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[TrueScot]

I trying to change the color of a single row thats been selected in a UIPickerView with a Toolbar Button connected to an IBAction but it doesn't like the 'label' and 'component' in the call to UIView *pickerView viewForRow. It thinks its undeclared.  Also, it paints every row and I only want a single row painted - (I've tried it as a separate method). Here is the code:

-(IBAction) setParm  {  UIView *pickerView:(UIPickerView *)pickerView viewForRow:(NSInteger)rowforComponent:(NSInteger)component    reusingView:(UIView *)view       UILabel *label = (UILabel *) view;   if (label == nil) { label = [[UILabel alloc] init];}   [label setText:@"parameter set"];     [label setTextColor:[UIColor blackColor]];   [label setBackgroundColor: [UIColor  colorWith [indent]Red:(CGFloat)0.376 green:(CGFloat)0.988 blue:(CGFloat)0.36 alpha:(CGFloat)0.50]; CGSize rowSize = [pickerView rowSizeForComponent:component];   CGRect labelrect = CGRectMake(0, 0, rowSize.width, rowSize.height);   [label setFrame:labelrect];    }