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Making Your Own Uninstall (Since there is no way to get a shortcut in your Setup)

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Submitted on: 1/2/2015 7:27:00 AM
By: N. Kusters (from psc cd)  
Level: Intermediate
User Rating: By 7 Users
Compatibility: VB.NET
Views: 969
 
     Let's you launch the uninstall for your application from within your app

This article has accompanying files
 
				For better/easyer reading, i just zipped a text file with some better fortmatting. Article below:
I have been searching my a-s-s off to get a nice uninstall shortcut in my start menu for my own programs. But the setup and deployment does not allow me to.
Here is what i did:
Make a setup for your program with the .NET tool, in it's properties, you see a product code (for my prog it's {75FE729D-69D4-4B86-9010-052770DE341F} for example).
In the add/remove programs window in your software window, your app is listed, and if you click remove, it's launched this way:
system32 dir \ MsiExec.exe /I{product code}
so, to do this yourself, in your application, you can do this:
Private Sub Uninstall()
 Dim myProcess As Process = New Process
 Dim s As String
 ' get the System path
 Dim sysFolder As String = _
 System.Environment.GetFolderPath _
 (Environment.SpecialFolder.System)
 ' set the file name and the command line args
 myProcess.StartInfo.FileName = "cmd.exe"
 myProcess.StartInfo.Arguments = "/C cd " & _
 sysFolder & " && MsiExec.exe /I{75FE729D-69D4-4B86-9010-052770DE341F} && exit"
 ' start the process in a hidden window
 myProcess.StartInfo.WindowStyle = _
 ProcessWindowStyle.Hidden
 myProcess.StartInfo.CreateNoWindow = True
 myProcess.Start()
 ' if the process doesn't complete within
 ' 0.5 second, kill it
 myProcess.WaitForExit(500)
 If Not myProcess.HasExited Then
 myProcess.Kill()
 End If
 myProcess.Close()
 Me.Dispose()
End Sub
Now, you have launched a CMD windows, that launches the uninstall for your application.
Hope it helped.
CMG

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