Re: NSDeviceResolution
Re: NSDeviceResolution
- Subject: Re: NSDeviceResolution
- From: Greg Parker <email@hidden>
- Date: Thu, 25 Feb 2010 13:50:56 -0800
On Feb 25, 2010, at 1:40 PM, David Blanton wrote:
> [window deviceDescription] is to return an NSDictionary of device description data
>
> NSDeviceResolution key is to return an NSString representing an NSSIze
>
> Calling NSSizeFromString on this returned string causes and exception
>
> -[NSConcreteValue getCString:maxLength:encoding:]: unrecognized selector sent to instance 0x130165e0
NSDeviceResolution does not give you an NSString. It gives you an NSValue respresenting an NSSize. Try this:
NSValue* v = [dd valueForKey:NSDeviceResolution];
NSSize sz = [v sizeValue];
(The error message gives you a hint: NSConcreteValue is one of the implementations of NSValue.)
--
Greg Parker email@hidden Runtime Wrangler
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