Option Explicit
Private Sub Job(k%)
Dim i As Byte: Application.ScreenUpdating = 0
For i = 1 To Worksheets.Count
If i <> 4 Then Worksheets(i).Visible = k
Next i
End Sub
Sub Démasquer()
Dim mdp$
mdp = InputBox("Veuillez saisir le mot de passe")
If mdp = "loup" Then Job -1
End Sub
Sub Masquer()
Job 2
End Sub