Protect you application from changes from a third party application [closed]

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I was made this question on an interview today: You want to make an application that relies on a third-party application but you want to shield it so that changes from the third-party application don't break your application.

What I say was that I would create a proxy application so that I can develop my application and if ever a new release of the third-party breaks the application, then I would change the proxy.

Is that a real solution? Is there any other approaches?

Thanks.

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I would say that you can't be absolutely certain that future changes don't break your software. This is why .NET has the attribute Obsolete: to provide backward compatibility while giving you a version or two to change your code to keep up.

The only real fix I can imagine is actually packaging the third-party app with your software. This way, the version won't change until you're ready for a new release.