SPSecurity.RunWithElevatedPrivileges Method (Microsoft.ShareP...

public class Worker
    {
        public Worker()
        {

        }

        private SPSite site     = null;
        private SPWeb web       = null;
        private SPFolder folder = null;

        /// <summary>
        /// This Method is called throug Delegate elevatedGetSite which is definend in cmdOpenCnn_Click
        /// </summary>
        private void EstablishSharepoint()
        {
            site = new SPSite("http://srv-moss-tp1:36000");
            web  = site.OpenWeb();
        }
        /// <summary>
        /// If you click the Button to establish a connection to your SharePoint-Site,
        /// you run this code with elevated Privileges.
        /// </summary>
        private void cmdOpenCnn_Click(object sender, EventArgs e)
        {
            SPSecurity.CodeToRunElevated elevatedGetSite = new SPSecurity.CodeToRunElevated(EstablishSharepoint);
            SPSecurity.RunWithElevatedPrivileges(elevatedGetSite);

            // After code execution in EstablishSharepoint(), following code will be executed
            // and fills a TreeView (tv in this example) with all First-Level-Folders and their Subfolders

            TreeNode MainNode = new TreeNode("Web-Folders");
            TreeNode n        = null;
            int index         = 0;

            foreach (SPFolder f in web.Folders)
            {
                n             = new TreeNode();
                n.Text        = f.Name;
                n.Tag         = f.ParentWeb.Url + "/" + f.Url;
                n.ToolTipText = f.ParentWeb.Url + "/" + f.Url;
                index         = MainNode.Nodes.Add(n);

                foreach (SPFolder sf in f.SubFolders)
                {
                    n             = new TreeNode();
                    n.Text        = sf.Name;
                    n.Tag         = sf.ParentWeb.Url + "/" + sf.Url;
                    n.ToolTipText = sf.ParentWeb.Url + "/" + sf.Url;
                    MainNode.Nodes[index].Nodes.Add(n);
                }
            }
            tv.Nodes.Add(MainNode);
         }

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