从硒webdriver的当前窗口GUID获取窗口句柄（IntPtr的） [英] Get Window handle (IntPtr) from Selenium webdriver's current window GUID

问题描述

我试图捕捉到整个浏览器屏幕的快照（例如使用任何工具栏，面板等），不仅整个页面，所以我得到这个code：

 使用（FirefoxDriver驱动程序=新FirefoxDriver（））
{
    。driver.Navigate（）GoToUrl（URL）;

    抓屏SC =新的抓屏（）;

    //我如何才能找到窗口的自然IntPtr的手柄位置，使用GUID类标识符由driver.currentWindowHandle回来？
    图片IMG = sc.CaptureWindow（...）;
    MemoryStream的毫秒=新的MemoryStream（）;
    img.Save（MS，ImageFormat.Jpeg）;
    返回新FileStreamResult（MS，为image / jpeg）;
}
 

解决方案

只是和想法破解。你可以使用反射的方法来获取Firefox实例的过程。首先声明从FirefoxDriver继承FirefoxDriverEx类 - 访问受保护的二元属性，它封装流程实例：

 类FirefoxDriverEx：FirefoxDriver {
        公开程序GetFirefoxProcess（）{
            VAR网络= typeof运算（FirefoxBinary）.GetField（过程，BindingFlags.NonPublic可| BindingFlags.Instance）;
            返回fi.GetValue（this.Binary）的过程;
        }
    }
 

可能比你得到的流程实例访问MainWindowHandle财产

 使用（VAR驱动程序=新FirefoxDriverEx（））{
            。driver.Navigate（）GoToUrl（URL）;

            VAR方法= driver.GetFirefoxProcess（）;
            如果（处理！= NULL）{
                VAR抓屏=新的抓屏（）;
                VAR图像= screenCapture.CaptureWindow（process.MainWindowHandle）;
                // ...
            }
        }
 

I'm trying to capture a screenshot of whole browser screen (e.g. with any toolbars, panels and so on) not only an entire page, so I'm got this code:

using (FirefoxDriver driver = new FirefoxDriver())
{ 
    driver.Navigate().GoToUrl(url);                

    ScreenCapture sc = new ScreenCapture();

    // How can I find natural IntPtr handle of window here, using GUID-like identifier returning by driver.currentWindowHandle?
    Image img = sc.CaptureWindow(...);
    MemoryStream ms = new MemoryStream();
    img.Save(ms, ImageFormat.Jpeg);
    return new FileStreamResult(ms, "image/jpeg");
}

解决方案

Just and idea for hack. You may use Reflection methods to get process of firefox instance. First declare FirefoxDriverEx class inherited from FirefoxDriver - to access protected Binary property which encapsulates Process instance:

 class FirefoxDriverEx : FirefoxDriver {
        public Process GetFirefoxProcess() {
            var fi = typeof(FirefoxBinary).GetField("process", BindingFlags.NonPublic | BindingFlags.Instance);
            return fi.GetValue(this.Binary) as Process;
        }
    }

Than you may get process instance for access to MainWindowHandle property

using (var driver = new FirefoxDriverEx()) {
            driver.Navigate().GoToUrl(url);

            var process = driver.GetFirefoxProcess();
            if (process != null) {
                var screenCapture = new ScreenCapture();
                var image = screenCapture.CaptureWindow(process.MainWindowHandle);
                // ...
            }
        }

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