"BobAchgill" <BobAchg***@discussions.microsoft.com> wrote in message
news:DA686017-2462-428B-815F-D6362AC44737@microsoft.com...
|I am using FTP built in to my application to update the application and
data
| from a server...
|
| What is the normal method folks use to over write the application while
the
| program is active?  What I am running into is that the FTP code will not
over
| write the .exe while the application is running.
|
| Do any other types of application extension files have the same issue with
| not wanting to be updated while the application is running: .dll, etc.??

> Bob,
> Actually this is very much possible & actually quite easy in .NET. As Rinze
> suggests normally one cannot "overwrite files that are in use", however .NET
> has the ability to create a shadow copy of executables, such that you can
> replace the original executable with the new one. To create a shadow copy of
> an executable you set the shadow copy option when creating a new AppDomain,
> then load your executable in this second app domain. This implies that your
> app has a loader "stub" that creates the app domain & executes your actual
> program. Using a FileSystemWatcher you could have the AppDomain
> automatically restarted when a new version of the app is saved (However I
> would simply inform my user to exit & restart the app).
>
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfSystemIOFileSystemWatcherClassTopic.asp
>
>
>
> In .NET 2.0 (VS 2005) using ClickOnce is one of the easiest ways to
> implement this app loader/updater.
>
> Alternatively (.NET 1.x VS 2003) you can look at the Updater Application
> Block:
>
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnpag2/html/updaterv2.asp
>