Help With Interface Builder in Xcode

Hi everyone. I'm fairly new to Xcode. I've just switched from C++ to objective-c. It's pretty similar and I usually don't get too many errors. But I'm used to working with command-line programs. However, I want to learn how to use Interface Builder to improve my programs. I can design it and all but when I write the class files and complete my program it says succeeded. Which is odd because when I click the buttons nothing happens like I coded it. A little help please? Thank you.

 

Thank you. That tutorial was very helpful And no, I usually make an App Delegate and hook the IBActions up to that.