compile subroutine WIN_AC_NUM_VALID(ConvType, DataIo, Branch, ReturnedValue)
begin condition
pre:
post:
end condition

$insert logical
$insert quote_equ
$insert msg_equates
$insert annual_contracts_equ
declare function msg, get_property, set_property
equ valid$         to 0    ;* successful
equ invalid_msg$   to 1    ;* bad data       -   print error message window
equ invalid_conv$  to 2    ;* bad conversion -          "         "
equ invalid_nomsg$ to 3    ;* bad but do not print the error message window
equ CrLf$          to char(13):char(10)
* this validates the annual contract number in windows like order
ReturnedValue = DataIo       
status() = Valid$              
*
begin case
   case ConvType = 'ICONV'
      CustNo = get_property( @window:'.CUST_NO', 'TEXT' )
      ACRec =  xlate( 'ANNUAL_CONTRACTS', DataIo, '', 'X' )
	   if ACRec<annual_contracts_status$> = "O" and ACRec<annual_contracts_cust_no$> = CustNo else
	      MsgInfo = ''
	      MsgInfo<mtext$> = DataIo:' is not an OPEN Annual Contract for ':oconv( CustNo, '[XLATE_CONV,COMPANY*CO_NAME]' ):'...':CrLf$:'Press [SF2] to view OPEN Annual Contracts for this customer.' 
	      MsgInfo<micon$> = 'H'
	      Void = msg( '', MsgInfo )
	      status() = invalid_nomsg$
	   end         
   case ConvType = 'OCONV'
      * no output
      ReturnedValue = DataIo
   case otherwise$
      ReturnedValue = ''
      status() = invalid_conv$
end case
return