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Newcomers DBPro Corner / Increasing an array count?

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Darkzombies
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Posted: 15th Nov 2011 02:48
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So I was just wondering, how should I change an arrays amount. Should I do something like this (It doesnt work anyways)



Or just set a max amount?

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Hodgey
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Posted: 15th Nov 2011 03:15
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One reason it might not work is because AmountofText isn't global hence in the function it is always equal to 0. I don't think you need the undim command to increase the array count size. Just call redeclare it as an array using Dim but with the new amount. Like this:



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Darkzombies
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Posted: 15th Nov 2011 03:39
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Oh ok I see.

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WickedX
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Posted: 15th Nov 2011 03:45
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This is probable the simplest solution to that problem.

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nonZero
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Posted: 15th Nov 2011 07:17
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WickedXGames is right. If you UNDIM and then DIM an array again, it looses all its stored data. That is the purpose of ARRAY INSERT AT TOP, ARRAY INSERT AT BOTTOM, etc. You should browse the CORE COMMANDS in DBPROs help. At 3/4 of the way down you'll find some very useful commands for manipulating arrays.

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Rudolpho
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Posted: 17th Nov 2011 02:12
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Re-dimensioning retains all previous values (except, I suppose, if you reduce its size instead of increasing it):




"Why do programmers get Halloween and Christmas mixed up?"
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nonZero
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Posted: 17th Nov 2011 11:07
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Quote: " Re-dimensioning retains all previous values (except, I suppose, if you reduce its size instead of increasing it): "


I didn't realise you could directly redimension arrays like that in DBPro. I actually looked for a "REDIM" equivalent which didn't seem to be present in DBPro so I turned to ARRAY INSERT AT TOP/BOTTOM instead (situation dependent). I'm sure this'll come in handy though, as "DIM xzy(n)" is less to type than "ARRAY INSERT AT BOTTOM xzy(n), n"

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