One Quickie

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UIPickerView delegate and datasource methods (UIPickerView->General)

- (NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView

- (NSInteger) pickerView: (UIPickerView *) picker
 numberOfRowsInComponent: (NSInteger) component

- (NSString *) pickerView: (UIPickerView *) picker
              titleForRow: (NSInteger) row
             forComponent: (NSInteger) component

- (void) pickerView: (UIPickerView *) picker
       didSelectRow: (NSInteger) row
        inComponent: (NSInteger) component