Sub Masque()
Application.ScreenUpdating = False
With Worksheets("Base")
.Cells.EntireRow.Hidden = False
DL = .[A65500].End(xlUp).Row + 20 ' 20 pour être sur de finir le dernier bloc
For L = 4 To DL
If .Cells(L, "A") = "" Then .Cells(L, "A").EntireRow.Hidden = True
Next L
End With
End Sub
Sub Démasque()
Application.ScreenUpdating = False
Worksheets("Base").Cells.EntireRow.Hidden = False
End Sub