public static void FileTree(this RadTreeView radTree, string DirPath, string DisplayName = "DirName")
 {
     sharpAHK_Dev._TelerikLib.RadTree tree = new _TelerikLib.RadTree();
     tree.RadTree_Files(radTree, DirPath);
 }
        private void btnFileTree_Click(object sender, EventArgs e)
        {
            _TelerikLib.RadTree tree = new _TelerikLib.RadTree();

            tree.RadTree_Files(RadTree, txtPath.Text);
        }