Re: today's how-best-to question...

One point: The size of the piece inside the scroll bar (Is that called a thumb, perhaps?) is a function of the SFLSIZ & SFLPAG keywords. If you populate those keyword values accurately then you will get a reasonable approximation of the percentage of the subfile being shown, excepting when the subfile is very small.
A second point:That thumb can be dragged up and down for speedy reselection of what is displayed.

Another point: The small arrows at the top and bottom allow a user to click up or down a single record at a time, which just can not be done in any other useful way.



Bob P. Roche wrote:

The complaints I've heard about the scroll bar: seem to some from the problem of the bar portion can only be sized so much it is limited to a full reverses space in size over a long subfile it doesn't move much. Also you can be on the last page of a subfile and it may still look like you can page down. Sometimes the bar wont go to the bottom unless the last record is or really close to the top of the screen. I haven't used the scroll bar in a while but these are why I was asked to stop. We were also considering webfacing programs at some point (not looking there now) and most of the options IBM gave us to make green screen programs look more web/windows like don't webface. The radio buttons and check boxes don't convert.


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05/15/2007 11:27 AM
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Re: today's how-best-to question...






I agree with the comment about 9999 records, but I'd add this:
Loading a load-all subfile is pretty fast with today's computers. If the user is going to be using the subfile all day long then the few extra seconds it may take to do a load-all is easily offset by having all the records there and just sliding the scroll bar up and down.

For some reason that escapes me, we RPGers seem to have a real aversion to using mouseable scroll bars, radio buttons, and check boxes in our applications, yet nearly every user has and uses their mouse all day long. A subfile without the scroll bar is a real limitation. What befuddles me even more is the extreme ease with which we can add a scroll bar to a screen, and yet we don't do it. What is the objection?

Albert York wrote:

I don't think most users want to wait while 9999 records are being

loaded either. Page at a tim ei sthe way to go.

Albert