Best Puppeteer-sharp code snippet using PuppeteerSharp.FrameManager.OnFrameAttached
FrameManager.cs
Source:FrameManager.cs  
...131            {132                switch (e.MessageID)133                {134                    case "Page.frameAttached":135                        OnFrameAttached(e.MessageData.ToObject<PageFrameAttachedResponse>());136                        break;137                    case "Page.frameNavigated":138                        await OnFrameNavigatedAsync(e.MessageData.ToObject<PageFrameNavigatedResponse>(true).Frame).ConfigureAwait(false);139                        break;140                    case "Page.navigatedWithinDocument":141                        OnFrameNavigatedWithinDocument(e.MessageData.ToObject<NavigatedWithinDocumentResponse>(true));142                        break;143                    case "Page.frameDetached":144                        OnFrameDetached(e.MessageData.ToObject<BasicFrameResponse>(true));145                        break;146                    case "Page.frameStoppedLoading":147                        OnFrameStoppedLoading(e.MessageData.ToObject<BasicFrameResponse>(true));148                        break;149                    case "Runtime.executionContextCreated":150                        await OnExecutionContextCreatedAsync(e.MessageData.ToObject<RuntimeExecutionContextCreatedResponse>(true).Context).ConfigureAwait(false);151                        break;152                    case "Runtime.executionContextDestroyed":153                        OnExecutionContextDestroyed(e.MessageData.ToObject<RuntimeExecutionContextDestroyedResponse>(true).ExecutionContextId);154                        break;155                    case "Runtime.executionContextsCleared":156                        OnExecutionContextsCleared();157                        break;158                    case "Page.lifecycleEvent":159                        OnLifeCycleEvent(e.MessageData.ToObject<LifecycleEventResponse>(true));160                        break;161                    default:162                        break;163                }164            }165            catch (Exception ex)166            {167                var message = $"Connection failed to process {e.MessageID}. {ex.Message}. {ex.StackTrace}";168                Client.Close(message);169            }170        }171        private void OnFrameStoppedLoading(BasicFrameResponse e)172        {173            if (_frames.TryGetValue(e.FrameId, out var frame))174            {175                frame.OnLoadingStopped();176                LifecycleEvent?.Invoke(this, new FrameEventArgs(frame));177            }178        }179        private void OnLifeCycleEvent(LifecycleEventResponse e)180        {181            if (_frames.TryGetValue(e.FrameId, out var frame))182            {183                frame.OnLifecycleEvent(e.LoaderId, e.Name);184                LifecycleEvent?.Invoke(this, new FrameEventArgs(frame));185            }186        }187        private void OnExecutionContextsCleared()188        {189            while (_contextIdToContext.Count > 0)190            {191                var contextItem = _contextIdToContext.ElementAt(0);192                _contextIdToContext.Remove(contextItem.Key);193                if (contextItem.Value.World != null)194                {195                    contextItem.Value.World.SetContext(null);196                }197            }198        }199        private void OnExecutionContextDestroyed(int executionContextId)200        {201            _contextIdToContext.TryGetValue(executionContextId, out var context);202            if (context != null)203            {204                _contextIdToContext.Remove(executionContextId);205                if (context.World != null)206                {207                    context.World.SetContext(null);208                }209            }210        }211        private async Task OnExecutionContextCreatedAsync(ContextPayload contextPayload)212        {213            var frameId = contextPayload.AuxData?.FrameId;214            var frame = !string.IsNullOrEmpty(frameId) ? await GetFrameAsync(frameId).ConfigureAwait(false) : null;215            DOMWorld world = null;216            if (frame != null)217            {218                if (contextPayload.AuxData?.IsDefault == true)219                {220                    world = frame.MainWorld;221                }222                else if (contextPayload.Name == UtilityWorldName && !frame.SecondaryWorld.HasContext)223                {224                    // In case of multiple sessions to the same target, there's a race between225                    // connections so we might end up creating multiple isolated worlds.226                    // We can use either.227                    world = frame.SecondaryWorld;228                }229            }230            if (contextPayload.AuxData?.Type == DOMWorldType.Isolated)231            {232                _isolatedWorlds.Add(contextPayload.Name);233            }234            var context = new ExecutionContext(Client, contextPayload, world);235            if (world != null)236            {237                world.SetContext(context);238            }239            _contextIdToContext[contextPayload.Id] = context;240        }241        private void OnFrameDetached(BasicFrameResponse e)242        {243            if (_frames.TryGetValue(e.FrameId, out var frame))244            {245                RemoveFramesRecursively(frame);246            }247        }248        private async Task OnFrameNavigatedAsync(FramePayload framePayload)249        {250            var isMainFrame = string.IsNullOrEmpty(framePayload.ParentId);251            var frame = isMainFrame ? MainFrame : await GetFrameAsync(framePayload.Id).ConfigureAwait(false);252            Contract.Assert(isMainFrame || frame != null, "We either navigate top level or have old version of the navigated frame");253            // Detach all child frames first.254            if (frame != null)255            {256                while (frame.ChildFrames.Count > 0)257                {258                    RemoveFramesRecursively(frame.ChildFrames[0]);259                }260            }261            // Update or create main frame.262            if (isMainFrame)263            {264                if (frame != null)265                {266                    // Update frame id to retain frame identity on cross-process navigation.267                    if (frame.Id != null)268                    {269                        _frames.TryRemove(frame.Id, out _);270                    }271                    frame.Id = framePayload.Id;272                }273                else274                {275                    // Initial main frame navigation.276                    frame = new Frame(this, Client, null, framePayload.Id);277                }278                _asyncFrames.AddItem(framePayload.Id, frame);279                MainFrame = frame;280            }281            // Update frame payload.282            frame.Navigated(framePayload);283            FrameNavigated?.Invoke(this, new FrameEventArgs(frame));284        }285        internal Frame[] GetFrames() => _frames.Values.ToArray();286        private void OnFrameNavigatedWithinDocument(NavigatedWithinDocumentResponse e)287        {288            if (_frames.TryGetValue(e.FrameId, out var frame))289            {290                frame.NavigatedWithinDocument(e.Url);291                var eventArgs = new FrameEventArgs(frame);292                FrameNavigatedWithinDocument?.Invoke(this, eventArgs);293                FrameNavigated?.Invoke(this, eventArgs);294            }295        }296        private void RemoveFramesRecursively(Frame frame)297        {298            while (frame.ChildFrames.Count > 0)299            {300                RemoveFramesRecursively(frame.ChildFrames[0]);301            }302            frame.Detach();303            _frames.TryRemove(frame.Id, out _);304            FrameDetached?.Invoke(this, new FrameEventArgs(frame));305        }306        private void OnFrameAttached(PageFrameAttachedResponse frameAttached)307            => OnFrameAttached(frameAttached.FrameId, frameAttached.ParentFrameId);308        private void OnFrameAttached(string frameId, string parentFrameId)309        {310            if (!_frames.ContainsKey(frameId) && _frames.ContainsKey(parentFrameId))311            {312                var parentFrame = _frames[parentFrameId];313                var frame = new Frame(this, Client, parentFrame, frameId);314                _frames[frame.Id] = frame;315                FrameAttached?.Invoke(this, new FrameEventArgs(frame));316            }317        }318        private async Task HandleFrameTreeAsync(FrameTree frameTree)319        {320            if (!string.IsNullOrEmpty(frameTree.Frame.ParentId))321            {322                OnFrameAttached(frameTree.Frame.Id, frameTree.Frame.ParentId);323            }324            await OnFrameNavigatedAsync(frameTree.Frame).ConfigureAwait(false);325            if (frameTree.Childs != null)326            {327                foreach (var child in frameTree.Childs)328                {329                    await HandleFrameTreeAsync(child).ConfigureAwait(false);330                }331            }332        }333        private Task EnsureIsolatedWorldAsync() => EnsureIsolatedWorldAsync(UtilityWorldName);334        private async Task EnsureIsolatedWorldAsync(string name)335        {336            if (_isolatedWorlds.Contains(name))...OnFrameAttached
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            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });10            var page = await browser.NewPageAsync();11            page.FrameManager.OnFrameAttached += async (sender, e) => {12                Console.WriteLine("Frame Attached {0}", e.Frame.Url);13            };14            page.FrameManager.OnFrameNavigated += async (sender, e) => {15                Console.WriteLine("Frame Navigated {0}", e.Frame.Url);16            };17            page.FrameManager.OnFrameDetached += async (sender, e) => {18                Console.WriteLine("Frame Detached {0}", e.Frame.Url);19            };20            await browser.CloseAsync();21        }22    }23}OnFrameAttached
Using AI Code Generation
1var frameManager = page.FrameManager;2frameManager.OnFrameAttached += (sender, e) =>3{4    Console.WriteLine("Frame Attached: " + e.Frame.Url);5};6var frameManager = page.FrameManager;7frameManager.OnFrameNavigated += (sender, e) =>8{9    Console.WriteLine("Frame Navigated: " + e.Frame.Url);10};11var frameManager = page.FrameManager;12frameManager.OnFrameDetached += (sender, e) =>13{14    Console.WriteLine("Frame Detached: " + e.Frame.Url);15};16var frameManager = page.FrameManager;17frameManager.OnFrameNavigatedWithinDocument += (sender, e) =>18{19    Console.WriteLine("Frame Navigated Within Document: " + e.Frame.Url);20};21var frameManager = page.FrameManager;22frameManager.OnFrameDestroyed += (sender, e) =>23{24    Console.WriteLine("Frame Destroyed: " + e.Frame.Url);25};26var frameManager = page.FrameManager;27frameManager.OnFrameNavigated += (sender, e) =>28{29    Console.WriteLine("Frame Navigated: " + e.Frame.Url);30};31var frameManager = page.FrameManager;32frameManager.OnFrameRequestedNavigation += (sender, e) =>33{34    Console.WriteLine("Frame Requested Navigation: " + e.Frame.Url);35};36var frameManager = page.FrameManager;37frameManager.OnFrameScheduledNavigation += (sender, e) =>38{39    Console.WriteLine("Frame Scheduled Navigation: " + e.Frame.Url);40};OnFrameAttached
Using AI Code Generation
1var browserFetcher = new BrowserFetcher();2await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);3var browser = await Puppeteer.LaunchAsync(new LaunchOptions4{5});6var page = await browser.NewPageAsync();7var frames = page.MainFrame.ChildFrames;8var frame = frames.FirstOrDefault();9if (frame == null)10{11    Console.WriteLine("Frame is null");12}13{14    Console.WriteLine(frame.Url);15}16await browser.CloseAsync();17var browserFetcher = new BrowserFetcher();18await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);19var browser = await Puppeteer.LaunchAsync(new LaunchOptions20{21});22var page = await browser.NewPageAsync();23page.FrameManager.FrameAttached += (sender, e) =>24{25    Console.WriteLine(e.Frame.Url);26};27await browser.CloseAsync();28var browserFetcher = new BrowserFetcher();29await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);30var browser = await Puppeteer.LaunchAsync(new LaunchOptions31{32});33var page = await browser.NewPageAsync();34page.FrameManager.FrameAttached += (sender, e) =>35{36    Console.WriteLine(e.Frame.Url);37};38await browser.CloseAsync();39var browserFetcher = new BrowserFetcher();40await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);41var browser = await Puppeteer.LaunchAsync(new LaunchOptions42{OnFrameAttached
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            var browser = await Puppeteer.LaunchAsync(new LaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            page.FrameManager.OnFrameAttached += async (sender, e) =>14            {15                var frame = e.Frame;16                Console.WriteLine("Frame attached: " + frame.Url);17                await frame.EvaluateFunctionAsync(@"() => {18                    document.querySelector('form').addEventListener('submit', e => e.preventDefault());19                    document.querySelector('input[type='submit']').addEventListener('click', e => {20                        e.preventDefault();21                        document.querySelector('input[type='text']').value = 'PuppeteerSharp';22                        document.querySelector('input[type='submit']').value = 'Submitted';23                        document.querySelector('input[type='submit']').disabled = true;24                    });25                }");26            };27            await page.ScreenshotAsync("example.png");28            await browser.CloseAsync();29        }30    }31}32using System;33using System.Threading.Tasks;34using PuppeteerSharp;35{36    {37        static async Task Main(string[] args)38        {39            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);40            var browser = await Puppeteer.LaunchAsync(new LaunchOptions41            {42            });43            var page = await browser.NewPageAsync();44            page.FrameManager.OnFrameNavigated += async (sender, e) =>45            {46                var frame = e.Frame;47                Console.WriteLine("Frame navigated: " + frame.Url);OnFrameAttached
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            var browser = await Puppeteer.LaunchAsync(new LaunchOptions10            {11            });12            var page = await browser.NewPageAsync();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.
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