Re: Accessing structure member NSDate in NSTableView
Re: Accessing structure member NSDate in NSTableView
- Subject: Re: Accessing structure member NSDate in NSTableView
- From: Stephane <email@hidden>
- Date: Thu, 9 Nov 2006 18:29:11 +0100
On Nov 9, 2006, at 5:59 PM, Gilles Celli wrote:
Hello,
My problem: How to access the structure member NSDate *acqDate
without copying it to a new structure ?
My code crashes NSTableView !!!
My KeithleyMultimeter class (for performance reason I don't want to
use NSArray but structures instead, this was discussed here several
weeks ago):
@interface KeithleyMultimeter : NSObject {
struct keithley_struct {
NSDate *acqDate;
double channel[MAX_NBR_OF_CHANNELS];
} k2700_data[MAX_ACQ_DATA_PER_DAY];
[...]
Its' mainly crashing when accessing the structure member NSDate....
Why ?
Could it be possible that you do:
k2700_data[index]. acqDate=[NSDate
dateWithSomeMethodFromSomewhereWhichReturnsAnAutoreleasedObject];
instead of:
k2700_data[index]. acqDate=[[NSDate
dateWithSomeMethodFromSomewhereWhichReturnsAnAutoreleasedObject]
retain];
?
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