Re: Screen Record arrays

Neil writes. > I have been programming in Informix for over four years and think > that I am reasonably jacked. However, something still puzzles me. > > Using 4GL, is there any reason at all why in the form there is an > array subscript on the screen record e.g. > > instructions > screen record s_record[10] (x) > > Is this a legacy from ISQL because it seems to serve no purpose > in 4GL where the array is set by the programmer. > > I have nearly thirty industrial applications out there in the field > and I have never used the above syntax. Am I missing something good? > > > -- > Neil - @storm@aztec.co.za < ANOTHER ESSEX LAD > If I understand you correctly you are wondering why you have to specify the array size for the screen array. This is because you have defined 10 copies of field x on the screen. In the 4GL program you can have an array with 100 elements and display it to a screen array of only 10 elements. The screen array then becomes a 10 element window onto the program array. Malcolm Weallans Online Database Consultancy 2 Arkley Court Maidenhead Berks SL6 2YR Phone 0628-72154 Fax 0628-37463 CIX - onlinedbc