In the browser settings, select "Open Browser Settings" and then, finding the "Advanced" button, go to the "System" section. Click on the button "Open proxy server settings for computer" and in the section "Manual proxy settings" move the slider to the position "On". Now enter in the appropriate fields the IP address, proxy, port and click "Save".

To find an element by its HTML code in Selenium, you can use the ExecuteScript method to execute JavaScript code that returns the element corresponding to the provided HTML code. Here's an example of how to do this using C#:

Install the required NuGet packages:

Install-Package OpenQA.Selenium.Chrome.WebDriver -Version 3.141.0
Install-Package OpenQA.Selenium.Support.UI -Version 3.141.0

Create a method to find an element by its HTML code:

using OpenQA.Selenium;
using OpenQA.Selenium.Support.UI;
using System;
using System.Text.RegularExpressions;

public static IWebElement FindElementByHtml(this IWebDriver driver, string htmlCode)
{
    // Execute JavaScript to create a new element with the provided HTML code
    var script = $@"var div = document.createElement('div'); div.innerHTML = arguments[0]; document.body.appendChild(div); return div.children[0];";
    var element = (IWebElement)driver.ExecuteScript(script, htmlCode);

    // Remove the created element from the DOM
    driver.ExecuteScript("document.body.removeChild(document.body.children[document.body.children.length - 1]);");

    return element;
}

Use the FindElementByHtml method in your test code:

using OpenQA.Selenium;
using System;

namespace SeleniumFindElementByHtmlExample
{
    class Program
    {
        static void Main(string[] args)
        {
            // Set up the WebDriver
            IWebDriver driver = new ChromeDriver();
            driver.Manage().Window.Maximize();

            // Navigate to the target web page
            driver.Navigate().GoToUrl("https://www.example.com");

            // Find an element by its HTML code
            IWebElement element = driver.FindElementByHtml(@"
                

                    
Example Heading
                    
Example paragraph text.
                
");

            // Perform any additional actions as needed

            // Close the browser
            driver.Quit();
        }
    }
}

In this example, we first create a method called FindElementByHtml that takes an IWebDriver instance and a string containing the HTML code as input. Inside the method, we use the ExecuteScript method to execute JavaScript code that creates a new element with the provided HTML code, appends it to the document body, and returns the created element.

We then remove the created element from the DOM using another ExecuteScript call. The method returns the created element as an IWebElement.

In the test code, we set up the WebDriver, navigate to the target web page, and use the FindElementByHtml method to find an element by its HTML code. After finding the element, you can perform any additional actions as needed.

Remember to replace the HTML code in the FindElementByHtml method call with the actual HTML code you want to use.

Proxy service settings refer to the configuration and settings related to the use of a proxy server. A proxy server is an intermediary server that sits between a client and a destination server, acting as an intermediary to request and deliver content on behalf of the client. The main purpose of a proxy server is to improve performance, enhance security, or bypass restrictions on accessing certain content.

Proxy service settings include the following components:

1. Proxy server address: The IP address or domain name of the proxy server that the client will use to route requests and receive responses.

2. Proxy server port: The port number on which the proxy server is listening for incoming connections.

3. Protocol: The communication protocol used by the proxy server, such as HTTP, HTTPS, or SOCKS.

4. Authentication: The credentials required to access the proxy server, including username and password, if the proxy server requires authentication.

5. Connection timeout: The maximum amount of time, in seconds, that the client will wait for a response from the proxy server before timing out and attempting to reconnect.

6. Socks version: The version of the SOCKS protocol used by the proxy server, such as SOCKS4 or SOCKS5.

7. Proxy type: The type of proxy server, such as HTTP, HTTPS, or SOCKS, that the client will use to route requests and receive responses.

8. Bypass list: A list of domains or IP addresses that the client will bypass the proxy server for, allowing direct access to those resources.

9. Connection encryption: The method used to encrypt the data transmitted between the client and the proxy server, such as SSL or TLS.

10. User-agent: The user-agent string that the client will use to identify itself to the proxy server and destination server.

Open the "Settings" application via "Start" and go to "Network and Internet". Here, in the "Proxy" section, find the "Manual Proxy Configuration" column. Move the slider to "On" and carefully enter the IP address and port of the proxy, then click "Save".

You need to go to "Settings", click on "WiFi", select the current network to which the smartphone is connected, tap on "Proxy settings". And then - deactivate the item.