et comme ça c'est plus parlant?
Const SW_SHOW = 1
Const SW_SHOWMAXIMIZED = 3
#If VBA7 Then
Public Declare PtrSafe Function ShellExecute Lib "Shell32.dll" Alias "ShellExecuteA" _(ByVal hwnd As Long, ByVal lpOperation As String,ByVal lpFile As String,ByVal lpParameters As String,ByVal lpDirectory As String, ByVal nShowCmd As Long) As Long
#Else
Public Declare Function ShellExecute Lib "Shell32.dll" Alias "ShellExecuteA" (ByVal hwnd As Long, ByVal lpOperation As String, ByVal lpFile As String, ByVal lpParameters As String, ByVal lpDirectory As String, ByVal nShowCmd As Long) As Long
#End If
Sub Macro()
Dim RetVal As Long
'RetVal = ShellExecute(0, "open", "Fichier à ouvrir>", "<Paramètre>", "<Répertoire de travail>", SW_SHOWMAXIMIZED)
RetVal = ShellExecute(0, "open", "C:\chemin_du_programme\MacroRecorder.exe ", "C:\Users\Joren\Desktop\Macro.mrf", "C:\Users\Joren\Desktop", SW_SHOWMAXIMIZED)
End Sub