Re: File locked problem in c#

From: QPatrik_L=F6wendahl_=5BC=23_MVP=5D=22?= (patrik.lowendahl.no.freakin.spam_at_home.se)
Date: 01/23/05 

Date: Sun, 23 Jan 2005 15:21:37 +0100

You should always make sure that you close the streams used to load the
images as well.

Maybe that is the problem you're experiencing? 

-- 
Patrik Löwendahl [C# MVP]
http://www.lowendahl.net/ || http://www.cshrp.net
Albert Greinöcker wrote:
> Hi ng,
> 
> I have a very strange problem within my c# application:
> One of the (background) Threads in my application is responsible for some 
> image processing tasks (like resizing, clipping, ..) on a list of files.
> Therefore, some temporary files are created which should be deleted after 
> processing is finished.
> This Thread is called several times. When I call it the first time, 
> everything's ok and no errors occur.
> In the second call, I can observe very strange behaviour: I cannot delete 
> the temporary files created by this thread, but I'm sure that all image and 
> bitmap-objects are disposed after processing (with this method,which is, I 
> think more than should be necessary to release the file lock)
> private static void DisposeImage(Image image)
> 
> {
>     image.Dispose();
>     image = null;
>     GC.Collect();
> }
> 
> Did anyone observe similar behaviour? Does anyone have any ideas what could 
> be the reason for this annoying file locks (e.g. error in threading or 
> whatever..)
> Or, how could a workaround look like (which means how can I unlock a file 
> which was created by the same thread)
> 
> thx,
> Albert
> 
> 
>

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