How to use OnDetachedFromTarget method of PuppeteerSharp.Page class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Page.OnDetachedFromTarget

Page.cs

Source:Page.cs

...1600                case "Target.attachedToTarget":1601                    await OnAttachedToTarget(e).ConfigureAwait(false);1602                    break;1603                case "Target.detachedFromTarget":1604                    OnDetachedFromTarget(e);1605                    break;1606                case "Log.entryAdded":1607                    OnLogEntryAdded(e.MessageData.ToObject<LogEntryAddedResponse>());1608                    break;1609                case "Runtime.bindingCalled":1610                    await OnBindingCalled(e.MessageData.ToObject<BindingCalledResponse>()).ConfigureAwait(false);1611                    break;1612            }1613        }1614        private async Task OnBindingCalled(BindingCalledResponse e)1615        {1616            var result = await ExecuteBinding(e).ConfigureAwait(false);1617            var expression = EvaluationString(1618                @"function deliverResult(name, seq, result) {1619                    window[name]['callbacks'].get(seq)(result);1620                    window[name]['callbacks'].delete(seq);1621                }", e.Payload.Name, e.Payload.Seq, result);1622            Client.Send("Runtime.evaluate", new1623            {1624                expression,1625                contextId = e.ExecutionContextId1626            });1627        }1628        private async Task<object> ExecuteBinding(BindingCalledResponse e)1629        {1630            object result;1631            var binding = _pageBindings[e.Payload.Name];1632            var methodParams = binding.Method.GetParameters().Select(parameter => parameter.ParameterType).ToArray();1633            var args = e.Payload.JsonObject.GetValue(MessageKeys.Args).Select((token, i) => token.ToObject(methodParams[i])).ToArray();1634            result = binding.DynamicInvoke(args);1635            if (result is Task taskResult)1636            {1637                await taskResult.ConfigureAwait(false);1638                if (taskResult.GetType().IsGenericType)1639                {1640                    // the task is already awaited and therefore the call to property Result will not deadlock1641                    result = ((dynamic)taskResult).Result;1642                }1643            }1644            return result;1645        }1646        private void OnDetachedFromTarget(MessageEventArgs e)1647        {1648            var sessionId = e.MessageData.SelectToken(MessageKeys.SessionId).AsString();1649            if (_workers.TryGetValue(sessionId, out var worker))1650            {1651                WorkerDestroyed?.Invoke(this, new WorkerEventArgs(worker));1652                _workers.Remove(sessionId);1653            }1654        }1655        private async Task OnAttachedToTarget(MessageEventArgs e)1656        {1657            var targetInfo = e.MessageData.SelectToken(MessageKeys.TargetInfo).ToObject<TargetInfo>();1658            var sessionId = e.MessageData.SelectToken(MessageKeys.SessionId).ToObject<string>();1659            if (targetInfo.Type != TargetType.Worker)1660            {...

OnDetachedFromTarget

Using AI Code Generation

1var browserFetcher = new BrowserFetcher();2await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);3var browser = await Puppeteer.LaunchAsync(new LaunchOptions4{5    Args = new string[] { "--no-sandbox" }6});7var page = await browser.NewPageAsync();8await page.SetViewportAsync(new ViewPortOptions { Width = 1366, Height = 768 });9await page.ClickAsync("input[name='q']");10await page.Keyboard.TypeAsync("Puppeteer");11await page.Keyboard.PressAsync("Enter");12await page.WaitForNavigationAsync();13await page.ScreenshotAsync("5.png");14await page.CloseAsync();15await browser.CloseAsync();16var browserFetcher = new BrowserFetcher();17await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);18var browser = await Puppeteer.LaunchAsync(new LaunchOptions19{20    Args = new string[] { "--no-sandbox" }21});22var page = await browser.NewPageAsync();23await page.SetViewportAsync(new ViewPortOptions { Width = 1366, Height = 768 });24await page.ClickAsync("input[name='q']");25await page.Keyboard.TypeAsync("Puppeteer");26await page.Keyboard.PressAsync("Enter");27await page.WaitForNavigationAsync();28await page.ScreenshotAsync("5.png");29await page.CloseAsync();30await browser.CloseAsync();31var browserFetcher = new BrowserFetcher();32await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);33var browser = await Puppeteer.LaunchAsync(new LaunchOptions34{35    Args = new string[] { "--no-sandbox" }36});37var page = await browser.NewPageAsync();38await page.SetViewportAsync(new ViewPortOptions { Width = 1366, Height = 768 });39await page.ClickAsync("input[name='q']");40await page.Keyboard.TypeAsync("Puppeteer");41await page.Keyboard.PressAsync("Enter");42await page.WaitForNavigationAsync();43await page.ScreenshotAsync("5.png");44await page.CloseAsync();45await browser.CloseAsync();

OnDetachedFromTarget

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static void Main(string[] args)7        {8            MainAsync().Wait();9        }10        static async Task MainAsync()11        {12            var browser = await Puppeteer.LaunchAsync(new LaunchOptions13            {14                DefaultViewport = new ViewPortOptions { Width = 1920, Height = 1080 },15                Args = new string[] { "--start-maximized" }16            });17            var page = await browser.NewPageAsync();18            page.TargetChanged += Page_TargetChanged;19            page.TargetCreated += Page_TargetCreated;20            page.TargetDestroyed += Page_TargetDestroyed;21            Console.WriteLine("Press Enter to close the browser");22            Console.ReadLine();23            await browser.CloseAsync();24        }25        private static void Page_TargetDestroyed(object sender, TargetChangedArgs e)26        {27            Console.WriteLine("Target Destroyed");28        }29        private static void Page_TargetCreated(object sender, TargetChangedArgs e)30        {31            Console.WriteLine("Target Created");32        }33        private static void Page_TargetChanged(object sender, TargetChangedArgs e)34        {35            Console.WriteLine("Target Changed");36        }37    }38}

OnDetachedFromTarget

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static void Main(string[] args)7        {8            MainAsync().GetAwaiter().GetResult();9        }10        static async Task MainAsync()11        {12            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);13            using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false }))14            using (var page = await browser.NewPageAsync())15            {16                page.Console += async (sender, e) => Console.WriteLine(e.Message.Text);17                page.Request += async (sender, e) => Console.WriteLine(e.Request.Url);18                page.Response += async (sender, e) => Console.WriteLine(e.Response.Status);19                page.RequestFailed += async (sender, e) => Console.WriteLine(e.Request.Url);20                page.RequestFinished += async (sender, e) => Console.WriteLine(e.Request.Url);21                page.TargetCreated += async (sender, e) => Console.WriteLine(e.Target.Url);22                page.TargetDestroyed += async (sender, e) => Console.WriteLine(e.Target.Url);23                page.TargetChanged += async (sender, e) => Console.WriteLine(e.Target.Url);24                await page.WaitForTimeoutAsync(5000);25                await page.CloseAsync();26            }27        }28    }29}

OnDetachedFromTarget

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static void Main(string[] args)7        {8            MainAsync().Wait();9        }10        static async Task MainAsync()11        {12            {13                Args = new string[] { "--no-sandbox" }14            };15            using (var browser = await Puppeteer.LaunchAsync(options))16            {17                var page = await browser.NewPageAsync();18                await page.WaitForSelectorAsync("input[name='q']");19                await page.TypeAsync("input[name='q']", "PuppeteerSharp");20                await page.ClickAsync("input[name='btnK']");21                await page.WaitForNavigationAsync();22                await page.ScreenshotAsync("google.png");23            }24        }25    }26}

OnDetachedFromTarget

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9            using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions10            {11            }))12            using (var page = await browser.NewPageAsync())13            {14                page.OnDetachedFromTarget += (sender, e) => Console.WriteLine("Page Detached");15            }16        }17    }18}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.