d for all file based OpenFileName notifications
Private Type OFNOTIFY
    hdr As NMHDR
    lpOFN As Long           ' Long pointer to OFN structure
    pszFile As String ';        // May be NULL
End Type

'// Structure used for all object based OpenFileName notifications
Private Type OFNOTIFYEX
    hdr As NMHDR
    lpOFN As Long       ' Long pointer to OFN structure
    psf As Long
    LPVOID As Long          '// May be NULL
End Type

Private Type OFNOTIFYshort
    hdr As NMHDR
    lpOFN As Long
End Type

' 