Sub Test()
Dim oFeuilleTrame As Worksheet, NewFeuille As Worksheet
Set oFeuilleTrame = Worksheets("Trame")
oFeuilleTrame.Copy after:=wksSynthèse
Set NewFeuille = ActiveSheet
NewFeuille.[_CodeName] = "wksDuplication"
NewFeuille.Name = "Nouvelle trame"
End Sub