RE: Re: Re: VC-Express

Interesting. I was just curious. I figured there'd be a slight load delay, but wasn't sure how bad it'd be. Didn't even know about the versioning issue. Nice to know!

Michael
 

-----Original Message-----
From: Stefan Küng [mailto:tortoisesvn@gmail.com]
Sent: Monday, December 12, 2005 8:33 AM
To: dev@tortoisesvn.tigris.org
Subject: Re: Re: VC-Express

On 12/12/05, Will Dean <svn@indcomp.co.uk> wrote:
> At 07:10 12/12/2005 -0600, you wrote:
>
> >My question is: Can this be converted to .NET? I've never done a
> >shell extension, so I'm not sure; but I'd like to think that there's
> >a .NET way to do it.
>
>
> The overwhelming amount of TSVN is not actually shell extension - it's
> just two ordinary applications - one which runs all the time in the
> background called TSVNCache, and the other which is invoked, with
> command line parameters, by the shell extension. (TortoiseProc.exe).

Don't forget TortoiseMerge and TortoiseBlame :)

> It's difficult to see much advantage of converting to .NET for any of
> it, really - interfacing to the SVN libraries would be harder (though
> I think there is already a .NET->SVN interface around), app startup
> would be slower which would be a disadvantage for TortoiseProc.
> Memory footprint would be larger, which would be perceived as a disadvantage for TSVNCache.
>
> I'm not anti-.NET BTW - I like programming with it, but I'm not sure
> converting TSVN would bring much benefit.

Even though there are some examples on how to implement a shell extension with .NET, you must not do that!
A shell extension is loaded by all applications that use the "Open File" dialogs. That means if you have a shell extension written for e.g. NET2.0, and a NET1.1 app opens the "Open File" dialog, NET2.0 code is injected into that NET1.1 application. This can lead to some very ugly crashes.

Even MS realized that problem and now suggests to write shell extensions *not* with .NET anymore.

Stefan

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