public void Close()
        {
            try
            {
                //application.WindowDeactivate -= Application_WindowDeactivate;
                WordManager.Remove(this);

                application.Quit(
                    Word.WdSaveOptions.wdDoNotSaveChanges,
                    Word.WdOriginalFormat.wdOriginalDocumentFormat,
                    false);
            }
            catch (Exception)
            {
                throw;
            }
        }