verticalLoc and x are readonly values, you cannot assign them.
use the frame property, first to retrieve it, change the x value and then to
reassign to the button.
something like
CGFrame frame = pPngButton.frame;
frame.x = ...;
pPngButton.frame = frame;
Dragos
On Wed, Jul 29, 2009 at 3:24 AM, Agha Khan <agha.k...@me.com> wrote:
> Hi:
> Thank you for your reply.
> Oh yes. It an Objective-C class.
>
> regardless I place (bVerticalDisplay == YES) or not. The function silently
> fails, with no warnings.
> The I decided to
> pPngButton.verticalLoc.x = (bVerticalDisplay == YES) ? 250 : 410;
> This time I got warning.
>
> error: lvalue required as left operand of assignment
>
> Many thanks
>
> -Agha
>
>
>
>
> On Jul 28, 2009, at 7:59 PM, Kiel Gillard wrote:
>
> On 29/07/2009, at 12:52 PM, Agha Khan wrote:
>>
>> Hi:
>>> I have a struct
>>> @interface PngButton : UIButton
>>> {
>>> @public
>>> bool OffPos;
>>> CGPoint horizontalLoc;
>>> CGPoint verticalLoc;
>>> }
>>> @property (assign) bool OffPos;
>>> @property (assign) CGPoint horizontalLoc;
>>> @property (assign) CGPoint verticalLoc;
>>> @end
>>>
>>
>> No, you have an Objective-C class.
>>
>> PngButton* pPngButton = [PngButton
>>> buttonWithType:UIButtonTypeInfoDark];
>>> [pPngButton setFrame:CGRectMake(screenRect.size.width - 70.0, 50.0, 36,
>>> 36)]; // No problem
>>>
>>> pPngButton.verticalLoc = CGPointMake((bVerticalDisplay == YES) ? 250 :
>>> 410, 50.0);
>>>
>>> I get an error
>>> error: lvalue required as left operand of assignment
>>>
>>> Why it is not working? I shouldn't get this error.
>>> Any help will be very much appreciated.
>>>
>>
>> Do you get any warnings?
>>
>> Try this and see what happens:
>> pPngButton.verticalLoc = CGPointMake((bVerticalDisplay == YES ? 250.0 :
>> 410.0), 50.0);
>>
>> Kiel
>>
>>
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