Re: Getting selected items in a matrix
Re: Getting selected items in a matrix
- Subject: Re: Getting selected items in a matrix
- From: John Hörnkvist <email@hidden>
- Date: Sat, 23 Feb 2002 19:01:03 +0100
On Saturday, February 23, 2002, at 05:46 PM, Peter Schols wrote:
Hi,
My app has a matrix containing 7 buttons. When the user clicks a
button, I need to know which buttons are ON. I tried the following
code, but my app crashes when executing this method.
Running it in the debugger should tell you a lot more.
What am I doing wrong here?
Plenty; you don't initialize i, you allocate an NSArray and leak it, you
don't increment i in the loop...
- (NSString *)setDay:(id)sender
{
int i=0;
NSArray* array = [dayButton selectedCells];
for (i =0; i< [array count];i++) {
if ([[array objectAtIndex:i] state] == NSOnState) {
// code to add the Tag of the selected item to another
array goes here }
}
}
The whole method looks suspect to me --- why [dayButton selectedCells],
for example --- but it is difficult to tell without the context.
Regards,
John Hornkvist
--
ToastedMarshmallow, the perfect Cocoa companion
http://www.toastedmarshmallow.com
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