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 Declare Function ShellExecuteForExplore Lib 'shell32.dll' Alias 'ShellExecuteA' _
(ByVal hWnd As Long, ByVal lpOperation As String, _ ByVal lpFile As String, lpParameters As Any, _
lpDirectory As Any, ByVal nShowCmd As Long) As Long
Public Enum EShellShowConstants
essSW_HIDE = 0
essSW_MAXIMIZE = 3
essSW_MINIMIZE = 6
essSW_SHOWMAXIMIZED = 3
essSW_SHOWMINIMIZED = 2
essSW_SHOWNORMAL = 1
essSW_SHOWNOACTIVATE = 4
essSW_SHOWNA = 8
essSW_SHOWMINNOACTIVE = 7
essSW_SHOWDEFAULT = 10
essSW_RESTORE = 9
essSW_SHOW = 5
End Enum
Private Const ERROR_FILE_NOT_FOUND = 2&
Private Const ERROR_PATH_NOT_FOUND = 3&
Private Const ERROR_BAD_FORMAT = 11&
Private Const SE_ERR_ACCESSDENIED = 5 ' access denied
Private Const SE_ERR_ASSOCINCOMPLETE = 27
Private Const SE_ERR_DDEBUSY = 30
Private Const SE_ERR_DDEFAIL = 29
Private Const SE_ERR_DDETIMEOUT = 28
Private Const SE_ERR_DLLNOTFOUND = 32
Private Const SE_ERR_FNF = 2 ' file not found
Private Const SE_ERR_NOASSOC = 31
Private Const SE_ERR_PNF = 3 ' path not found
Private Const SE_ERR_OOM = 8 ' out of memory
Private Const SE_ERR_SHARE = 26
Public Function ShellEx( _
ByVal sFIle As String, _
Optional ByVal eShowCmd As EShellShowConstants = essSW_SHOWDEFAULT, _
Optional ByVal sParameters As String = '', _
Optional ByVal sDefaultDir As String = '', _
Optional sOperation As String = 'open', _
Optional Owner As Long = 0 _
) As Boolean
Dim lR As Long
Dim lErr As Long, sErr As Long
If (InStr(UCase$(sFIle), '.EXE') <> 0) Then
eShowCmd = 0
End If
On Error Resume Next
If (sParameters = '') And (sDefaultDir = '') Then
lR = ShellExecuteForExplore(Owner, sOperation, sFIle, 0, 0, essSW_SHOWNORMAL)
Else
lR = ShellExecute(Owner, sOperation, sFIle, sParameters, sDefaultDir, eShowCmd)
End If
If (lR < 0) Or (lR > 32) Then
ShellEx = True
Else
' raise an appropriate error:
lErr = vbObjectError + 1048 + lR
Select Case lR
Case 0
lErr = 7: sErr = 'Out of memory'
Case ERROR_FILE_NOT_FOUND
lErr = 53: sErr = 'File not found'
Case ERROR_PATH_NOT_FOUND
lErr = 76: sErr = 'Path not found'
Case ERROR_BAD_FORMAT
sErr = 'The executable file is invalid or corrupt'
Case SE_ERR_ACCESSDENIED
lErr = 75: sErr = 'Path/file access error'
Case SE_ERR_ASSOCINCOMPLETE
sErr = 'This file type does not have a valid file association.'
Case SE_ERR_DDEBUSY
lErr = 285: sErr = 'The file could not be opened because the target application is busy. Please try again in a moment.'
Case SE_ERR_DDEFAIL
lErr = 285: sErr = 'The file could not be opened because the DDE transaction failed. Please try again in a moment.'
Case SE_ERR_DDETIMEOUT
lErr = 286: sErr = 'The file could not be opened due to time out. Please try again in a moment.'
Case SE_ERR_DLLNOTFOUND
lErr = 48: sErr = 'The specified dynamic-link library was not found.'
Case SE_ERR_FNF
lErr = 53: sErr = 'File not found'
Case SE_ERR_NOASSOC
sErr = 'No application is associated with this file type.'
Case SE_ERR_OOM
lErr = 7: sErr = 'Out of memory'
Case SE_ERR_PNF
lErr = 76: sErr = 'Path not found'
Case SE_ERR_SHARE
lErr = 75: sErr = 'A sharing violation occurred.'
Case Else
sErr = 'An error occurred occurred whilst trying to open or print the selected file.'
End Select
Err.Raise lErr, , App.EXEName & '.GShell', sErr
ShellEx = False
End If
End Function
_Thierry viendra peut-être me contredire 
