ADBaseLibrary.Matroska.Objects.EbmlMaster.Read C# (CSharp) Method

        public override void Read(BinaryReader reader, ulong baselength = 0)
        {
            InputOffset = (ulong)reader.BaseStream.Position - (ulong)MatroskaExtensions.IdSize(Id);
            ulong length;
            if (baselength == 0)
                reader.Ebml_Read_Length(out length);
            else
                length = baselength;
            InputValueOffset = (ulong)reader.BaseStream.Position;
            while (length > 0)
            {
                ulong coffset = (ulong)reader.BaseStream.Position;
                ulong head;
                reader.Ebml_Read_Id(4, out head);
                bool found = false;
                List<EbmlGeneric> ls=new List<EbmlGeneric>();
                ls.AddRange(Available);
                ls.AddRange(Container.General);
                foreach (EbmlGeneric k in ls)
                {
                    if (k.Id == head)
                    {
                        EbmlGeneric c = k.New();
                        Value.Add(c);
                        c.Read(reader);
                        found = true;
                        break;
                    }
                }
                if (!found)
                    throw new IOException(string.Format("Unknown header {0:X}", head));
                length -= (ulong)reader.BaseStream.Position - coffset;
            }
            Value.Sort();
        }