What is the File's Owner (in Interface builder)?

Question

I am new to Cocoa and I don\'t understand the concept of File\'s Owner of a .nib file.

Here is the way I would see things :

• Consider a

Answer 1

File's Owner in Interface Builder is so that it knows the object type of the parent. This is used in two ways. Firstly, in Interface Builder so that IB knows what outlets and actions are available to you to connect. Secondly it is used by the application framework to know how to reconnect things to the rest of your code once the nib file is loaded.