// constructors
public GridFSForwardOnlyDownloadStream(
GridFSBucket bucket,
FileDocument fileInfo,
bool checkMD5)
: base(bucket, fileInfo)
{
_checkMD5 = checkMD5;
if (_checkMD5)
{
_md5 = new IncrementalMD5();
}
_lastChunkNumber = (int)((fileInfo.Length - 1) / fileInfo.ChunkSize);
_lastChunkSize = (int)(fileInfo.Length % fileInfo.ChunkSize);
if (_lastChunkSize == 0)
{
_lastChunkSize = fileInfo.ChunkSize;
}
}