Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
1,461 questions
Detecting running files when I uninstall ClickOnce Program
Aceldama
1
Reputation point
Hello, I may not be able to communicate the meaning properly using a translator.
I came over from this link.
I am distributing the program through [ClickOnce].
- After I run the program...
- Uninstall the program from the [Control Panel].
- It is not uninstalled from "AppData\Local\Apps\2.0" because the program is turned on.
This is the problematic way.
To solve this problem...
- When I uninstall from Control Panel, I must exit the program from [ClickOnce] itself.
or - When I uninstall from Control Panel, I must start [My Custom Uninstall Program].
Which of these two methods does Winform support?
{count} votes
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Jack J Jun 23,506 Reputation points Microsoft Vendor2022-04-25T07:53:44.58+00:00 @Aceldama , Welcome to Microsoft Q&A, Do you mean that you can not uninstall the clickonce app when you run the app? Then, I want to know if the app is still in the control panel after you clicked the uninstall in the control panel and refresh it
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Aceldama 1 Reputation point
2022-04-26T00:33:15.017+00:00 No, it will not be removed from AppData\Local\Apps\2.0.
The moment I uninstall it from the control panel, I must also exit the program. And I must also erase the corresponding project in AppData\Local\Apps\2.0. -
Jack J Jun 23,506 Reputation points Microsoft Vendor
2022-04-26T08:55:19.573+00:00 @Aceldama , based on my test, there is no problem for me. I can uninstall the app from the control panel even if the app is open. What is your environment about .net framework and visual stduio version?
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Aceldama 1 Reputation point
2022-04-27T10:29:09.2+00:00 Did you uninstall the app from Control Panel with it on?
If so, you have [not successfully] uninstalled the app because it remains in AppData\Local\Apps\2.0.The problem is that the app remains in AppData\Local\Apps\2.0 even though the app has been uninstalled.
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Jack J Jun 23,506 Reputation points Microsoft Vendor
2022-04-28T09:34:23.367+00:00 @Aceldama , thanks for the feedback, after again checking, I reproduced your problem. Then I want to know why you need to uninstall the app when the app is running. Based on my test, if you close the app and uninstall the app, it will not occur the problem.
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Aceldama 1 Reputation point
2022-04-29T02:18:20.86+00:00 Developers are familiar with this issue and will exit and uninstall the program.
However, users are different.
The user is not familiar with this part, so I think he can uninstall the program even with the program on.Therefore, developers should deliberately program the following processes:
- Attempt to uninstall from the control panel.
- Exit the program.
- Actually uninstall the program.
If you still don't understand my intentions, please feel free to ask me any questions.
Thank you. -
Jack J Jun 23,506 Reputation points Microsoft Vendor
2022-05-04T07:41:02.877+00:00 @Aceldama , Sorry for the late response, based on my reseach, I find that Currently there is no such events like appinstalled event in clickonce. I suggest that you could request a feature about Clikonce in Developer Community.
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Aceldama 1 Reputation point
2022-05-06T01:04:48.537+00:00 Thank you.
Let me ask you one more question.I think we can solve this as follows:
- Attempt to uninstall from the control panel.
- Run a custom uninstaller.
WPF-built projects for this solution are located at the following link.
How can I apply this approach to Winform? -
Aceldama 1 Reputation point
2022-05-17T07:59:16.397+00:00 @Jack J Jun
Maybe the call didn't work because I didn't send the @Dieter . I'm sorry.
So, is there a solution to the matter I contacted on May 4th?
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