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filling multidementional arrays in VB

Posted on 2009-07-08
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Last Modified: 2012-05-07
I have a multidimentional array I want to fill. I'm doing it explicitly:
(see code below)

I was wondering if I could fill each row like this:

        BitRateArray(0) = {32, 32, 32, 32, 8}

Dim BitRateArray(14, 5) As Integer
 
   '32 32 32 32 8 
        BitRateArray(0, 0) = 32
        BitRateArray(0, 1) = 32
        BitRateArray(0, 2) = 32
        BitRateArray(0, 3) = 32
        BitRateArray(0, 4) = 8
 
        '64 48 40 48 16 
        BitRateArray(1, 0) = 64
        BitRateArray(1, 1) = 48
        BitRateArray(1, 2) = 40
        BitRateArray(1, 3) = 48
        BitRateArray(1, 4) = 16
 
        '96 56 48 56 24 
        BitRateArray(2, 0) = 96
        BitRateArray(2, 1) = 56
        BitRateArray(2, 2) = 48
        BitRateArray(2, 3) = 56
        BitRateArray(2, 4) = 24
...

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Question by:zliminator
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4 Comments
 
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by:alainbryden
ID: 24804462
Are you working in VB 6 or VB.NET?

--
Alain
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alainbryden earned 500 total points
ID: 24804490
If you're using VB.net you can use:

--
Alain
Dim BitRateArray(,) As Integer = {{32, 32, 32, 32, 8 }, _
                                  {64, 48, 40, 48, 16},
                                  {96, 56, 48, 56, 24}}

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by:alainbryden
ID: 24804570
After a quick check to be sure, VB6 or earlier doesn't provide any way to declare an array and initialize its elements at the same time. In most cases you end up doing it by setting individual elements as you have.

One way you can create an array of variants on the fly is to go.
Dim varArray() As Variant
varArray() = Array(32, 32, 32, 32, 8)

I'm not sure, but you can probably extend that to go:
Dim varArray() As Variant
varArray() = Array(  Array(32, 32, 32, 32, 8)
                                  Array(64, 48, 40, 48, 16)
                                  Array(96, 56, 48, 56, 24) )
You would then end up referencing elements as varArray(1)(1).

You could also use this in conjunction with a custom function to return an integer array. Details on this method are here http://www.devx.com/vb2themax/Tip/18322, and could probably be adapted to work with a 2D integer array.

Not sure that it gets any better than that with VB6

--
Alain
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Author Closing Comment

by:zliminator
ID: 31601125
Thanks, I'm in vb.net but I like both answers. Very helpful, thanks again.

Dan
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