'Da qui
Option Explicit

Private Declare Function ShellExecute Lib "shell32.dll" Alias "ShellExecuteA" (ByVal hWnd As Long, ByVal lpOperation As String, ByVal lpFile As String, ByVal lpParameters As String, ByVal lpDirectory As String, ByVal nShowCmd As Long) As Long

Private Const SW_SHOWNORMAL = 1

Private Const STYLE_NORMAL = 11
'A qui metti su in alto
'Questo dove vuoi
Private Sub Label1_Click()

Dim result As Long

   result = ShellExecute( _
        Me.hWnd, "Open", _
        "http://www.dotnethell.it", "", _
        "", SW_SHOWNORMAL)

End Sub