Dim ProjOpé As String
ProjOpé = Sheets("Formulaire").Range("C4")
Dim LignProjOpé As Integer
LignProjOpé = Sheets("Analytique").Range("1:1").Find(What:=ProjOpé, After:=ActiveCell, LookIn:=xlFormulas, _
LookAt:=xlPart, SearchOrder:=xlByRows, SearchDirection:=xlNext, _
MatchCase:=False, SearchFormat:=False).Row