/// <summary>
/// Read block header.
/// </summary>
protected void ReadData(CBackupStream reader)
{
StartPosition = reader.BaseStream.Position;
Streams = new List <CDataStream>();
BlockType = (EBlockType)reader.ReadUInt32();
Attributes = (EBlockAttributes)reader.ReadUInt32();
OffsetToFirstEvent = reader.ReadUInt16();
OSID = (EOSID)reader.ReadByte();
OSVersion = reader.ReadByte();
DisplayableSize = reader.ReadUInt64();
FormatLogicalAddress = reader.ReadUInt64();
ReservedMBC = reader.ReadUInt16();
Reserved1 = reader.ReadUInt16();
Reserved2 = reader.ReadUInt16();
Reserved3 = reader.ReadUInt16();
ControlBlock = reader.ReadUInt32();
Reserved4 = reader.ReadUInt32();
OsSpecificData = reader.ReadOsSpecificData(StartPosition, OSID, OSVersion, BlockType);
StringType = (EStringType)reader.ReadByte();
Reserved5 = reader.ReadByte();
HeaderChecksum = reader.ReadUInt16();
}