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Tab View Delegate

Dear List,

I am having problems getting a tab view delegate to work ( at this point I am not so sure that it is even a delegate I need to use). The problem is that I have a tab view in a window. Each of the panels on the view has some stuff that I need to clear whenever a I change tabs ( its a few text fields that I need to reset). I thought at first that I just need to use the -(void) tabView: (NSTabView *)tabview didSelectTabViewItem:(NSTabviewItem *)tabViewItem. But 1- I could not get this to work, 2- I don't even think it is what I want.

Below is the code that I have, The delegate for startup works but not for switching tabs. Thanks for the help!

In Contol.h-

@interface Control(NSApplicationNotifications)
-(void)applicationDidFinishLaunching:(NSNotification*)notification;
- (void)tabView:(NSTabView *)tabView didSelectTabViewItem:(NSTabViewItem *)tabViewItem;
@end

In Control.m-

@implementation Control(ApplicationNotifications)
- (void)tabView:(NSTabView *)tabView didSelectTabViewItem:(NSTabViewItem *)tabViewItem
{
NSLog(@"Tab Switch");
// Do cleanup stuff
}
-(void)applicationDidFinishLaunching:(NSNotification*)notification
{
// Do load stuff
}
@end

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