ID_RENEW_TICKET
SendMessage(mainwin, WM_COMMAND, MAKEWPARAM(ID_RENEW_TICKET, 1), 0);
menu->AppendMenu(nFlags, ID_RENEW_TICKET, "&Renew Tickets");
ON_COMMAND(ID_RENEW_TICKET, OnRenewTicket)
ON_UPDATE_COMMAND_UI(ID_RENEW_TICKET, OnUpdateRenewTicket)