public static BplusTreeLong InitializeInStream(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");
}
var result = new BplusTreeLong(fromfile, nodeSize, keyLength, startSeek, cultureId);
result.SetHeader();
result.Buffers = BufferFile.InitializeBufferFileInStream(fromfile, result.Buffersize, startSeek+result.m_headersize);
return result;
}
