You could subclass UINavigationController.

Luke

On Dec 8, 2009, at 9:46 AM, Duccio wrote:

> Hi.
> 
> I created CustomNavBar subclassing UINavigationBar.
> 
> In Interface Builder I drag a Navigation Controller (UINavigationController) 
> from the library to the document. Under this object in document window I can 
> see a Navigation Bar (UINavigationBar). Clicking it and using the Identity 
> Inspector I can change the class from standard UINavigationBar to my 
> CustomNavBar.
> 
> How can I reproduce it programmatically?
> 
>       MyViewController *myViewController = [[MyViewController alloc] init];
>       UINavigationController *navController = [[UINavigationController alloc] 
> initWithRootViewController:myViewController];
>       [myViewController release];
> 
> UINavigationController navigationBar property is read only so I can't do:
> 
>       CustomNavBar *customNavBar = [[CustomNavBar alloc] init];
>       navController.navigationBar = customNavBar;
>       [customNavBar release];
> 
> What should I do to customize the navigation bar programmatically? Is IB more 
> "powerful" than "code"? I believed all that can be done in IB could be done 
> also programmatically.
> 
> Duccio.
> 
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