>It was you that started with Contains, if memory serves
>
>But anyway http://msdn.microsoft.com/en-us/library/czz5hkty.aspx
>
>Arrays implement the IEnumerable interface. http://msdn.microsoft.com/en-us/library/vstudio/9eekhta0(v=vs.100).aspx
> IEnumerable contains Contains.
>
> Hence, ...

I needed to add

using System.Linq

for the above implementation to compile. And so far it worked great.