Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

Dim Urldelfiledascaricare As String, urlfilescaricato As String, switchoverwrite As Boolean

Try
My.Computer.Network.DownloadFile(Urldelfiledascari care, urlfilescaricato, switchoverwrite)
Catch ex As System.Net.WebException
If ex.Message.ToLower = "errore del server remoto: (404) non trovato." Then
'file non trovato in rete
Else
MessageBox.Show(ex.Message)
End If
End Try

End Sub