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Help construct a tree 1 -> 1.1 -> 1.2 -> 2 -> 2.1 -> 2.1.1 etc HELP !!!!!!!

Folks I need help. I have a view or(Text file) as follows:

'1
2.1
1.1.1
1.1.1.1
2.2.1
1.3
2
Dim Parent() As String
Dim Level1() As String
Dim Level2() As String
Dim Level3() As String
etc ..

How can I construct a tree. parent, children, grand children etc...
and also figure out # of children # of grand children etc

Thanks
0
lndebug (2)
5/4/2009 1:05:15 AM
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"Mos" <lndebug@gmail.com> wrote in message 
news:875cd1df-7605-45ab-9f7b-f1edec25d47b@r34g2000vbi.googlegroups.com...
> Folks I need help. I have a view or(Text file) as follows:
>
> '1
> 2.1
> 1.1.1
> 1.1.1.1
> 2.2.1
> 1.3
> 2
> Dim Parent() As String
> Dim Level1() As String
> Dim Level2() As String
> Dim Level3() As String
> etc ..
>
> How can I construct a tree. parent, children, grand children etc...
> and also figure out # of children # of grand children etc
>
> Thanks

It might be easier if you did describe exatly what you are trying to do. 
I am not sure I 100% understand what you are looking for. But I will 
take a guess that you want to read data from (for example) a text file 
which is organized in a hierarchy like that.

You could use a list, or actually a list of lists (even if you have to 
put them in a class), or array of arrays (same thing there, put them in 
a class).

Something like this:

Class NodeData    ' This goes in (Declarations)
 Public node() As Variant
End Class

Sub Initialize
 Dim Tree(10) As NodeData        ' 10 branches on first level of tree
 Set Tree(1) = New NodeData      ' 1
 Redim Tree(1).node(3) As Variant    ' Dim for 3 branches on second 
level
 Set Tree(1).node(1) = New NodeData  ' 1.1
 Redim Tree(1).node(1).node(6) As Variant ' Dim for 6 branches on third 
level of 1st branch
 Tree(1).node(1).node(1) = "Some text for node 1.1.1"
 Tree(1).node(1).node(2) = "Some text for node 1.1.2"
 Tree(1).node(1).node(3) = "Some text for node 1.1.3"
 Tree(1).node(1).node(4) = "Some text for node 1.1.4"
 Tree(1).node(1).node(5) = "Some text for node 1.1.5"
 Tree(1).node(1).node(6) = "Some text for node 1.1.6"
 Set Tree(1).node(2) = New NodeData  ' 1.2
 Redim Tree(1).node(2).node(2) As Variant ' Dim for 2 branches on third 
level of 2nd branch
 Tree(1).node(2).node(1) = "Some text for node 1.2.1"
 Tree(1).node(2).node(2) = "Some text for node 1.2.2"
 Tree(1).node(3) = "Text for 1.3"
End Sub


As you can see, this is flexible and you can build as many nodes/levels 
as you like.
Good luck!

/Karl

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0
Karl
5/4/2009 8:04:15 PM
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