Sub Coloration()
Dim x As Integer
For Each ele In Sheets("Planer").Range("C7:I35")
Projet = Range("A" & ele.Row)
Jour = Cells(5, ele.Column)
MsgBox (Jour)
formule = "=sumproduct((""" & Projet & """=Manifestations)*(" & CLng(CDate(Jour)) & ">=Début)*(Fin>=" & CLng(CDate(Jour)) & ")*row(Opérateur))"
x = Evaluate(formule)
MsgBox (x)
Next
End Sub