public static BplusTreeLong InitializeInStream(System.IO.Stream fromfile, int KeyLength, int NodeSize, int CultureId, long StartSeek)
{
if (fromfile.Length>StartSeek)
{
throw new BplusTreeException("can't initialize bplus tree inside written area of stream");
}
BplusTreeLong result = new BplusTreeLong(fromfile, NodeSize, KeyLength, StartSeek, CultureId);
result.setHeader();
result.buffers = BufferFile.InitializeBufferFileInStream(fromfile, result.buffersize, StartSeek+result.headersize);
return result;
}
