[RESOLVED]Help with translation from .NET + explanation

[Ruckus_Gary]

Can anyone please translate this to Classic VB(5)

Public Sub slumpa()
        j = Int(35 * Rnd() + 1)
        For i = 0 To 6
            Do While Array.IndexOf(lotto, j) > -1
                j = Int(35 * Rnd() + 1)
            Loop
            lotto(i) = j
        Next i

And can somebody perhaps explain what the 'Do While Array.IndexOf(lotto, j) > -1' part does (I know that the purpose of the code is to give unique values to the variables in the array, but I don't know what it 'does' more precisely). Thanks a lot

[RhinoBull]

I didn't test it so give it the try but in general code you posted generates random number, then it checks if current value already exists in the array and if not it will assign to current array item.
"Translated" version does pretty much the same thing:

'VB.Net - Array.IndexOf Method:
'Searches for the specified object and returns the index
'of the first occurrence within the entire one-dimensional
 
Dim i%, j%, k%
Dim blnExist As Boolean
 
    For i = 0 To 6
        blnExist = False
        Do While blnExist = False
            j = Int(35 * Rnd() + 1)
            For k = 0 To UBound(lotto)
                If lotto(k) = j Then
                    blnExist = True
                    Exit For
                End If
            Next k
        Loop
        lotto(i) = j
    Next i
 
End Sub

[Ruckus_Gary]

It seems to be looping infinitely when I try it in .NET. Aslo, what does the >-1 mean?

[Ruckus_Gary]

Bump. I really need help with this.

[RhinoBull]

...Aslo, what does the >-1 mean?

It means that there is an item in the array that's equal J so it will loop until no match is found.

[Ruckus_Gary]

I see. But what I can't figure out is why your solution loops infinitely. Everything seems logical.

[RhinoBull]

Random doesn't mean totally unique so there is agreat chance that item already exist in the array.
What you can do is clear array before re-populating it:

[B]Erase lotto[/B]
For i = 0 To 6
    '...
Next i

[Ruckus_Gary]

*EDIT* I solved it

For i = 0 To 6
            exists = False
            Do While exists = False
                j = Int(35 * Rnd() + 1)
                exists = True
                For k = 0 To 6
                    If array(k) = j Then
                        exists = False
                        Exit For
                    End If
                Next k
            Loop
            array(i) = j
        Next i

It's currently a little un organized withe the exists variable but I'll fix it.
Thanks a lot for the help

[RhinoBull]

NO problem.