Perfect. Thanks for the tips!

On Tue, May 11, 2010 at 12:45 PM, Joanna Carter
<cocoa...@carterconsulting.org.uk> wrote:
> Hi Aaron
>
>> Inside of the setter methods it forwards the value to the cell. Here's
>> a quick snippet:
>>
>> @implementation GDScale9Button
>> - (void) setCornerSize:(NSSize) _size {
>>       [[self cell] setCornerSize:_size];
>> }
>>
>> - (void) setUpImage:(NSImage *) _image {
>>       [[self cell] setUpImage:_image];
>> }
>>
>> - (void) setDownImage:(NSImage *) _image {
>>       [[self cell] setDownImage:_image];
>> }
>> @end
>>
>> Will that still trigger the normal binding behavior?
>
> Only if you implement the KVO pattern in the setters:
>
> - (void) setCornerSize:(NSSize) _size
> {
>  [self willChangeValueForKey:@"CornerSize"];
>  [[self cell] setCornerSize:_size];
>  [self didChangeValueForKey:@"CornerSize"];
> }
>
> - (void) setUpImage:(NSImage *) _image
> {
>  [self willChangeValueForKey:@"UpImage"];
>  [[self cell] setUpImage:_image];
>  [self didChangeValueForKey:@"UpImage"];
> }
>
> - (void) setDownImage:(NSImage *) _image
> {
>  [self willChangeValueForKey:@"DownImage"];
>  [[self cell] setDownImage:_image];
>  [self didChangeValueForKey:@"DownImage"];
> }
>
> Joanna
>
> --
> Joanna Carter
> Carter Consulting
>
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