MongoDB.Bson.IO.BsonBinaryWriter.WriteNull C# (CSharp) Method

        public override void WriteNull()
        {
            if (Disposed) { throw new ObjectDisposedException("BsonBinaryWriter"); }
            if (State != BsonWriterState.Value)
            {
                ThrowInvalidState("WriteNull", BsonWriterState.Value);
            }

            _buffer.WriteByte((byte)BsonType.Null);
            WriteNameHelper();

            State = GetNextState();
        }