Function Vides()
Dim T, DL, i, Plage, N
Application.Volatile
DL = [E100000].End(xlUp).Row
T = Array(7, 10, 11, 12, 13, 16, 18, 19)
For i = 0 To 7
Set Plage = Range(Cells(7, T(i)), Cells(DL, T(i)))
N = N + Application.CountIfs(Plage, "")
Next i
If N = 0 Then Vides = "" Else Vides = "Attention! " & N & " cellule(s) vide(s)."
End Function