Bonjour, il s'agit de l'api pour trouver et identifier le handle de la fenêtre.
Il n'y a pas d'erreur, mais si tu es en 64bits, tu dois l'adapter
#If VBA7 Then
Public Declare PtrSafe Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As LongPtr
#Else
Public Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
#End If