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Force Update on Open
Posted on 2013-01-03
I'm using clickonce, but I don't like having to change the minimum version number to force the update. It's less about forcing the update, as just not popping up the message box to the user asking if they want to update.
I don't care about installation times on startup, its typically only 5seconds or less, and the users are used to slower responses than that on most application startups. As a programmer, if I publish an update, I want the users to be updated at a maximum of the next time it's executed, with minimal interference to them.
Here's what I've developed, but I can't figure out how to restart? Am I in the wrong event?
The following code is in Application.Events
I don't care about installation times on startup, its typically only 5seconds or less, and the users are used to slower responses than that on most application startups. As a programmer, if I publish an update, I want the users to be updated at a maximum of the next time it's executed, with minimal interference to them.
Here's what I've developed, but I can't figure out how to restart? Am I in the wrong event?
The following code is in Application.Events
Partial Friend Class MyApplication
Private Sub MyApplication_Startup(ByVal sender As Object, ByVal e As Microsoft.VisualBasic.ApplicationServices.StartupEventArgs) Handles Me.Startup
If ApplicationDeployment.IsNetworkDeployed() Then
If ApplicationDeployment.CurrentDeployment.CheckForUpdate Then
ApplicationDeployment.CurrentDeployment.Update()
'How do I force restart?
'Application.Restart ---This isn't available?
End If
End If
#If Not Debug Then
ExManager.ExceptionManager.AddHandler()
#End If
End Sub
End Class
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8 Comments
I moved the routine out of the StartupEvent and into a module which allowed me to call Application.Restart, then called the module from the startup.
It's all working, except that Restart doesn't close the current application, so I end up with 2 running, 1 old and 1 new. Calling Application.Exit after Restart doesn't close the old one.
It's all working, except that Restart doesn't close the current application, so I end up with 2 running, 1 old and 1 new. Calling Application.Exit after Restart doesn't close the old one.
Seems to be the same behavior if I call the sub from Startup Event, or from my initialForm's Load event. It updates and opens the new app, but doesn't close the original.
Module modGlobals
Public Sub UpdateAsNeeded()
If ApplicationDeployment.IsNetworkDeployed() Then
If ApplicationDeployment.CurrentDeployment.CheckForUpdate Then
ApplicationDeployment.CurrentDeployment.Update()
'How do I force restart?
Application.Restart()
Application.DoEvents()
Application.Exit()
End If
End If
End Sub
End Module
Well that's weird because its description says
Keep trying in different places (shown event as well) and it nothing else works then trying making the app a single instance app and see if that works.
Shuts down the application and starts a new instance immediately.
Keep trying in different places (shown event as well) and it nothing else works then trying making the app a single instance app and see if that works.
Turning on Single Instance did solve the problem. I'm ok with using that option, it doesn't matter either way on my case. Thanks.
Hmm, well I just wanted to mark my final code as a solution and give credit for the single instance suggestion. Didn't know it would cause a "close question".
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