In a document based app, when
- (id)fileWrapperOfType:(NSString *)typeName error:(NSError **)outError
does not work, I return an NSError with NSRecoveryAttempterErrorKey etc.
which gives the user the option to sort out the problem, and finally I call:
[self performSelector:@selector(saveDocument:) withObject:self
afterDelay:0.0];
works fine if the writing was triggered by File→Save, or autosave etc.
But fails when it was triggered by closing the window.
Obviously the window, and self (the subclass of NSDocument) has already
disappeared when the delayed method is executed.
Any ideas what to do?
Using [ self writeToURL: [self fileURL] ofType: [self fileType] error:
&outError ];
results in a total mess.
Kind regards,
Gerriet.
P.S. 10.7.1
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