public static bool TryLoadSection(Stream stream, bool alt, int sectionIndex, int blockSize, out FileSection section)
{
section = new FileSection(sectionIndex, blockSize, false);
byte[] part1 = alt ? new byte[blockSize] : section._blockData;
stream.Position = section._sectionPosition;
IOStream.Read(stream, part1, blockSize);
byte[] part2 = !alt ? new byte[blockSize] : section._blockData;
stream.Position = section._sectionPosition + (section.SectionSize - blockSize);
IOStream.Read(stream, part2, blockSize);
section._isDirty = BinaryComparer.Compare(part1, part2) != 0;
if (!section.CheckValid())
{
section = null;
return(false);
}
return(true);
}
/// <summary> Returns true if the two objects are the same instance </summary>
bool IEqualityComparer <byte[]> .Equals(byte[] x, byte[] y)
{
return(0 == BinaryComparer.Compare(x, y));
}
/// <summary> Returns a hash code the instance of the object </summary>
int IEqualityComparer <byte[]> .GetHashCode(byte[] bytes)
{
return(BinaryComparer.GetHashCode(bytes));
}
/// <summary> Compares the contents of the byte arrays and returns the result. </summary>
int IComparer <byte[]> .Compare(byte[] x, byte[] y)
{
return(BinaryComparer.Compare(x, y));
}