Re:: Sub-Files

>You mention another subject though, and I would be interested in people's
>opinions on the topic.  Lets say I want to do the subfile you've >suggested, 
>sorted by any one of Customer, Part, Invoice, Date, or Work Order.  How do
>others signal the user's choice to the program?  I have made a listing of
>these
>on the upper right side of the screen, with a Command key for each.  I've 
>also
>made pushbuttons for each choice.  I've not done enough of either to get a
>fixed
>attitude about the right way to do it, and would like opinions.

You may want to get an IBM manual that defines the CUA (Common User Access)
standards. The OS/400 screens that you see were written based on this 
standard.  The last one I saw referenced the CUA '91 standard.  I do not
know if there has been another revision since that time.

It not only defines how the function keys should work but also discusses
colors, message highlighting, etc.  I have been involved in some useability labs
that IBM has and it's an excellent insight into how to make your applications
more useable and user friendly.  I try my best to stick to this standard to make
my applications as consistent as possible.

Marc Zylka






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