No entiendo bien lo que necesitas pero creo que es esto
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 Sub command1_Click()
Dim ret As Long
Dim SW_NORMAL As Integer
SW_NORMAL = 1
ret = ShellExecute(Me.hwnd, "Open", "http://" & Label1.Caption, &O0, &O0, SW_NORMAL)
End Sub
Abre la web que contiene la etiqueta en ese momento