Developing Application for Windows 7 : Best practices/things to watch out for

As someone who will someday be developing applications for use in Windows 7 in .NET, I was wondering what are the best things to do while programming for Windows 7 and also, the things we sh开发者_运维问答ould be aware of when doing it.

Make sure that your application can run as a "standard" user. (Don't do stuff that require elevated privileges)

Biggest thing I've noticed when writing apps that use the Windows 7 API codepack is that anybody trying to use your app in Vista or XP will hate you if you don't gracefully handle them. Its nice to have and use the 7 bling, but not everybody's playing with the cool kids yet.

Two things I can think of:

1. Test/run you application on both 32 and 64 bit systems
2. Make sure to test/run your application with UAC on