On Feb 28, 2010, at 8:23 AM, Chris Tracewell wrote:
> I have two synthesized properties - A and B. Whenever A changes I need B to
> be updated to A.keypath.
If B's value is entirely dependent upon A, you don't even need to synthesize it
— you can just implement B's getter to return A.keypath, and declare B as
dependent on A:
- (NSString*) b {return A.keypath; }
+ (NSArray*) keyPathsForValuesAffectingB { return [NSArray arrayWithObject:
@"a"]; }
—Jens_______________________________________________
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