My first thought looking at this demo app from the silicon vendor was to download Reflector ... but alas, Reflector seems to have gone commercial since I last used it. I don't have a problem paying for tools (everyone needs to eat) ... but in this case it's not something I'd use more than once, and so I did a quick search for free alternatives.
The two main free replacements seem to be ILSpy and Telerik's JustDecompile. They'll both do the job, but I went with JustDecompile simply because I've used Telerik products before.
After downloading and installing JustDecompile, you just need to point to your .exe (or perhaps your .dll), and if it was written using .Net (and isn't obfuscated), you should be able to see some details from the binary and browse the IL code:
A few seconds of digging, and I came up with this for example: