public static string    clipboardText_Get(this object _object)
        {
            var    sync          = new AutoResetEvent(false);
            string clipboardText = null;

            O2Thread.staThread(
                () =>
            {
                clipboardText = O2Forms.getClipboardText();
                sync.Set();
            });
            sync.WaitOne(2000);
            return(clipboardText);
        }