How to stop uninstallation when the application is running

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Hi,

If the application is running and the user tries to uninstall the application then I want to prevent the uninstallation.

Help me out....

Posted 22-Dec-10 19:05pm

subhash04573

Updated 22-Dec-10 21:48pm

Dalek Dave

v2

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Sandeep Mewara 23-Dec-10 1:08am

via code you are asking? Not very clear of the case.

Sergey Alexandrovich Kryukov 23-Dec-10 1:15am

Why do you think uninstallation can complete if the process is running? maybe some steps could be done but uninstallation will certainly fail to delete your code...

And, just in case, how about the opposite approach -- uninstaller asks if you "really-really" want to uninstall and terminate the process which prevents uninstallation? It may make sense...

subhash04573 23-Dec-10 1:22am

while uninstalling, if the application running. u will get pop up dialog saying
the following app is opened
Cancel Retry Ignore.
If i selected ignore it's continue uninstall but the application which is opened is remained and then i have to close manually.

i can able to kill the process but i want to stop uninstallation.

Dalek Dave 23-Dec-10 3:49am

Edited for Spelling and Syntax

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JOAT-MON · Answer 1 · 2010-12-22T20:05:00

Solution 1

I would recommend creating a custom action in your setup project to override the OnBeforeUninstall() function, and cancel it in there. Something along these lines:

C#

protected override void OnBeforeUninstall(IDictionary savedState)
{
     base.OnBeforeUninstall(savedState);
     if(Process.GetProcessesByName("nameOfYourProcess").Length > 0)
     {
          throw new InstallException("Cannot uninstall while appname is running.");
     }
}

Posted 22-Dec-10 20:05pm

JOAT-MON

Updated 23-Dec-10 23:32pm

v2

Comments

subhash04573 23-Dec-10 2:11am

Thank you very much.
can you explain what is it mean
Process.GetProcessesByName("nameOfYourProcess").Length > 0

JOAT-MON 23-Dec-10 2:21am

Process.GetProcessByName() is a static function that will search the currently running process list for a process with the name you pass to it as a parameter. It returns an array of processes, so if that array is .Length == 0 then the process is not running. However, if the .Length > 0 then the process it was looking for is running.

subhash04573 23-Dec-10 5:34am

Thank you very much.......

Toli Cuturicu 23-Dec-10 19:54pm

That is not c# (read the question tags before answering)

JOAT-MON 24-Dec-10 5:35am

@Toli - I did read, but it is my habit to do my custom actions in vb. Answer edited to show the C# translation.

Member 1778738 2-Feb-11 2:34am

hii got a simple exe with a setup project using c# and studio 2005 ...where do i add your code exactly ??

Sandip Paul 491984 24-Sep-13 16:55pm

its not working.i added the code in installer class and then add custom action delete

JOAT-MON 2-Feb-11 5:57am

Here is a link to creating and adding a custom action:
http://msdn.microsoft.com/en-us/library/d9k65z2d%28v=vs.80%29.aspx
In this walk-through you will add an installer class to the custom action, and it is in that installer class that you want to override the OnBeforeUninstall().

JOAT-MON 24-Sep-13 19:00pm

Did you do the walk-through I posted the url to in the above comment?

Sandip Paul 491984 25-Sep-13 5:37am

ya i have done
1> first i include a installer.cs file and add the code
2>next i create a custom on delete
but the problem remains same at its position

Member 13988725 18-Sep-18 8:48am

Thanks JOAT-MON. This is something i was looking for.