ULONG PerformAction( PCHAR WR Out, INT Len, PCHAR In, ULONG Rq_flags )  
{
  ULONG Result = SysPerformAction( Out, Len, In, Rq_flags );

  if( Result == NO_ERROR )
  {
    PrintString( "All done." "\n" );
  }
  else 
  {
    HandleError( Result );
  }

  return Result;
}