er:
                DialogHook = m_oEventSink.FolderChange(hDlg)
            Case CDN_FILEOK
                ' Clicked OK:
                If Not m_oEventSink.ConfirmOK() Then
                    SetWindowLong hDlg, DWL_MSGRESULT, 1
                    DialogHook = 1
                Else
                    SetWindowLong hDlg, DWL_MSGRESULT, 0
                End If
            Case CDN_HELP
                ' Help clicked
            Case CDN_TYPECHANGE
                DialogHook = m_oEventSink.TypeChange(h