private void button16_Click(object sender, EventArgs e) { string fileName = Application.StartupPath + "\\" + textSubsystemBMP.Text; Bitmap bmp = new Bitmap(fileName); IntPtr hBmp = bmp.GetHbitmap(); byte[] data = new byte[1024]; if (!ANNWrapper.RecognitionBlackText(hBmp, int.Parse(textLeft.Text), int.Parse(textTop.Text), int.Parse(textRight.Text), int.Parse(textBottom.Text), int.Parse(textInputInt.Text), Application.StartupPath + "\\" + textInputTIF.Text, data)) { MessageBox.Show("Recognition Black File Failed"); } else { string text = System.Text.Encoding.GetEncoding("GB2312").GetString(data, 0, data.Length); text = text.Substring(0, text.IndexOf("\0")); textOCRContent.Text = text; } DeleteObject(hBmp); }