Action on VM when VM window gets closed

typedef enum _PRL_VM_ACTION_ON_WINDOW_CLOSE {
  PWC_VM_STOP = 0,
  PWC_VM_SUSPEND = 1,
  PWC_VM_ASK_USER = 2,
  PWC_VM_PAUSE = 3,
  PWC_VM_SHUTDOWN = 4,
  PWC_VM_DO_NOTHING = 5
} PRL_VM_ACTION_ON_WINDOW_CLOSE;