coapp-developers team mailing list archive

[Garrett Serack <garretts@xxxxxxxxxxxxx>]

Yeah, there is some things that need to be careful, and in reality, *Most* of the time, we want to shut down the first app, but there are a handful of situations where this is really handy, and perhaps we'll make that the default, and provide some mechanism for exploiting the nearly-instantaneous-replacement model.

It also compliments really well the use of SxS for all shared components.

So, as to your little scenario, where you have a *shared* component (Ext.dll) -- that would need to be a WinSxS shared component, and therefore, version-safe.

If the dll was in the local directory (ie, a DLL for modularity purposes) each EXE would load it's own copy, from it's own directory.

G



-----Original Message-----
From: coapp-developers-bounces+garretts=microsoft.com@xxxxxxxxxxxxxxxxxxx [mailto:coapp-developers-bounces+garretts=microsoft.com@xxxxxxxxxxxxxxxxxxx] On Behalf Of Rivera, Rafael
Sent: Wednesday, April 07, 2010 12:08 PM
To: coapp-developers@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Coapp-developers] Another kind of package

Sorry, I was too quick to reply. I understand you can run both side by
side, which is cool.

Just wanted to add some tiny print that said "reparse aware" next to
your use of "application". Swapping of links creates a disaster for
normal applications that load bits from their directory at runtime.

Perhaps MyApp-1.0 loads and calls Ordinal 1 in Ext.dll to Save a file.
MyApp-2.0 gets installed, targeted, but uses Ext.dll with Delete as
Ordinal 1... Ruh'roh!

/rafael

On 4/7/2010 2:36 PM, Garrett Serack wrote:
> So it turns out that option #1 has another benefit.
> 
> ** You can delete and recreate the symlink without having to stop the application running from that symlink'd folder. **
> 
> This will let you install side-by-side a new version of the application, remove the old symlink, and create a new one, without having to kill an existing process. 
> 
> Very Cool.
> 
> Garrett Serack | Open Source Software Developer | Microsoft Corporation 
> I don't make the software you use; I make the software you use better on Windows.
> 

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