Fastest way to separate the digits of an int into an array in .NET?

Question

I want to separate the digits of an integer, say 12345, into an array of bytes {1,2,3,4,5}, but I want the most performance effective way to do that, because my program does tha

Answer 1

'Will' vs 'Does'? I'm a huge fan of optimizing code after it's wrote, profiled, and it's been determined to be the bottleneck.