How to check if file exists in a Windows Store App?

According to the accepted answer in this post, there is no other way at the moment. However, the File IO team is considering changing the the api so that it returns null instead of throwing an exception.

Quote from the linked post:

Currently the only way to check if a file exists is to catch the
FileNotFoundException. As has been pointed out having an explicit
check and the opening is a race condition and as such I don’t expect
there to be any file exists API’s added. I believe the File IO team
(I’m not on that team so I don’t know for sure but this is what I’ve
heard) is considering having this API return null instead of throwing
if the file doesn’t exist.

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