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rayh/gist:994318

Created May 26, 2011 23:10
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Adding KVO observation using blocks
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gistfile1.m
// To add observation
self.label1Binding = [self.model addObserverForKeyPath:@"exampleValue1" block:^(NSDictionary *change) {
label1.text = [NSString stringWithFormat:@"%d", self.model.exampleValue1];
}];
// To remove observation
self.label1Binding = nil;
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