Sub Nettoie()
Dim Sht As Worksheet, DCell As Range, Calc As Long, Rien As String, Avant As Double, plage As Range
On Error Resume Next
Calc = Application.Calculation ' ---- mémorisation de l'état de recalcul
'------------------------------------------------------------
MsgBox "Pour le classeur actif : " _
& Chr(10) & ActiveWorkbook.FullName _
& Chr(10) & "dans chaque feuille de calcul" _
& Chr(10) & "recherche la zone contenant des données," _
& Chr(10) & "réinitialise la dernière cellule utilisée" _
& Chr(10) & "et optimise la taille du fichier Excel", _
vbInformation
'-------------------------------------------------------------
MsgBox "Taille initiale de ce classeur en octets" _
& Chr(10) & FileLen(ActiveWorkbook.FullName), _
vbInformation, ActiveWorkbook.FullName
'------------------------------------------------------------
With Application
.Calculation = xlCalculationManual
.StatusBar = "Nettoyage en cours..."
.EnableCancelKey = xlErrorHandler
.ScreenUpdating = True
End With
'-------------------- le traitement
For Each Sht In Worksheets
Avant = Sht.UsedRange.Cells.Count
Application.StatusBar = Sht.Name & "-" & Sht.UsedRange.Address
'-------------------Traitement de la zone trouvée
If Sht.UsedRange.Address <> "$A$1" Or Not IsEmpty(Sht.[A1]) Then
Set DCell = Sht.Cells.Find("*", , , , xlByRows, xlPrevious)(2)
'----------------Suppression des lignes inutilisées
If Not DCell Is Nothing Then
Sht.Range(DCell, Sht.Cells([A:A].Count, 1)).EntireRow.Delete
Set DCell = Nothing
Set DCell = Sht.Cells.Find("*", , , , xlByColumns, xlPrevious)(, 2)
'----------------Suppression des colonnes inutilisées
If Not DCell Is Nothing Then Sht.Range(DCell, Sht.[IV1]).EntireColumn.Delete
End If
Rien = Sht.UsedRange.Address
End If
'ActiveWorkbook.Save
'---------------------Message pour la feuille traitée
'MsgBox "Nom de la feuille de calcul :" _
'& Chr(10) & Sht.Name _
'& Chr(10) & Format(Sht.UsedRange.Cells.Count / Avant, "0.00%") _
'& " de la taille initiale", _
'vbInformation, ActiveWorkbook.FullName
Next Sht
'--------------------Message fin de traitement
MsgBox "Taille optimisée de ce classeur en octets" _
& Chr(10) & FileLen(ActiveWorkbook.FullName), _
vbInformation, ActiveWorkbook.FullName
'--------------------
Application.StatusBar = ""
Application.Calculation = Calc
ActiveWorkbook.Save
Application.Cursor = xlDefault
Application.ScreenUpdating = True
End Sub
