Bogged down on things

Hi

There's a number of fundamental things that I seem to be getting bogged down
on in VB6 and it's mainly to do with variables & subs. Things like, in subs,
what ByVal does and when it's needed; when and why you need the "optional"
keyword; passing arrays to and from a sub; returning vars from a sub in
general; when you need the () after an array name; etc

Anyone know any good online tutorials (or failing that - relatively
inexpensive books) that explains all this reasonably simply?

Ian


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