AwaitSample2.MainWindow.Button_Click_1 C# (CSharp) Méthode

        private async void Button_Click_1(object sender, RoutedEventArgs e) {

            try {

                using (Stream stream = await GetWebPageAsync())
                using (var fileStream = new FileStream(@"c:\apps\msg.bin", FileMode.Create)) { 
                    await stream.CopyToAsync(fileStream);
                    StatusLabel.Content = "Done...";
                }
            }
            catch (Exception ex) {

                StatusLabel.Content = string.Format(
                    "An exception occured: {0}{1}Stack Trace:{1}{2}", 
                    ex.Message, 
                    Environment.NewLine, 
                    ex.StackTrace
                );
                StatusLabel.Foreground = Brushes.Red;
            }
        }