTypes)data.ItemType;
        if (itemType == EkSklTypes.Information)
        {
            if (data.IsErrorMessageNull() || 0 == data.ErrorMessage.Length)
            {
                return this.CreateMsgNode(data.Title, MessageStyleType.Information);
            }
            else
            {
                return this.CreateMsgNode(data.ErrorMessage, MessageStyleType.ErrorMessage);
            }
        }

        TreeNode node = new TreeNode();
        StringBuilder sb = new StringBuilder();
        string strToolTipForItemID = string.Empty;

        node.Value = "skl" + data.SkeletonID;
        node.PopulateOnDemand = true;
        node.SelectAction = TreeNodeSelectAction.Expand;
        switch (itemType)
        {
            case EkSklTypes.Content:
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/contentHtml.png";
                node.ImageToolTip = GetMessage("lbl content");
                strToolTipForItemID = GetMessage("generic content id");
                break;
            case EkSklTypes.Form:
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/contentForm.png";
                node.ImageToolTip = GetMessage("form text");
                strToolTipForItemID = GetMessage("alt form id");
                break;
            case EkSklTypes.SmartFormData:
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/FileTypes/xml.png";
                node.ImageToolTip = GetMessage("lbl smart form");
                strToolTipForItemID = GetMessage("generic id");
                break;
            case EkSklTypes.SmartFormDesign:
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/contentSmartForm.png";
                node.ImageToolTip = GetMessage("generic xml configuration");
                strToolTipForItemID = GetMessage("generic id");
                break;
            case EkSklTypes.Menu:
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/menu.png";
                node.ImageToolTip = GetMessage("generic menu title");
                strToolTipForItemID = GetMessage("alt menu number");
                break;
            case EkSklTypes.MenuItem:
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/menu.png";
                node.ImageToolTip = GetMessage("alt menu items");
                strToolTipForItemID = GetMessage("alt menu items number");
                break;
            case EkSklTypes.Taxonomy:
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/taxonomy.png";
                node.ImageToolTip = GetMessage("generic taxonomy lbl");
                strToolTipForItemID = GetMessage("alt taxonomy number");
                break;
            case EkSklTypes.Image:
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/FileTypes/image.png";
                node.ImageToolTip = GetMessage("generic image");
                strToolTipForItemID = GetMessage("generic id");
                break;
            case EkSklTypes.Audio:
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/FileTypes/audio.png";
                node.ImageToolTip = GetMessage("lbl audio");
                strToolTipForItemID = GetMessage("generic id");
                break;
            case EkSklTypes.Video:
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/FileTypes/video.png";
                node.ImageToolTip = GetMessage("lbl video");
                strToolTipForItemID = GetMessage("generic id");
                break;
            case EkSklTypes.PDF:
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/FileTypes/acrobat.png";
                node.ImageToolTip = GetMessage("content:asset:pdf");
                strToolTipForItemID = GetMessage("generic id");
                break;
            case EkSklTypes.MsWord:
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/FileTypes/word.png";
                node.ImageToolTip = GetMessage("content:mso:doc");
                strToolTipForItemID = GetMessage("generic id");
                break;
            case EkSklTypes.MsExcel:
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/FileTypes/excel.png";
                node.ImageToolTip = GetMessage("content:mso:xls");
                strToolTipForItemID = GetMessage("generic id");
                break;
            case EkSklTypes.MsPowerPoint:
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/FileTypes/powerpoint.png";
                node.ImageToolTip = GetMessage("content:mso:ppt");
                strToolTipForItemID = GetMessage("generic id");
                break;
            case EkSklTypes.MsPublisher:
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/FileTypes/publisher.png";
                node.ImageToolTip = GetMessage("content:mso:pub");
                strToolTipForItemID = GetMessage("generic id");
                break;
//.........这里部分代码省略.........

    private void btnAddSoftware_Click(object sender, EventArgs e)
    {
        if (TreeView1.SelectedNode == null | object.ReferenceEquals(TreeView1.SelectedNode, TreeView1.Nodes[0]))
            {
             MessageBox.Show("Programme können nur Gruppen hinzugefügt werden. Bitte wählen Sie eine Gruppe aus.");
                return;
            }

            OpenFileDialog FileDialog = new OpenFileDialog();
            FileDialog.Multiselect = true;

            FileDialog.Filter = "msi files (*.msi)|*.msi|exe files (*.exe*)|*.exe*|All files (*.*)|*.*";
            FileDialog.FilterIndex = 1;
            FileDialog.RestoreDirectory = true;

            //geben sie einen namen für paket an falls kein paket markiert ist!
            if (FileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                if (FileDialog.SafeFileNames.Length == 0)
                {
                    return;
                }
                TreeNode NewListMainItem = new TreeNode("Neuer Eintrag");
                TreeView3.Nodes[0].Nodes.Add(NewListMainItem);

            frmNewName NewName = new frmNewName();
            NewName.ShowDialog();

            if (!string.IsNullOrEmpty(NewGroupName))
            {
                NewListMainItem.Text = NewGroupName;
                NewGroupName = "";
                TreeView3.Nodes[0].Expand();
            }
            else
            {
                MessageBox.Show("Kein Softwarepaketname angegeben. Vorgang wird abgebrochen.");
                return;
            }

                foreach (string File in FileDialog.SafeFileNames)
                {
                    TreeNode NewListItem = new TreeNode(File);
                    NewListMainItem.Nodes.Add(NewListItem);
                }
                string[] FileArray = new string[FileDialog.FileNames.Length];
                int counter = 0;

                string archit = "32bit";
                string Path = Server_Client.Properties.Settings.Default.SavePath + "Groups\\" + TreeView1.SelectedNode.Text + "\\";
                Guid PacketGuid = Guid.NewGuid();
                foreach (string File in FileDialog.FileNames)
                {
                    //Assembly ExeAssembly = Assembly.LoadFile(File);
                    //System.Reflection.AssemblyName AssemblyAr = new System.Reflection.AssemblyName(ExeAssembly.FullName);
                    //if (archit != "" && archit != AssemblyAr.ProcessorArchitecture.ToString())
                    //{
                    //    MessageBox.Show("Die Datei: " + File + " hat das falsche Format(" + AssemblyAr.ProcessorArchitecture.ToString() + "). Bitte erstellen Sie für 32/64 bit Programme einzelne Softwarepakete.");
                    //    continue;
                    //}
                    //archit = AssemblyAr.ProcessorArchitecture.ToString();

                      clsZipFile.CreatePackage(Path + PacketGuid + ".zip", File);
                    FileArray[counter] = File;
                    counter++;
                }

                if (!Directory.Exists(Path))
                {
                    Directory.CreateDirectory(Path);
                }

                NewListMainItem.Expand();

                //Assembly assembly = Assembly.LoadFile(Path + PacketGuid + ".zip");
                //System.Reflection.AssemblyName AssemblyName = new System.Reflection.AssemblyName(assembly.FullName);
                FileInfo fileinfo_ = new FileInfo(Path + PacketGuid + ".zip");

                PackageInfoModel CurrentPackage = new PackageInfoModel();
                CurrentPackage.showName = NewListMainItem.Text;
                CurrentPackage.Name =  PacketGuid.ToString();
                CurrentPackage.arc = archit;
                CurrentPackage.size  =Convert.ToInt32( fileinfo_.Length ) ;
                CurrentPackage.group = Convert.ToInt32( TreeView1.SelectedNode.Tag);

                request.addPackageInfo(client, CurrentPackage);

                GroupInfoModel GroupModel = new GroupInfoModel();
                GroupModel.ID = Convert.ToInt32( TreeView1.SelectedNode.Tag);
                GroupModel.Name = TreeView1.SelectedNode.Text;
                request.sendFile(client, GroupModel, CurrentPackage, Path + PacketGuid + ".zip");
            }

        //Füge Kopie der Datei hinzu und unten entfernen und client gui trayicon

                    //In Datenbank für diese Gruppe anlegen falls nicht exitstiert
                    //Pfad auf ServerClient dazu speichern
                    //msi gui
    }

    private TreeNode CreateJobNode(EkJobDS.LocalizationJobRow data)
    {
        TreeNode node = new TreeNode();
        StringBuilder sb = new StringBuilder();
        EkJobStates state = (EkJobStates)data.State;
        EkJobTypes jobType = (EkJobTypes)data.JobType;

        bool isJobComplete = EkJobDS.LocalizationJobRow.IsJobDone(state);
        bool jobHasErrors = EkJobStates.CompleteWithErrors == state || EkJobStates.Canceled == state;
        bool isJobRunning = !isJobComplete && !data.IsCurrentStepNull() && !data.IsTotalStepsNull() && data.CurrentStep <= data.TotalSteps;

        node.Value = "job" + data.JobID;
        node.PopulateOnDemand = true;
        node.SelectAction = TreeNodeSelectAction.Expand;

        sb.Append("<div class=\"L10nJob\">");
        sb.Append("<div class=\"L10nJobTitle\">");
        if (state == EkJobStates.CompleteWithErrors)
        {
            sb.Append(this.FormatErrorMessage(GetMessage("lbl complete with alerts")));
        }

        switch (jobType)
        {
            case EkJobTypes.CompressFiles:
                sb.Append(GetMessage("lbl downloadable zip files"));
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/icons/FileTypes/zip.png";
                node.ImageToolTip = GetMessage("alt zipped file");
                if (!this.methodCreateJobNode_isFirstCompressFilesJobExpanded)
                {
                    this.methodCreateJobNode_isFirstCompressFilesJobExpanded = true;
                    node.Expand();
                }

                break;
            case EkJobTypes.Export:
                sb.Append(string.Format(GetMessage("lbl exported locale taxonomy") + " \"{0}\"", data.JobTitle));
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/translationExport.png";
                node.ImageToolTip = GetMessage("lbl exported locale taxonomy");
                if (!this.methodCreateJobNode_isFirstExportJobExpanded)
                {
                    this.methodCreateJobNode_isFirstExportJobExpanded = true;
                    node.Expand();
                }

                break;
            case EkJobTypes.ExportContent:
                sb.Append(string.Format(GetMessage("lbl exported content") + " \"{0}\"", data.JobTitle));
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/translationExport.png";
                node.ImageToolTip = GetMessage("lbl exported content");
                if (!this.methodCreateJobNode_isFirstExportJobExpanded)
                {
                    this.methodCreateJobNode_isFirstExportJobExpanded = true;
                    node.Expand();
                }

                break;
            case EkJobTypes.ExportFolder:
                sb.Append(string.Format(GetMessage("lbl exported folder") + " \"{0}\"", data.JobTitle));
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/translationExport.png";
                node.ImageToolTip = GetMessage("lbl exported folder");
                if (!this.methodCreateJobNode_isFirstExportJobExpanded)
                {
                    this.methodCreateJobNode_isFirstExportJobExpanded = true;
                    node.Expand();
                }

                break;
            case EkJobTypes.ExportMenu:
                sb.Append(GetMessage("lbl exported menus"));
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/translationExport.png";
                node.ImageToolTip = GetMessage("lbl exported menus");
                if (!this.methodCreateJobNode_isFirstExportJobExpanded)
                {
                    this.methodCreateJobNode_isFirstExportJobExpanded = true;
                    node.Expand();
                }

                break;
            case EkJobTypes.ExportTaxonomy:
                sb.Append(GetMessage("lbl exported taxonomy"));
                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/translationExport.png";
                node.ImageToolTip = GetMessage("lbl exported taxonomy");
                if (!this.methodCreateJobNode_isFirstExportJobExpanded)
                {
                    this.methodCreateJobNode_isFirstExportJobExpanded = true;
                    node.Expand();
                }

                break;
            case EkJobTypes.ExtractText:
                sb.Append(GetMessage("lbl extracted"));
                if (!data.IsJobTitleNull() && data.JobTitle.Length > 0)
                {
                    sb.Append(" " + data.JobTitle);
                }

                node.ImageUrl = GetCommonApi().AppPath + "images/UI/Icons/translationExport.png";
                node.ImageToolTip = GetMessage("lbl extracted");
                break;
//.........这里部分代码省略.........

    protected TreeNode treeElem_OnNodeCreated(DataRow itemData, TreeNode defaultNode)
    {
        defaultNode.Selected = false;
        if (itemData != null)
        {
            CategoryInfo category = new CategoryInfo(itemData);

            string caption = category.CategoryDisplayName;
            if (String.IsNullOrEmpty(caption))
            {
                caption = category.CategoryName;
            }

            caption = HTMLHelper.HTMLEncode(ResHelper.LocalizeString(caption));

            if (category.IsGlobal && !category.CategoryIsPersonal)
            {
                caption += " <sup>" + GetString("general.global") + "</sup>";
            }

            // Set caption
            defaultNode.Text = defaultNode.Text.Replace("##NODECUSTOMNAME##", caption);
            defaultNode.Text = defaultNode.Text.Replace("##NODECODENAME##", HTMLHelper.HTMLEncode(category.CategoryName));
            defaultNode.Text = defaultNode.Text.Replace("##PARENTID##", category.CategoryParentID.ToString());

            string onclick = "";
            string checkBox = "";
            bool catHasCheckedChildren = ValidationHelper.GetInteger(itemData["ChildChecked"], 0) > 0;

            if (AllowMultipleSelection)
            {
                // Prepare checbox when in multiple selection mode
                checkBox = string.Format("<span class=\"checkbox tree-checkbox\"><input id=\"chk{0}\" type=\"checkbox\" onclick=\"ProcessItem(this,'{1}',false,true);\" class=\"chckbox\" ", category.CategoryID, ValidationHelper.GetHashString(category.CategoryID.ToString()));
                if (catHasCheckedChildren || (hidItem.Value.IndexOfCSafe(ValuesSeparator + category.CategoryID + ValuesSeparator, true) >= 0))
                {
                    checkBox += "checked=\"checked\" ";
                }
                if (catHasCheckedChildren)
                {
                    checkBox += "disabled=\"disabled\" ";
                }
                checkBox += "name=\"" + category.CategoryID + "_" + category.CategoryParentID + "\"";
                checkBox += string.Format("/><label for=\"chk{0}\">&nbsp;</label>", category.CategoryID);
            }
            else
            {
                if (returnColumnName == "CategoryID")
                {
                    onclick = "ItemsElem().value = '" + ValuesSeparator + category.CategoryID + ValuesSeparator + "';";
                }
                else
                {
                    onclick = "ItemsElem().value = '" + ValuesSeparator + ScriptHelper.GetString(category.CategoryName, false) + ValuesSeparator + "';";
                }
            }

            defaultNode.Text = defaultNode.Text.Replace("##ONCLICK##", onclick);
            defaultNode.Text = checkBox + defaultNode.Text + "</span>";

            // Expand selected categories
            if (catHasCheckedChildren && !URLHelper.IsPostback())
            {
                defaultNode.Expand();
            }

            return defaultNode;
        }

        return null;
    }

    private void btnAddExistingPacket_Click(object sender, EventArgs e)
    {
        if (TreeView1.SelectedNode == null | object.ReferenceEquals(TreeView1.SelectedNode, TreeView1.Nodes[0]))
            {
                MessageBox.Show("Programme können nur Gruppen hinzugefügt werden. Bitte wählen Sie eine Gruppe aus.");
                return;
            }

             OpenFileDialog FileDialog = new OpenFileDialog();
            FileDialog.Multiselect = true;

            FileDialog.Filter = "zip (*.zip)|*.zip";
            FileDialog.FilterIndex = 1;
            FileDialog.InitialDirectory = Server_Client.Properties.Settings.Default.SavePath + "Groups\\";
            FileDialog.RestoreDirectory = true;

            //geben sie einen namen für paket an falls kein paket markiert ist!
            if (FileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                if (FileDialog.SafeFileNames.Length == 0)
                {
                    return;
                }

                for (int i = 0; i < FileDialog.FileNames.Length; i++)
            {
                    Guid PacketGuid = Guid.NewGuid();
                    string Path = Server_Client.Properties.Settings.Default.SavePath + "Groups\\" + TreeView1.SelectedNode.Text + "\\" + PacketGuid + ".zip";
                    System.IO.File.Copy(FileDialog.FileNames[i], Path);

                    frmNewName NewName = new frmNewName();
                    NewName.ShowDialog();
                    //Hier Datenbankabfrage der Gruppen auf Gruppe mit ID (Diesen Namen nehmen)

                    TreeNode NewPacketNode = new TreeNode();
                    if (!string.IsNullOrEmpty(NewGroupName))
                    {
                        NewPacketNode.Text = NewGroupName;
                        NewGroupName = "";
                        TreeView3.Nodes[0].Nodes.Add(NewPacketNode);
                        TreeView3.Nodes[0].Expand();
                    }
                    else
                    {
                        MessageBox.Show("Kein Softwarepaketname angegeben. Vorgang wird abgebrochen.");
                        return;
                    }

                   clsZipFile.Unzip(FileDialog.FileNames[i].ToString(), Server_Client.Properties.Settings.Default.SavePath + "Groups\\" + TreeView1.SelectedNode.Text + "\\Temp\\");

                   string[] FileArr=  System.IO.Directory.GetFiles(Server_Client.Properties.Settings.Default.SavePath + "Groups\\" + TreeView1.SelectedNode.Text + "\\Temp\\");

                   for (int d = 0; d < FileArr.Length; d++)
                   {
                       System.IO.DirectoryInfo oDir = new System.IO.DirectoryInfo(FileArr[0]);
                       NewPacketNode.Nodes.Add(oDir.Name);
                       System.IO.File.Delete(oDir.FullName);
                   }

                   System.IO.File.Copy(FileDialog.FileNames[i].ToString(), Server_Client.Properties.Settings.Default.SavePath + "Groups\\" + TreeView1.SelectedNode.Text + "\\" + NewPacketNode.Text);
                   string CurrentName = FileDialog.SafeFileName[i].ToString().Replace(".zip", "");

                 List<PackageInfoModel> AllPackages = request.getDatabasePackages(client);
                 PackageInfoModel CurrentPackage = new PackageInfoModel();
                 CurrentPackage.Name = PacketGuid.ToString();
                 CurrentPackage.group = Convert.ToInt32(TreeView1.SelectedNode.Tag);

                    foreach (PackageInfoModel Package in AllPackages)
                 {
                     if (Package.Name == CurrentName)
                     {
                         CurrentPackage.showName = Package.showName;
                         CurrentPackage.arc = Package.arc;
                         CurrentPackage.size = Package.size;
                         break;
                     }
                 }
                    request.addPackageInfo(client, CurrentPackage);

                    GroupInfoModel GroupModel = new GroupInfoModel();
                    GroupModel.ID = Convert.ToInt32(TreeView1.SelectedNode.Tag);
                    GroupModel.Name = TreeView1.SelectedNode.Text;
                    request.sendFile(client, GroupModel, CurrentPackage, Path + PacketGuid + ".zip");

                    NewPacketNode.Expand();
            }

                TreeView3.Nodes[0].Expand();
            }
    }

 private void AddChildren(TreeNode node)
 {
     TreeListViewItem tlvitem = (TreeListViewItem) node.Tag;
     foreach(TreeListViewItem item in tlvitem.Items)
     {
         TreeNode child = new TreeNode(item.Text);
         child.Tag = item;
         node.Nodes.Add(child);
         AddChildren(child);
         child.Expand();
     }
 }

            private void LoadFromSQL()
            {
                try
                {
                    Runtime.IsConnectionsFileLoaded = false;

                    if (_SQLUsername != "")
                    {
                        sqlCon =
                            new SqlConnection(
                                (string)
                                ("Data Source=" + _SQLHost + ";Initial Catalog=" + _SQLDatabaseName + ";User Id=" +
                                 _SQLUsername + ";Password=" + _SQLPassword));
                    }
                    else
                    {
                        sqlCon =
                            new SqlConnection("Data Source=" + _SQLHost + ";Initial Catalog=" + _SQLDatabaseName +
                                              ";Integrated Security=True");
                    }

                    sqlCon.Open();

                    sqlQuery = new SqlCommand("SELECT * FROM tblRoot", sqlCon);
                    sqlRd = sqlQuery.ExecuteReader(CommandBehavior.CloseConnection);

                    sqlRd.Read();

                    if (sqlRd.HasRows == false)
                    {
                        Runtime.SaveConnections();

                        sqlQuery = new SqlCommand("SELECT * FROM tblRoot", sqlCon);
                        sqlRd = sqlQuery.ExecuteReader(CommandBehavior.CloseConnection);

                        sqlRd.Read();
                    }

                    this.confVersion = Convert.ToDouble(sqlRd["confVersion"], CultureInfo.InvariantCulture);

                    TreeNode rootNode;
                    rootNode = new TreeNode((string)(sqlRd["Name"]));

                    Root.Info rInfo = new Root.Info(Root.Info.RootType.Connection);
                    rInfo.Name = rootNode.Text;
                    rInfo.TreeNode = rootNode;

                    rootNode.Tag = rInfo;
                    rootNode.ImageIndex = System.Convert.ToInt32(Images.Enums.TreeImage.Root);
                    rootNode.SelectedImageIndex = System.Convert.ToInt32(Images.Enums.TreeImage.Root);

                    if (Security.Crypt.Decrypt((string)(sqlRd["Protected"]), pW) != "ThisIsNotProtected")
                    {
                        if (Authenticate((string)(sqlRd["Protected"]), false, rInfo) == false)
                        {
                            Settings.Default.LoadConsFromCustomLocation = false;
                            Settings.Default.CustomConsPath = "";
                            rootNode.Remove();
                            return;
                        }
                    }

                    //Me._RootTreeNode.Text = rootNode.Text
                    //Me._RootTreeNode.Tag = rootNode.Tag
                    //Me._RootTreeNode.ImageIndex = Images.Enums.TreeImage.Root
                    //Me._RootTreeNode.SelectedImageIndex = Images.Enums.TreeImage.Root

                    sqlRd.Close();

                    // SECTION 3. Populate the TreeView with the DOM nodes.
                    AddNodesFromSQL(rootNode);
                    //AddNodeFromXml(xDom.DocumentElement, Me._RootTreeNode)

                    rootNode.Expand();

                    //expand containers
                    foreach (Container.Info contI in this._ContainerList)
                    {
                        if (contI.IsExpanded == true)
                        {
                            contI.TreeNode.Expand();
                        }
                    }

                    //open connections from last mremote session
                    if (Settings.Default.OpenConsFromLastSession == true && Settings.Default.NoReconnect == false)
                    {
                        foreach (Connection.Info conI in this._ConnectionList)
                        {
                            if (conI.PleaseConnect == true)
                            {
                                Runtime.OpenConnection(conI);
                            }
                        }
                    }

                    //Tree.Node.TreeView.Nodes.Clear()
                    //Tree.Node.TreeView.Nodes.Add(rootNode)

                    AddNodeToTree(rootNode);
//.........这里部分代码省略.........