.OpenStreamForReadAsync is blocking

Hi,

You can use block to close the stream as soon as we are done with it so the file is not blocked any more, try some

codes below:

 private static async Task<T> Read<T>(string groupName, string templateNamet, string fileName)
         {
             try
             {
                 var _folder = Windows.Storage.ApplicationData.Current.LocalFolder;
                 var _collisionOption = Windows.Storage.CreationCollisionOption.OpenIfExists;
                 var rootFolder = await _folder.CreateFolderAsync(_rootFolder, _collisionOption);
                 var groupFolder = await rootFolder.CreateFolderAsync(groupName, _collisionOption);
                 var templateFolder = await rootFolder.CreateFolderAsync(templateNamet, _collisionOption);
                 //var fileToRead = await templateFolder.OpenStreamForReadAsync(fileName);
                 MemoryStream stream=new MemoryStream();
                 XmlSerializer serializer = new XmlSerializer(typeof(T));
                  var readerSettings = new XmlReaderSettings();
                   System.Xml.XmlReader reader;
                  using(var fileToRead = await templateFolder.OpenStreamForReadAsync(fileName))
                  {
                      await fileToRead.CopyToAsync( stream);
                      reader= System.Xml.XmlReader.Create(stream, readerSettings);
                  }
                 return (T)serializer.Deserialize(reader);
                
             }
             catch (Exception ex)
             {
                 throw ex;
             }
    }

Best Wishes!

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