public void RegisterATMLReader( ATMLReader reader )
{
_reader = reader;
_reader.OpenInputDocument += _reader_OpenInputDocument;
_reader.ParseableInputDocument += _reader_ParseableInputDocument;
_reader.NavigableInputDocument += _reader_NavigableInputDocument;
_reader.BeginOpenDocument += _reader_BeginOpenDocument;
_configurationForm.RegisterATMLReader( _reader );
readerFrameControl.RegisterATMLReader( _reader );
_readerOutputWindow.RegisterATMLReader( reader );
}