/// <summary> /// 以URL的形式打开图片 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private async void MainImage_ImageOpened(object sender, RoutedEventArgs e) { size_image = new Size((MainImage.Source as BitmapImage).PixelWidth, (MainImage.Source as BitmapImage).PixelHeight); faces = await cognitiveService.GetFacesFromUri(imageLocation.Text); emotions = await cognitiveService.GetEmotionsFromUri(imageLocation.Text); if (faces != null) { DisplayFaces(faces); } if (emotions != null) { DisplayEmotions(emotions); } LoadingRing.IsActive = false; }