Bonjour,
Tu inclus le code dans la procédure évènementielle BeforeDoubleClick de la feuille concernée
Private Sub Worksheet_BeforeDoubleClick(ByVal Target As Range, Cancel As Boolean)
Dim C As Range
Set C = Sheets("Feuil2").Cells.Find(What:=Target.Value, LookIn:=xlValues, LookAt:=xlWhole)
If Not C Is Nothing Then
Sheets("Feuil2").Activate
C.Activate
Else
MsgBox "Aucun contenu identique en feuille 2"
End If
Set C = Nothing
End Sub
A+