On Dec 29, 2011, at 1:27 PM, Jens Alfke wrote:
> Well, show us some code. (I don't have that book you're working from.)
> What is the line that raises the exception? What are the values of variables
> at that point?
It is the default code from the Document-based application. It is the @throw
exception line
- (NSData *)dataOfType:(NSString *)typeName error:(NSError **)outError
{
/*
Insert code here to write your document to data of the specified type. If
outError != NULL, ensure that you create and set an appropriate error when
returning nil.
You can also choose to override -fileWrapperOfType:error:,
-writeToURL:ofType:error:, or
-writeToURL:ofType:forSaveOperation:originalContentsURL:error: instead.
*/
NSException *exception = [NSException
exceptionWithName:@"UnimplementedMethod" reason:[NSString stringWithFormat:@"%@
is unimplemented", NSStringFromSelector(_cmd)] userInfo:nil];
@throw exception;
return nil;
}
This seems to be being called by
-[NSDocument writeToURL:ofType:error:]
Except, I'm not doing anything that should prompt the document to be saved.
Something else is instigating this activity. That is probably what is confusing
me the most.
Todd
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