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What rules govern the Windows 8 store app? Are they persistent between versions / renames?

Here is the MSDN page for CurrentApp.appId.

In a typical application, the property is returned in the format 00000000-0000-0000-0000-000000000000 , and this is the number if you use an application that is not in the Windows storage.

Once in the Windows repository it gets a real number, and my question is: Is there anything that can lead to a change in the appId? Perhaps, as the versions of the application are updated, or the application is renamed?

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The AppId will not change unless you uninstall the existing application and publish it.

I have no source for this, but this is the same process with the Windows Phone Marketplace / Store. The identifier is used in many places.

  • Direct link (URL) for your application
  • Used in the Store app to determine which apps have an update.
  • Used by Visual Studio when creating / unloading packages
  • ...

Changing a globally unique identifier completely contradicts the GUID. If that changes, many things will break. The identifier does not change when the application is updated, it remains the same.

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Source: https://habr.com/ru/post/1446024/

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