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A proxy is a service that allows access to websites blocked in different countries, while hiding your own IP address. It is a kind of intermediary between the end server and the owner's computer. A VPN provides an encrypted connection to the network, which not only allows you to keep your privacy, hide your IP address, encrypt Internet traffic, but also bypasses firewalls.
In the settings bar (home screen), select "Network Settings" and then click on Ethernet. Here you should select the "Advanced Settings" option, which contains the "Proxy Server Settings" item. To further configure the proxy, select "Configure Manually", type in the proxy hostname and specify the port. Do not forget to list the domains that the proxy server should not use. You should leave this field empty if it does not exist. If the configuration process is successful, you will see the "Settings saved" notification.
CefSharp is a .NET wrapper for the Chromium Embedded Framework (CEF) that allows you to embed a Chromium browser in your .NET applications. While CefSharp doesn't have a direct replacement for Selenium functions, you can use its own methods to interact with the browser and perform similar actions.
To find elements using XPath in CefSharp, you can use the GetElementById(), GetElementsByClassName(), GetElementsByTagName(), and GetElementsByAttribute() methods provided by the CEFBrowser and CefV8Handler classes.
Here's an example of how you can find elements using XPath in CefSharp:
First, install the CefSharp NuGet package in your project:
Install-Package CefSharp.Minimal
Use the following code to create a CefSharp browser and load a webpage:
using CefSharp.WinForms;
using System;
using System.Drawing;
using System.Windows.Forms;
namespace CefSharpExample
{
public class Program
{
[STAThread]
public static void Main(string[] args)
{
CefSettings settings = new CefSettings();
settings.BrowserSubprocessPath = "path/to/cef/browser_win32_x64.exe";
settings.CefCommandLineArgs.Add("--disable-gpu");
settings.CefCommandLineArgs.Add("--headless");
Cef.Initialize(settings);
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
using (Form mainForm = new Form())
{
ChromiumWebBrowser browser = new ChromiumWebBrowser("https://www.example.com");
mainForm.Controls.Add(browser);
mainForm.Show();
// Wait for the browser to initialize
Application.DoEvents();
// Load the JavaScript needed to interact with the browser
browser.EvaluateScriptAsync("document.body.style.behavior = 'url(#default#homepage)'; document.body.style.expression = 'ieUseLinkHover=true';");
// Wait for the page to load
Application.DoEvents();
// Add event handlers for navigation, loading, and error events
browser.LoadingStateChanged += (sender, args) => { };
browser.NavigationStateChanged += (sender, args) => { };
browser.ErrorOccurred += (sender, args) => { };
// Perform actions on the webpage using the browser object
// ...
// Close the browser when done
browser.Dispose();
}
Cef.Shutdown();
}
}
}
To find elements using XPath, you can use the CefV8Handler class to execute JavaScript code that locates elements based on the XPath expression. Here's an example of how to find elements using XPath:
using System;
using CefSharp.WinForms;
namespace CefSharpXPathExample
{
public class Program
{
[STAThread]
public static void Main(string[] args)
{
CefSettings settings = new CefSettings();
settings.BrowserSubprocessPath = "path/to/cef/browser_win32_x64.exe";
settings.CefCommandLineArgs.Add("--disable-gpu");
settings.CefCommandLineArgs.Add("--headless");
Cef.Initialize(settings);
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
using (Form mainForm = new Form())
{
ChromiumWebBrowser browser = new ChromiumWebBrowser("https://www.example.com");
mainForm.Controls.Add(browser);
mainForm.Show();
// Wait for the browser to initialize
Application.DoEvents();
// Load the JavaScript needed to interact with the browser
browser.EvaluateScriptAsync("document.body.style.behavior = 'url(#default#homepage)'; document.body.style.expression = 'ieUseLinkHover=true';");
// Wait for the page to load
Application.DoEvents();
// Execute JavaScript code to find elements using XPath
browser.ExecuteScriptAsync("var xpath = arguments[0];" +
"var result = document.evaluate(xpath, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null);" +
"return result.singleNodeValue;", "//*[@id='element-id']");
// Perform actions on the webpage using the browser object
// ...
// Close the browser when done
browser.Dispose();
}
Cef.Shutdown();
}
}
}
In this example, we use the ExecuteScriptAsync() method to execute JavaScript code that finds elements using the provided XPath expression. The JavaScript code uses the document.evaluate() method to find the first matched node based on the provided XPath expression.
Keep in mind that the CefSharp library is actively maintained and provides a wide range of features for interacting with the browser. You can find more information and examples in the CefSharp GitHub repository.
The easiest way is to try to open any site or application that requires an Internet connection. If the data download goes well, then the VPN is working properly. If there is a "No connection" error, then the VPN is not working properly for some reason.
A proxy server passes all traffic through itself, acting as an intermediary between the user and the remote server. It is most often used to conceal the real IP, to conditionally change the user's location, or to analyze traffic (for example, when testing web applications).
What else…