private async void RefreshCaptcha()
{
await DialogHost.Show(new BusyProgressView(), async (object s, DialogOpenedEventArgs e) =>
{
var captchaResult = await _loginController.GetCaptcha();
if (captchaResult.ResultStatus == ResultType.ConnectionProblem)
{
Error = "خطا در اتصال";
}
else
{
BitmapImage bitmap = null;
try
{
using (WebClient webClient = new WebClient())
{
var response = await webClient.DownloadDataTaskAsync(new Uri(captchaResult.Content));
using (var stream = new MemoryStream(response))
{
bitmap = new BitmapImage();
bitmap.BeginInit();
bitmap.CacheOption = BitmapCacheOption.OnLoad;
bitmap.StreamSource = stream;
bitmap.EndInit();
bitmap.Freeze();
CaptchaImage = bitmap;
}
}
}
catch (Exception)
{
Error = "خطا در اتصال";
}
}
e.Session.Close();
});
}
