public static SudokuSolutionNode LoadFromFile(string a_fileName)
{
try
{
using (FileStream file_stream = new FileStream(a_fileName, FileMode.Open, FileAccess.Read))
{
using (GZipStream gzip_stream = new GZipStream(file_stream, CompressionMode.Decompress))
{
using (StreamReader stream_reader = new StreamReader(gzip_stream, Encoding.ASCII))
{
return(SudokuSolutionNode.LoadFromXML(XElement.Load(stream_reader)));
}
}
}
}
catch
{
return(null);
}
}
