Re: Tell which type is in NSValue?
Re: Tell which type is in NSValue?
- Subject: Re: Tell which type is in NSValue?
- From: aaron smith <email@hidden>
- Date: Wed, 5 Aug 2009 01:15:43 -0700
thanks for the info. I'm trying to put it all together. help me out?
I've tried a couple diff things, here's what Im trying..
NSPoint thePoint2 = NSMakePoint(30.0,35.0);
//NSValue *test = [NSValue valueWithBytes:&thePoint2 objCType:@encode(NSPoint)];
NSValue *test = [NSValue valueWithPoint:thePoint2];
if([test objCType] == @encode(NSPoint)) printf("test is an NSPoint");
thanks a bunch
On Tue, Aug 4, 2009 at 11:59 PM, Bill Bumgarner<email@hidden> wrote:
> On Aug 4, 2009, at 11:38 PM, aaron smith wrote:
>
>> if I receive an NSValue object, how can I find out if the value it
>> contains is a point/rect/size/ etc. I can't figure out what to compare
>> it with, and can't figure out if the objCType is something I can use
>> for that problem. Any ideas?
>
> This:
>
> http://developer.apple.com/documentation/Cocoa/Reference/Foundation/Classes/nsvalue_Class/Reference/Reference.html#//apple_ref/occ/instm/NSValue/objCType
>
> Implies this:
>
> http://developer.apple.com/documentation/Cocoa/Conceptual/NumbersandValues/Articles/Values.html#//apple_ref/doc/uid/20000174-BAJJHDEG
>
> Which implies this:
>
> http://developer.apple.com/iphone/library/documentation/Cocoa/Conceptual/ObjCRuntimeGuide/Articles/ocrtTypeEncodings.html
>
> b.bum
>
>
>
>
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