Hi, I just had some trouble with a strange undeletable QTemporaryFile. Of 
course only under Windows. Under Linux the code worked perfectly. Now I know, 
that Windows has troubles to remove open files, but this was not the problem (I 
think).

I created a QTemporaryFile and disabled autoremove (setAutoRemove(false)). I 
needed the file for a while in several other places. I always closed it after 
usage. When I finally was done with it, I tried to remove it. Tough luck. 
QFile::remove(<filename>) or the non-static version returned false. 
Errorstring: 'unknown error', which usually means no error at all.

Of course I thought, that the problem is somewhere in my code, however, here is 
what I did: I created a QTemporaryFile object just to get a unique filename. I 
dropped the object at once, I did not use it. But with the unique filename I 
created a normal QFile. This I passed around exactly like I did with the 
QTemporaryFile. Actually I always passed only the filename around, never the 
file object itself. My functions opened and closed it. And this file I could 
delete without problems after I did not need it anymore. 

I think, if I did some coding error in one of my functions, it shouldn't have 
made a difference whether the filename belonged to a file, which was created 
via QTemporaryFile object, or via QFile object.

What do you think? A but, or do I overlook something?

Guido
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