> On 7 Jan 2015, at 20:55, Sean McBride <s...@rogue-research.com> wrote:
>
> On Wed, 7 Jan 2015 12:02:16 -0600, Ken Thomases said:
>
>> Short answer: yes, the alert is retained.
>
> Meaning that one must use the weak/strong dance pattern like this?
>
> NSAlert *alert = [NSAlert new];
> alert.alertStyle = NSWarningAlertStyle;
> alert.messageText = @“Do not touch!";
> __weak NSAlert* weakAlert = alert;
> [alert beginSheetModalForWindow:self.window
> completionHandler:^(NSModalResponse returnCode) {
> NSAlert *strongAlert = weakAlert;
> [strongAlert orderOut:self];
> }];
>
> I miss garbage collection. None of that was necessary. I still haven't got
> my head around dealing with this under ARC…
No, no dancing necessary. The completion block is only fired the once. After
that it’s discarded, breaking the retain cycle.
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