>
> We don't know what your code looks like now. You should re-post your
> *latest* code to cocoa-dev@lists.apple.com and state what is the problem at
> this time.
As Jerry pointed out, you need to learn the basics; please read up on the
basics to include memory management.
The way you've now written things will cause your app to crash. I'll leave the
reason for the crash as an exercise for you to figure out.
--Ricky Sharp
My code:
#import <Cocoa/Cocoa.h>
@interface ComboscAppDelegate : NSObject <NSApplicationDelegate> {
IBOutlet NSComboBox *countryCombo;
NSMutableDictionary *theCountries;
NSMutableArray *myKeys;
IBOutlet NSWindow *window;
}
@property (assign) IBOutlet NSWindow *window;
- (void)applicationWillFinishLaunching:(NSNotification *)notif;
@end
#import "ComboscAppDelegate.h"
@implementation ComboscAppDelegate
@synthesize window;
- (void)applicationWillFinishLaunching:(NSNotification *)notif {
theCountries = [NSMutableDictionary dictionaryWithObjectsAndKeys:
[NSMutableArray
arrayWithObjects:@"AAABBB", @"AABBB", @"AAACCC", nil], @"A",
[NSMutableArray
arrayWithObjects:@"BBBAAA", @"BBBBBBBB", @"BBBCCC", nil], @"B",
[NSMutableArray
arrayWithObjects:@"CCCDDD", @"CCFGGGFF", @"CCCDDDFFF", nil], @"C", nil];
myKeys = [NSMutableArray arrayWithObjects: [theCountries allKeys], nil];
}
@end
My problem:
I am studying Cocoa from Pragmatic's Beginning Mac Programming. I have re-read
the chapter of Memory Management. The basic idea that I have gathererd is:
"If you allocate an object using alloc, you need to take responsibility for
releasing it when you’re done.
However, if class methods are used, then there is no need to worry about
releasing objects because they are auto-released."
If someone can point me to an article that helps me understand the mistake in
my code, I would be grateful._______________________________________________
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