On 1 Jun '08, at 11:19 AM, John Love wrote:
the NSAlert is type-cast as a NSWindow when passed to my dlgEndSelector, so that "unrecognized selector" is mystifying.
That's your problem, then: NSAlert isn't an NSWindow; it's a direct subclass of NSObject. Your -endCalculateSheet: method's first parameter should be (NSAlert*), not (NSWindow*). NSAlert.h says:
// ... The didEndSelector should have the following signature://- (void)alertDidEnd:(NSAlert *)alert returnCode: (NSInteger)returnCode contextInfo:(void *)contextInfo;
This is a bit inconsistent of them since other "didEnd" methods take the sheet's NSPanel* as their first argument. I think they did it because there's no obvious way to take an NSPanel* and find the NSAlert that owns it.
—Jens
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