public void OpenEditor(Ticket ticket)
        {
            try
            {
                if (ticket != null)
                {
                    ticket = ticket.Clone();
                }

                var editor = new TicketEditorWindow(ticket);
                var result = editor.ShowDialog();

                if (result.HasValue && result.Value)
                {
                    RetrieveData();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }