Imports System
Imports System.Linq
Public Class Program
Public Shared Sub Main()
Dim jaggedArray As String()() = {
New String() {"a", "b", "c", "d"},
New String() {"e", "f"},
New String() {"g", "h", "i"}}
Dim result = jaggedArray.SelectMany(Function(s) s).Cast(Of Object)().ToArray()
Console.Write(String.Join(", ", result))
End Sub
End Class
' run:
'
' a, b, c, d, e, f, g, h, i
'