private async void TestServer_Click(object sender, RoutedEventArgs e) { try { //Debug.WriteLine(await ClintServerMethods.SendDataAndRecieveAnswer("localhost", 1337, "TEST REQUEST")); await ServerInterface.UploadFile(await StorageInterface.GetStorageFileFromToken(await StorageInterface.PickExternalStorageFile_OpenFile()), "/CODE/IMG.png");// "C:\\Users\\alder\\Desktop\\IMG.png", "localhost"); //ServerInterface.ReadFile("invalidTestFile");//if reading a non-existent file I get 0x15 (NAK) in flags[1] } catch (Exception ex) { ex.PrintStackTrace(); } }