Converting a list of ints to a byte array

Question

I tried to use the List.ConvertAll method and failed. What I am trying to do is convert a List to byte[]

I copped out and went

Answer 1

How about

var bytes = integers.Select(i => BitConverter.GetBytes(i)).ToArray();

totally untested BTW, but seems reasonable.

This should actually give you an Array of arrays of bytes...which may or may not be what you need. If you want to collapse it into a single array, you can use SelectMany

var bytes = integers.SelectMany(i => BitConverter.GetBytes(i)).ToArray();