C++ and Nokia's Qt now making business news

[seasoned_geek]

Qt is becoming the defacto standard application framework for smart
phone apps, embedded systems, and business applications. Even Ubuntu
has started using it for their Gnome development.

Now there is a book which shows how to use Qt with C#/Mono.

http://www.theminimumyouneedtoknow.com/mono_book.html

there is also one which shows you how to interface Qt to multiple
database platforms, a subject not well documented elsewhere.
http://www.theminimumyouneedtoknow.com/qt_book.html