SUBROUTINE TW_ACCT_VALID(ConvType, DataIo, SubrLabel, ReturnedValue)
*
begin condition
pre:
post:
end condition
declare function get_property
$insert logical


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

status() = Valid$
begin case
   case ConvType = 'ICONV'
   	  ValidArray = get_property( @window, '@ValidArray', ValidArray )
   	  SelPos = get_property( @window:'.TW_INFO', 'SELPOS' )
   	  Col = SelPos<1>
   	  Row = SelPos<2>
   	  if ValidArray<Row,Col> = 1 then
   	     DataIo = ''
   	     status() = valid$
   	  end
   case ConvType = 'OCONV'
   case otherwise$
        status() = invalid_msg$
end case
return