' Lance tray.ps1 en arriere-plan, fenetre PowerShell masquee (pas de console).
Set sh  = CreateObject("WScript.Shell")
Set fso = CreateObject("Scripting.FileSystemObject")
dir = fso.GetParentFolderName(WScript.ScriptFullName)
sh.Run "powershell.exe -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File """ & dir & "\tray.ps1""", 0, False