/// <summary>
/// Constructor
/// </summary>
/// <param name="datReader">Data file for which the file list needs to
/// be constructed.</param>
public FileList(DatReader datReader)
{
Debug.Assert(datReader != null);
m_sourceHash = datReader.GetFileNameHash();
m_datReader = datReader;
m_fileGroups = new Dictionary <int, FileGroup>();
}