public void JdownloaderTree(RadTreeView RadTree, bool ClearTree = true)
            {
                _TelerikLib.RadTree tree = new _TelerikLib.RadTree();

                if (ClearTree)
                {
                    RadTree.ClearTree();
                }

                //==== Nodes for Files Currently Downloading ===============
                List <string> downloads   = CurrentJDownloads();
                RadTreeNode   downloading = new RadTreeNode();

                downloading.Text = "Downloading (" + downloads.Count + ")";
                downloading.Tag  = "Downloading";
                tree.AddNodeIfMissing(RadTree, downloading);

                foreach (string file in downloads)
                {
                    RadTreeNode node = new RadTreeNode();
                    node.Text = file.FileName();
                    node.Tag  = file;

                    tree.AddNodeIfMissing(RadTree, node, false, downloading);
                }

                if (JDownloadedList != null)
                {
                    //==== Nodes for Files Already Downloaded ===============
                    RadTreeNode downloaded = new RadTreeNode();
                    downloaded.Text = "Downloaded (" + JDownloadedList.Count + ")";
                    downloaded.Tag  = "Downloaded";
                    tree.AddNodeIfMissing(RadTree, downloaded);

                    foreach (string file in JDownloadedList)
                    {
                        string actualFile = file.Replace(".part", "");

                        if (File.Exists(actualFile))
                        {
                            RadTreeNode node = new RadTreeNode();
                            node.Text = actualFile.FileName();
                            node.Tag  = actualFile;
                            tree.AddNodeIfMissing(RadTree, node, false, downloaded);
                        }
                    }

                    downloaded.Expand();
                }

                //RadTree.ExpandAll();
                downloading.Expand();
            }