private void BtnSeeInput_Click(object sender, EventArgs e) { if (this.pictureBox2.Image != null) { using (var bitmap = new Bitmap(this.pictureBox2.Image)) { var text = new RecognizeLogic().GetStringFromImage(bitmap); var result = string.Equals(inputText?.Trim(), text?.Trim(), StringComparison.InvariantCultureIgnoreCase) ? "成功" : "失败"; var message = $"输入:{inputText},识别:{text}。 识别{result}\r\n"; this.txtInputResult.AppendText(message); this.txtInputResult.ScrollToCaret(); } } }