Push Notification for iphone

i want开发者_如何学运维 to develope a windows service which sends a push notification to iphone for content update. is there any sample code or project available to do so and is there any API or helper class to implement push notification.

Go through follwowing two links http://mobiforge.com/developing/story/programming-apple-push-notification-services and http://www.macoscoders.com/2009/05/17/iphone-apple-push-notification-service-apns/

Hope this helps.

yeah go for apnssharp, free, opensource , works a treat

got the right certificate and how push notification working for me for iphone but i found that there is a small bug in apns sharp lib. after fixing that i can send notification to iphone