Option Explicit
Public Type BROWSEINFO
    hOwner As Long
    pidlRoot As Long
    pszDisplayName As String
    lpszTitle As String
    ulFlags As Long
    lpfn As Long
    lParam As Long
    iImage As Long
End Type

'32-bit API declarations
Declare Function SHGetPathFromIDList Lib "shell32.dll" _
  Alias "SHGetPathFromIDListA" (ByVal pidl As Long, ByVal pszPath As String) _
  As Long

Declare Function SHBrowseForFolder Lib "shell32.dll" _
Alias "SHBrowseForFolderA" (lpBrowseInfo As BROWSEINFO) As Long



Function GetDirectory(Optional Msg) As String
    Dim bInfo As BROWSEINFO
    Dim path As String
    Dim r As Long, x As Long, pos As Integer
 
'   Root folder = Desktop
    bInfo.pidlRoot = 0&

'   Title in the dialog
    If IsMissing(Msg) Then
        bInfo.lpszTitle = "Seleziona una cartella"
    Else
        bInfo.lpszTitle = Msg
    End If
    
'   Type of directory to return
    bInfo.ulFlags = &H1

'   Display the dialog
    x = SHBrowseForFolder(bInfo)
    
'   Parse the result
    path = Space$(512)
    r = SHGetPathFromIDList(ByVal x, ByVal path)
    If r Then
        pos = InStr(path, Chr$(0))
        GetDirectory = Left(path, pos - 1)
    Else
        GetDirectory = ""
    End If
End Function

Sub inizio()
    Dim Messaggio As String
    Messaggio = "Scegli la directory"
    risposta = GetDirectory(Messaggio)
End Sub