Public Sub initialisation()
' Sauvegarde et initialisation tableau
Dim col As Integer
Dim del As Long
Dim der As Long
Dim top As Long
Dim nom As String
Dim rep As String
    nom = Left(ThisWorkbook.FullName, InStrRev(ThisWorkbook.FullName, "\")) & "sav_" & ThisWorkbook.Name
    If MsgBox("Voulez-vous sauvegarder ce document ?", vbYesNo, "Confirmation sauvegarde") = vbYes Then
        With Application.FileDialog(msoFileDialogFolderPicker)
            .Title = "Choisissez le répertoire de sauvegarde"
            .InitialFileName = nom
            If .Show = -1 Then
                rep = .SelectedItems(1)
                nom = InputBox("Saisissez votre nom de sauvegarde", " NOM DE SAUVEGARDE", Mid(nom, InStrRev(ThisWorkbook.FullName, "\") + 1))
                ThisWorkbook.SaveCopyAs rep & "\" & nom
                MsgBox "Classeur sauvegardé"
            Else
                MsgBox "Classeur non sauvegardé"
                End
            End If
        End With
    End If
    If MsgBox("Voulez-vous initialiser ce document ?", vbYesNo, "Confirmation initialisation") = vbYes Then
        Set ws = ThisWorkbook.Worksheets("Facture")
        ws.Activate
        With ws.ListObjects("FactureSimple")
            top = .HeaderRowRange.Row
            der = .ListRows.Count
            For col = 1 To .ListColumns.Count
                If Left(.DataBodyRange.Item(1, col).Formula, 1) <> "=" Then
                    .DataBodyRange.Item(1, col).Value = ""
                End If
            Next col
        End With
        For del = ws.Cells(Rows.Count, "Q").End(xlUp).Row To top + der + 2 Step -1
            If Left(ws.Cells(del, "Q").Formula, 1) <> "=" Then
                ws.Cells(del, "N").Resize(1, 4).Value = ""
            End If
        Next del
        ws.Range("C2").Value = ""
        ws.Range("C3").Value = ""
        '----------------   modifications ici
        With ws.ListObjects("FactureSimple")
            .DataBodyRange.Delete
        End With
        ' ----------------  fin des modifications
    End If
    ActiveWindow.ScrollRow = 1
End Sub