private void btnRun_Click(object sender, EventArgs e)
        {
            // Create an imapclient with host, user and password
            ImapClient client = new ImapClient();

            client.Host                = this.HostInput.Text;
            client.Username            = this.Username.Text;
            client.Password            = this.Password.Text;
            client.ConnectionProtocols = ConnectionProtocols.Ssl;
            client.Port                = int.Parse(this.PortInput.Text);
            client.Connect();
            ImapFolderCollection folders = client.GetFolderCollection();
            StringBuilder        sb      = new StringBuilder();

            foreach (ImapFolder folderInfo in folders)
            {
                // Folder name and get messages in the folder
                sb.AppendLine("Folder name is " + folderInfo.Name);
                sb.AppendLine("Message count: " + client.GetMessageCount(folderInfo.Name));
                sb.AppendLine("Is it Marked? " + folderInfo.Marked);
                sb.AppendLine("Message that recent flag count: " + folderInfo.RecentCount);
                sb.AppendLine("Is it Selectable? " + folderInfo.Selectable);
                sb.AppendLine("SubFolders count: " + folderInfo.SubFolders.Count);
                sb.AppendLine("The next unique identifier value: " + folderInfo.UidNext);
                sb.AppendLine("The unique identifier validity value: " + folderInfo.UidValidity);
                sb.AppendLine("Messages which are not set the seen flag count: " + folderInfo.UnseenCount);
                sb.AppendLine("-----------------------Next Folder---------------------------");
            }
            File.WriteAllText("GetFoldersInfo.txt", sb.ToString());
            MessageBox.Show("Completed");
        }
        /// <summary>
        /// Returns <see cref="ImapFolderCollection"/> instance.
        /// </summary>
        /// <remarks>
        /// Draft folders will be filtered.
        /// </remarks>
        public virtual ImapFolderCollection TryGetImapFoldersCollection()
        {
            FolderCollection folders = TryGetFoldersCollection();
            var imapfolders          = new ImapFolderCollection(folders);

            if (imapfolders != null)
            {
                _log.Info($"[{_currentMailboxName}] | Folders from mailbox count {imapfolders.Count()}.");
                foreach (ImapFolder folder in imapfolders)
                {
                    _log.Info($"[{_currentMailboxName}] - [{folder.Name}] | RawName = '{folder.RawName}'");
                }
            }
            return(imapfolders);
        }