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| Dim Derlig as long, DerColLig1 as integer, DerColFin as integer
'Dernière ligne renseignée de la feuille de calculs
Derlig = Split(Worksheets("feuil1").UsedRange.Address, "$")(4)
'Dernière colonne de la ligne 1
DerColLig1 = Worksheets("feuil1").Cells(1, Rows(1).Columns.Count).End(xlToLeft).Column
'Dernière colonne renseignée de la feuille de calculs
DerColFin = Cells(1, Split(Worksheets("feuil1").UsedRange.Address, "$")(3)).Column
Range(Cells(1, DerColLig1 + 1), Cells(Derlig, DerColFin)).ClearContents |