/// <summary>Disposes of this class and closes the database file.</summary>
public void Dispose()
{
_stream?.Dispose();
_reader?.Dispose();
_stream = null;
_reader = null;
}
/// <summary>
/// Constructor. Ensures that the specified database file exists. The database file remains open until this
/// instance is disposed of. Creating instances of this class is cheap, but reusing an instance when performing
/// large numbers of lookups will improve performance.</summary>
/// <param name="dbFileName">
/// The name of the HIBP database file. The format of this file is specific to PwnedLib; use PwnedGen to generate
/// one. See documentation on the project website.</param>
public PwnedChecker(string dbFileName)
{
DbFileName = dbFileName;
if (!File.Exists(dbFileName))
{
throw new ArgumentException($"The specified file does not exist: \"{dbFileName}\"", "dbFileName");
}
_stream = File.Open(DbFileName, FileMode.Open, FileAccess.Read, FileShare.Read);
_reader = new BinaryReader2(_stream);
}