System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo.InitSiWrite C# (CSharp) Method

        private void InitSiWrite()
        {
            SerializationInfoEnumerator siEnum = null;
            _isSi = true;
            siEnum = _si.GetEnumerator();
            int infoLength = 0;

            infoLength = _si.MemberCount;

            int count = infoLength;

            // For ISerializable cache cannot be saved because each object instance can have different values
            // BinaryWriter only puts the map on the wire if the ISerializable map cannot be reused.
            TypeInformation typeInformation = null;
            string fullTypeName = _si.FullTypeName;
            string assemblyString = _si.AssemblyName;
            bool hasTypeForwardedFrom = false;

            if (!_si.IsFullTypeNameSetExplicit)
            {
                typeInformation = BinaryFormatter.GetTypeInformation(_si.ObjectType);
                fullTypeName = typeInformation.FullTypeName;
                hasTypeForwardedFrom = typeInformation.HasTypeForwardedFrom;
            }

            if (!_si.IsAssemblyNameSetExplicit)
            {
                if (typeInformation == null)
                {
                    typeInformation = BinaryFormatter.GetTypeInformation(_si.ObjectType);
                }
                assemblyString = typeInformation.AssemblyString;
                hasTypeForwardedFrom = typeInformation.HasTypeForwardedFrom;
            }

            _cache = new SerObjectInfoCache(fullTypeName, assemblyString, hasTypeForwardedFrom);

            _cache._memberNames = new string[count];
            _cache._memberTypes = new Type[count];
            _memberData = new object[count];

            siEnum = _si.GetEnumerator();
            for (int i = 0; siEnum.MoveNext(); i++)
            {
                _cache._memberNames[i] = siEnum.Name;
                _cache._memberTypes[i] = siEnum.ObjectType;
                _memberData[i] = siEnum.Value;
            }

            _isNamed = true;
        }