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I have a json file in one of the folder of source code which was being fetched using GetFileFromApplicationUriAsync function of StorageFile class of C#. This code was working until latest security patch was installed (03 March 2019).

Below is the piece of code :

string location = "link to the folder"
StorageFile file = await StorageFile.GetFileFromApplicationUriAsync(new Uri(location));

After latest security patch update the above code stopped working resulting in

Value does not fall within the expected range

Could anyone please let me know the reason for this exception? Has implementation changed after update?

Gonzo345
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Naveed Qureshi
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  • Have you tried this? var openPicker = new FileOpenPicker(); StorageFile file = await openPicker.PickSingleFileAsync(); – nordin Mar 14 '19 at 12:37
  • Nordin, the above code was working file till the latest update. Your suggestion threw an exception – Naveed Qureshi Mar 14 '19 at 12:43
  • oke if it's a json file, you should look at https://social.msdn.microsoft.com/Forums/en-US/525ff8f2-13f5-4602-bce3-78b909cadedb/how-to-read-and-write-a-json-file-in-c?forum=csharpgeneral hope this helps – nordin Mar 14 '19 at 12:49
  • Nordin, I am not using serializing and deserializing, it was working fine before the security patch. – Naveed Qureshi Mar 14 '19 at 15:25

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