quand tu quittes ton prog dans form_unload tu mets
close lnghandle
sinon le fichier ne pourra plus etre ouvert avant le prochain redemarrage
pour les declarations d'api :
Private Const GENERIC_WRITE = &H40000000
Private Const GENERIC_READ = &H80000000
Private Const OPEN_EXISTING = 3
Private Declare Function CreateFile Lib "kernel32" Alias "CreateFileA" (ByVal lpFileName As String, ByVal dwDesiredAccess As Long, ByVal dwShareMode As Long, ByVal lpSecurityAttributes As Long, ByVal dwCreationDisposition As Long, ByVal dwFlagsAndAttributes As Long, ByVal hTemplateFile As Long) As Long