https://learn.microsoft.com/es-es/dotnet/api/system.io.isolatedstorage.isolatedstoragefile.getfilenames?view=netframework-4.8.1&viewFallbackFrom=net-10.0
IsolatedStorageFile.GetFileNames Method (System.IO.IsolatedStorage) | Microsoft Learn
Enumerates the file names at the root of an isolated store.
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