hello every body,
early i suffered from installing QWT library, and thanks for any one helped me then i want to help any one have trouble by adding these videos to help you
i hope i can help

http://www.youtube.com/watch?v=Iveh4cAvaRQ
this is the part 1

http://www.youtube.com/watch?v=HNrIO...feature=relmfu
this is part 2