How to create one long string from a collection of values

How to create one long string from a collection of values
How would I create one long string from a collection of values? What I mean by this is - say that you have a listbox of e-mail addresses and you want to be able to put them all together with semi-colons after them and into one string that will be used as an e-mail address.

(e.g.)
LIST BOX:
[email protected]
[email protected]
[email protected]
[email protected]



String:
[email protected]; [email protected]; [email protected]; [email protected]

Here you go, don't know what language you're using so it's in VB.

VB Code:

Dim i As Short
        Dim strText as String
        
For i = 0 To ListBox1.Items.Count - 1
            strText &= ListBox1.Items(i).ToString
            If Not i = ListBox1.Items.Count - 1 Then
                strText &= ";"
            End If
        Next