void BtnFaceMatch_Click(object sender, EventArgs e) { var imagePaths = GetImageFiles(10); if (imagePaths == null) { return; } picBoxImage.Image = Image.FromFile(imagePaths[0]); var result = _faceService.FaceMatch(imagePaths, txtGroupId.Text); txtLog1.Text = JsonConvert.SerializeObject(result); AppendLogWarning(txtLog1.Text); }