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Re: Accessing structure member NSDate in NSTableView
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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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  • Follow-Ups:
    • Re: Accessing structure member NSDate in NSTableView
      • From: Gilles Celli <email@hidden>
    • [solved]: Accessing structure member NSDate in NSTableView
      • From: Gilles Celli <email@hidden>
References: 
 >Accessing structure member NSDate in NSTableView (From: Gilles Celli <email@hidden>)

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