Re: objc_msgSend_ptr
Re: objc_msgSend_ptr
- Subject: Re: objc_msgSend_ptr
- From: chaitanya pandit <email@hidden>
- Date: Fri, 26 Sep 2008 15:54:48 +0530
if your sizeOfFile: method is returning an integer, then you should
convert it to NSNumber
like:
object = [NSNumber numberWithInt:[[files objectAtIndex:rowIndex]
sizeOfFile]];
hth,
Chaitanya
On 25-Sep-08, at 5:22 PM, Tilo Villwock wrote:
i have the following piece of code in my controller class:
- (id)tableView:(NSTableView *)aTableView objectValueForTableColumn:
(NSTableColumn *)aTableColumn row:(int)rowIndex{
id object = nil;
if([tableView columnWithIdentifier:[aTableColumn identifier]] == 1){
object = [[files objectAtIndex:rowIndex] name];
}
if([tableView columnWithIdentifier:[aTableColumn identifier]] == 2){
object = (id)[[files objectAtIndex:rowIndex] sizeOfFile];
}
return object;
}
it provides the NSTableView in my app with content. For some reason
i cannot assign:
object = (id)[[files objectAtIndex:rowIndex] sizeOfFile];
or at least an error occurs i cannot figure out. In the debugger the
last item on top of the stack is something like "objc_msgSend_ptr".
Now "files" here is an instance of NSMutableArray and the method
"sizeOfFile" belongs to a custom class and returns the size properly.
I'm pretty new to Cocoa and Objective-C and being used to java, i'm
not quite familiar with memory management (alloc/release/retain
etc.). Maybe there is something i'm missing here. I'm running 10.4
Tiger.
Thanks in advance.
Tilo
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