I\'d like to use a different icon for the demo version of my game, and I\'m building the demo with a different build config than I do for the full verison, using a preprocessor
This will get you halfway there: http://www.codeproject.com/KB/dotnet/embedmultipleiconsdotnet.aspx
Then you need to find the Win32 call which will set the displayed icon from the list of embedded icons.