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Override Close Box on Windows 10 Universal Apps UWP

Tags:

c++

windows-10

uwp

universal

I'm trying to prevent the app from being closed by clicking the Close box on the App Window. For example, having a text editor with unsaved changes, upon pressing Close Box, I would first display, "Do you want to save changes before exiting?"

How can I detect app wanting to close and prevent that from happening?

I'm using C++, and this needs to be for Windows 10 Universal Apps UWP. I already know how to do this for Win32.

like image 278
Esenthel Avatar asked Nov 13 '15 03:11

Esenthel

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1 Answers

The comments are correct. There is currently no way for a regular Store app to do this.

However, with the Creators Update (and corresponding SDK) we have included a preview API that you can now check out for this functionality:

The Windows.UI.Core.Preview.SystemNavigationManagerPreview class provides a CloseRequested event that an app can mark as handled. For the event to work the app will need to declare the restricted 'confirmAppClose' capability per: https://docs.microsoft.com/en-us/windows/uwp/packaging/app-capability-declarations

Please let us know your feedback.

Thanks, Stefan Wick - Windows Developer Platform

like image 156
Stefan Wick MSFT Avatar answered Oct 03 '22 23:10

Stefan Wick MSFT
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