while (running)
{
    ULONG id = DoMethod((Object *)app,MUIM_Application_NewInput,&sigs);
     .
     .
     .
    case MEN_SWITCH_USER:
	fr = (struct FileRequester *)MUI_AllocAslRequest(ASL_FileRequest, frtags);
        if (fr != NULL)
        {
        if (MUI_AslRequest(fr, NULL))
         {
         }
      FreeAslRequest(fr);
    }
    else printf("User Cancelledn");
    break;
  }
  if (running && sigs) Wait(sigs);
}