System.Runtime.Serialization.Plists.BinaryPlistWriter.WriteReferenceInteger C# (CSharp) Method

        private static int WriteReferenceInteger(BinaryWriter writer, long value, int size)
        {
            byte[] buffer;

            switch (size)
            {
                case 1:
                    buffer = new byte[] { (byte)value };
                    break;
                case 2:
                    buffer = BitConverter.GetBytes(((short)value).ToBigEndianConditional());
                    break;
                case 4:
                    buffer = BitConverter.GetBytes(((int)value).ToBigEndianConditional());
                    break;
                case 8:
                    buffer = BitConverter.GetBytes(value.ToBigEndianConditional());
                    break;
                default:
                    throw new ArgumentException("The reference size must be one of 1, 2, 4 or 8. The specified reference size was: " + size, "size");
            }

            writer.Write(buffer, 0, buffer.Length);
            return buffer.Length;
        }