VS2010 - copy multiple files from SharePoint but wait for each to finish download

Dim credentials As System.Net.NetworkCredential = System.Net.CredentialCache.DefaultNetworkCredentials
        Dim countries(0 To 4) As String
        countries(0) = "AE"
        countries(1) = "AN"
        countries(2) = "AT"
        countries(3) = "BA"
        countries(4) = "JO"
 
        For index = 0 To countries.Length - 1
            Dim source As New Uri("http://prime.sharepoint.sss.com/folderreport/" & "filecountry_" & countries(index) & "_Prices.zip")
            Dim destination As String = "\\222.222.111.111\Testing_1\" & "filecountry_" & countries(index) & "_Prices.zip"
            'My.Computer.Network.DownloadFile(source, destination, credentials, True, , False)
            My.Computer.Network.DownloadFile(source, destination, credentials, True, 60000I, False)
        Next