public async Task<string> GetFileContentAsyn(FileItem fileItem)
        {
            var folder = KnownFolders.DocumentsLibrary;
            
            var storageFile = await folder.GetFileAsync(fileItem.Code);

            return await FileIO.ReadTextAsync(storageFile);
        }
 private async void SetFileContent(FileItem storageFile)
 {
     FileContent = await fileService.GetFileContentAsyn(storageFile);
 }
 public async Task<string> GetFileContentAsync(FileItem fileItem)
 {
     var storageFile = await storageFolder.GetFileAsync(fileItem.Code);
     return await FileIO.ReadTextAsync(storageFile);
 }
 private async void SetFileContent(FileItem storageFile)
 {
     FileContent = await fileRepository.GetFileContentAsync(storageFile);
 }