Selenium C#。在新窗口中打开文件后，如何下载文件？

ChromeOptions options = new ChromeOptions();
options.AddUserProfilePreference("download.default_directory", "C:\\Downloads");

using OpenQA.Selenium;
using OpenQA.Selenium.Chrome;
using OpenQA.Selenium.Support.UI;
using System;

class Program
{
    static void Main(string[] args)
    {
        ChromeOptions options = new ChromeOptions();
        options.AddUserProfilePreference("download.default_directory", "C:\\Downloads");

        IWebDriver driver = new ChromeDriver(options);
        WebDriverWait wait = new WebDriverWait(driver, TimeSpan.FromSeconds(10));

        // 导航到包含要下载文件的页面
        driver.Navigate().GoToUrl("https://example.com");

        // 定位并点击下载链接或按钮
        IWebElement downloadLink = driver.FindElement(By.XPath("//a[@id='download-link']"));
        downloadLink.Click();

        // 等待文件下载完成
        wait.Until(driver => IsFileDownloaded("C:\\Downloads\\file.txt"));

        // 验证文件是否成功下载
        if (IsFileDownloaded("C:\\Downloads\\file.txt"))
        {
            Console.WriteLine("文件下载成功！");
        }
        else
        {
            Console.WriteLine("文件下载失败！");
        }

        driver.Quit();
    }

    static bool IsFileDownloaded(string filePath)
    {
        return System.IO.File.Exists(filePath);
    }
}