OpenTween.TweenMain.SetNotifyIconText C# (CSharp) Method

        private void SetNotifyIconText()
        {
            var ur = new StringBuilder(64);

            // タスクトレイアイコンのツールチップテキスト書き換え
            // Tween [未読/@]
            ur.Remove(0, ur.Length);
            if (this._cfgCommon.DispUsername)
            {
                ur.Append(tw.Username);
                ur.Append(" - ");
            }
            ur.Append(Application.ProductName);
#if DEBUG
            ur.Append("(Debug Build)");
#endif
            if (UnreadCounter != -1 && UnreadAtCounter != -1)
            {
                ur.Append(" [");
                ur.Append(UnreadCounter);
                ur.Append("/@");
                ur.Append(UnreadAtCounter);
                ur.Append("]");
            }
            NotifyIcon1.Text = ur.ToString();
        }