В Tue, 22 May 2018 13:54:08 +0200, Andreas Höschler написа:
> - (id)initWithFrame:(NSRect)frameRect {
> NSLog(@"initWithFrame ...");
> self = [super initWithFrame: frameRect];
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> [self retain];
> ...
> }
Good practice is to check the result of that assignment. If it fails for
some reason, it would explain (to an extent) why your program crashes
when you attempt to assign a value to the ivar at line 168. Also, if
self is nil, -retain will do nothing.
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