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Re: understanding conversions between CF and NS datatypes

Subject: Re: understanding conversions between CF and NS datatypes
From: Jason Coco <email@hidden>
Date: Fri, 29 Aug 2008 15:41:53 -0400
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On Aug 29, 2008, at 13:38 , Allen Curtis wrote:

The problem: I found that if you release the CFMutableArray, you also loose the NSMutableArray

Question: 1. Where can I get a better understanding of the data conversion between these different frameworks? 2. Ultimately the device path names will appear in a ComboBox. Was it necessary to convert the CFMutableArray to a NSMutableArray for the datasource function?

It's more convenient to do it this way... however, you were just casting the types, not converting them. You could do something like this:

serialPorts = [(NSArray*)devicePaths copy];
CFRelease(devicePaths);

Or you could just retain your serialPorts object:

serialPorts = (NSArray *)devicePaths;
[serialPorts retain];
CFRelease(devicePaths);

/jason

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References:
	>understanding conversions between CF and NS datatypes (From: "Allen Curtis" <email@hidden>)

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