string APP_ID = "XXXXXXXXX";
string API_KEY = "XXXXXXXXXXXXXXXXX";
string SECRET_KEY = "XXXXXXXXXXXXXXXXXXXXXXXX";
var client = new Baidu.Aip.Ocr.Ocr(API_KEY, SECRET_KEY);
//api = new APIInteraction();
//client = api.GetClient();
try
{
//Ocr client = new Baidu.Aip.Ocr.Ocr(API_KEY, SECRET_KEY);
var image = File.ReadAllBytes(this.textBox1.Text);
// 调用通用文字识别, 图片参数为本地图片，可能会抛出网络等异常，请使用try/catch捕获
var result = client.GeneralBasic(image);

遠端伺服器傳回一個錯誤: (407) 必須 Proxy 驗證。