Possible events:

• Start
• Stop
• Setup
• Save
• Snapshot
• Inspect
• Help
• Close

The event can be used to stop or allow the user access

Example 1: Deny close due to user

def Handle_System_QueryUserEvent(Event,Username):
  #
  # Event = VT_BSTR
  # Username = VT_BSTR
  #
  # Return 1 to deny user event
  # Return 0 for default handling
  #
  if Event=='Close' and Username<>'admin':return 0
  return 0