How to use Disconnect method of PuppeteerSharp.Browser class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Browser.Disconnect

FetchDynamicResource.xaml.cs

Source:FetchDynamicResource.xaml.cs

...357358            var html =  await page.GetContentAsync();359360            //å³éæµè§å¨361            browser.Disconnect();362            browser.Dispose();363            ShowStatusTextPuppeteer("å°±ç»ª");364            return html;365        }366367        private void ShowStatusTextPuppeteer(string text)368        {369            this.Dispatcher.Invoke(() => {370                this.lbl_StatusText_Puppeteer.Content = text;371            });372        }373        #endregion374375
...

BrowserUtils.cs

Source:BrowserUtils.cs

...180        private async Task Cleanup(Page page) {181            await page.CloseAsync();182        }183        private void Cleanup(PuppeteerSharp.Browser browser) {184            browser.Disconnect();185            Dispose();186        }187        public void Dispose() {188            if (browser != null) {189                ProcessUtils.KillProcessTree(browser.Process);190            }191        }192    }193}...

WorkerActivities.cs

Source:WorkerActivities.cs

...27            var login = new UIAction.Login();28            CookieParam[] cookies = null;29            cookies = await login.RunAsync(page, log);30            // page is closed implicitly31            browser.Disconnect();32            if (cookies != null)33            {34                return CookieConverter.EncodeCookie(cookies);35            }36            throw new Exception("Failed to authenticate.");37        }38        // A) Accept search query and cookies return [totalpages]39        [FunctionName("QueryGuru")]40        public static async Task<int> QueryGuru(41                [ActivityTrigger] DurableActivityContext ctx,42                TraceWriter log)43        {44            var arguments = ctx.GetInput<Tuple<string, string>>();45            var searchargs = arguments.Item1.Split(':');46            if (searchargs.Length != 2)47            {48                throw new ArgumentException("Activity.QueryGuru: Expected search query to be in format <query>:<type>");49            }50            var query = searchargs[0];51            var type = searchargs[1];52            var cookies = CookieConverter.DecodeCookie(arguments.Item2);53            var browser = await Puppeteer.ConnectAsync(new ConnectOptions { BrowserWSEndpoint = Constants.BrowserWSEndpoint });54            var page = await browser.NewPageAsync();55            await page.SetCookieAsync(cookies);56            var search = new UIAction.NavigateSearch(query, type);57            var pages = await search.RunAsync(page);58            browser.Disconnect();59            return pages;60        }61        // O) Accept search query and cookies and page and configsection then return result62        [FunctionName("RetrievePageContent")]63        public static async Task<WorkerResult> RetrievePageContent(64                [ActivityTrigger] DurableActivityContext ctx,65                TraceWriter log)66        {67            var arguments = ctx.GetInput<Tuple<string, string, int, string>>();68            var searchargs = arguments.Item1.Split(':');69            if (searchargs.Length != 2)70            {71                throw new ArgumentException("Activity.QueryGuru: Expected search query to be in format <query>:<type>");72            }73            var query = searchargs[0];74            var type = searchargs[1];75            var cookies = CookieConverter.DecodeCookie(arguments.Item2);76            var pagenumber = arguments.Item3;77            var config = JsonConvert.DeserializeObject<ConfigSection>(arguments.Item4);78            var browser = await Puppeteer.ConnectAsync(new ConnectOptions { BrowserWSEndpoint = Constants.BrowserWSEndpoint });79            var page = await browser.NewPageAsync();80            await page.SetCookieAsync(cookies);81            var search = new UIAction.NavigateSearch(query, type, true);82            await search.RunAsync(page);83            var collect = new UIAction.NavigateCollect(pagenumber, ctx.InstanceId, ctx.InstanceId, config);84            var result = await collect.RunAsync(page);85            // page is closed implicitly86            browser.Disconnect();87            var customresult = new WorkerResult { html = result, page = pagenumber };88            return customresult;89        }90        // A) Accept number of pages and return a range from 1 to number of pages91        [FunctionName("CreateWorkload")]92        public static async Task<List<int>> CreateWorkload(93                [ActivityTrigger] DurableActivityContext ctx,94                TraceWriter log)95        {96            var totalpages = ctx.GetInput<int>();97            var workload = Enumerable.Range(1, totalpages).ToList();98            return await Task.FromResult(workload);99        }100        // A) Accept number of pages and return a range from 1 to number of pages101        [FunctionName("RaiseFinishedEvent")]102        public static async Task RaiseFinishedEvent(103                [ActivityTrigger] DurableActivityContext ctx,104                [OrchestrationClient] DurableOrchestrationClient client,105                TraceWriter log)106        {107            var args = ctx.GetInput<WorkerWorkResult>();108            var instanceid = args.instanceid;109            var reason = args.result;110            await client.RaiseEventAsync(instanceid, "Finished", reason);111        }112        [FunctionName("RetrieveScrapingConfig")]113        public static async Task<ConfigSection> RetrieveScrapingConfig(114                [ActivityTrigger] DurableActivityContext ctx,115                [Blob("config/propertyrecord.json", Connection = "StorageAccount")] TextReader file,116                TraceWriter log)117        {118            var configjson = await file.ReadToEndAsync();119            var config = OpenScraping.Config.StructuredDataConfig.ParseJsonString(configjson);120            return await Task.FromResult(config);121        }122    // [FunctionName("A_InitBrowser")]123    //    public static async Task<string> InitBrowser(124    //        [ActivityTrigger] DurableActivityContext ctx,125    //        TraceWriter log)126    //    {127    //        var connectionstring = ctx.GetInput<string>();128    //        var browser = await Puppeteer.ConnectAsync(new ConnectOptions { BrowserWSEndpoint = connectionstring });129    //        var json = JsonConvert.SerializeObject(browser, Formatting.None, new JsonSerializerSettings { PreserveReferencesHandling = PreserveReferencesHandling.All, TypeNameAssemblyFormatHandling = TypeNameAssemblyFormatHandling.Full });130    //        return json;131    //    }132    // [FunctionName("A_InitBrowserPage")]133    //    public static async Task<Page> InitBrowserPage(134    // [ActivityTrigger] DurableActivityContext ctx,135    // TraceWriter log)136    //    {137    //        var browser = ctx.GetInput<Browser>();138    //        var page = await browser.NewPageAsync();139    //        return page;140    //    }141    // [FunctionName("A_ScrapeSingle")]142    //    public static async Task<Model.WorkerResult> ScrapeSingle(143    //        [ActivityTrigger] DurableActivityContext ctx,144    //        TraceWriter log )145    //    {146    //        var workerid = "AAAA";147    //        var workerargsjson = ctx.GetInput<string>();148    //        log.Warning(workerargsjson);149    //        var workerargs = JsonConvert.DeserializeObject<Model.WorkerArgs>(workerargsjson);150    //        var asm = Assembly.Load("Microsoft.Extensions.Options, Culture=neutral, PublicKeyToken=adb9793829ddae60");151    //        PuppeteerSharp.Browser browser = null;152    //        try153    //        {154    //           // await workerargs.Action.RunAsync(workerargs.Page);155    //        }156    //        catch (Exception ex)157    //        {158    //            return new Model.WorkerResult() { WorkerId= workerid, Success=false };159    //        }160    //        finally161    //        {162    //            if (browser != null)163    //            {164    //                browser.Disconnect();165    //            }166    //        }167    //        return new Model.WorkerResult() { WorkerId= workerid, Success=true };168    //    }169    // [FunctionName("A_TestSingle")]170    //    public static async Task<string> TestSingle(171    // [ActivityTrigger] DurableActivityContext ctx,172    // TraceWriter log)173    //    {174    //        var workerid = "AAAA";175    //        var workerargsjson = ctx.GetInput<string>();176    //        log.Warning(workerargsjson);177    //        PuppeteerSharp.Browser browser = null;178    //        try...

SaveWebPage.xaml.cs

Source:SaveWebPage.xaml.cs

...74                    EMessageBox.Show("ä¿åç½é¡µæªå¾å¤±è´¥");75                }7677                //å¨æåè®°å¾å³éæµè§å¨åéæ¾èµæº78                browser.Disconnect();79                browser.Dispose();80            }81            catch(Exception ex)82            {83                EMessageBox.Show(ex.Message);84            }85        }8687        private async void btn_SaveAsPDF_Click(object sender, RoutedEventArgs e)88        {89            //æå¼ç½é¡µçæä½è·ä¸é¢æ¯ä¸æ ·ç90            try91            {92                await new PuppeteerSharp.BrowserFetcher().DownloadAsync(PuppeteerSharp.BrowserFetcher.DefaultRevision);93                var browser = await PuppeteerSharp.Puppeteer.LaunchAsync(new PuppeteerSharp.LaunchOptions94                {95                    Headless = true96                });97                var page = await browser.NewPageAsync();  //æå¼ä¸ä¸ªæ°æ ç¾98                await page.GoToAsync(this.tbox_Url.Text); //è®¿é®é¡µé¢99100                //è®¾ç½®PDFéé¡¹101                PuppeteerSharp.PdfOptions pdfOptions = new PuppeteerSharp.PdfOptions();102                pdfOptions.DisplayHeaderFooter = false; //æ¯å¦æ¾ç¤ºé¡µçé¡µè103                pdfOptions.FooterTemplate = "";   //é¡µèææ¬104105                var width = await page.EvaluateFunctionAsync<int>("function getWidth(){return document.body.scrollWidth}");106                var height = await page.EvaluateFunctionAsync<int>("function getHeight(){return document.body.scrollHeight}");107108                pdfOptions.Width = $"{width}px";109                pdfOptions.Height = $"{height}px";110111                pdfOptions.HeaderTemplate = "";   //é¡µçææ¬112                pdfOptions.Landscape = false;     //çº¸å¼ æ¹å false-åç´ true-æ°´å¹³113                pdfOptions.MarginOptions = new PuppeteerSharp.Media.MarginOptions() { Bottom = "0px", Left = "0px", Right = "0px", Top = "0px" }; //çº¸å¼ è¾¹è·ï¼éè¦è®¾ç½®å¸¦åä½çå¼ï¼é»è®¤å¼æ¯None114                pdfOptions.Scale = 1m;            //PDFç¼©æ¾ï¼ä»0-1115                pdfOptions.PrintBackground = true;116117                var fileName = Environment.CurrentDirectory + $"\\download\\{await page.GetTitleAsync()}.pdf";118119                if (System.IO.File.Exists(fileName))120                {121                    fileName = fileName.Replace(".pdf", $"{DateTime.Now.ToString("ffff")}.pdf");122                }123124                //ä¿åPDF125                await page.PdfAsync(fileName, pdfOptions);126                EMessageBox.Show($"{fileName}ä¿åæå");127128                //å¨æåè®°å¾å³éæµè§å¨åéæ¾èµæº129                browser.Disconnect();130                browser.Dispose();131            }132            catch(Exception ex)133            {134                EMessageBox.Show(ex.Message);135            }136        }137    }138}
...

Program.cs

Source:Program.cs

...74                    var searchElm = await page.XPathAsync("//input[@name='q']");75                    await searchElm[0].TypeAsync("hello world");76                    await page.ScreenshotAsync(@"screenshot-remote.png");77                }78                browser.Disconnect();79            }80            Console.WriteLine("done!");81        }82        static async void RecaptchaUsage()83        {84            // Initialize recaptcha plugin with AntiCaptchaProvider85            var recaptchaPlugin = new RecaptchaPlugin(new TwoCaptcha("2captcha token"));86            var browser = await new PuppeteerExtra().Use(recaptchaPlugin).ConnectAsync(new ConnectOptions()87            {88                BrowserURL = "http://127.0.0.1:9222"89            });90            var page = await browser.NewPageAsync();91            await page.GoToAsync("https://patrickhlauke.github.io/recaptcha/");92            // Solves captcha in page!...

ChromiumHelper.cs

Source:ChromiumHelper.cs

...126        {127            if (browser != null)128            {129                await browser.CloseAsync();130                browser.Disconnect();131                browser.Dispose();              132            }133        }134    }135}...

BrowserDisconnectTests.cs

Source:BrowserDisconnectTests.cs

...5using Xunit.Abstractions;6namespace PuppeteerSharp.Tests.LauncherTests7{8    [Collection(TestConstants.TestFixtureCollectionName)]9    public class BrowserDisconnectTests : PuppeteerBrowserBaseTest10    {11        public BrowserDisconnectTests(ITestOutputHelper output) : base(output)12        {13        }14        [PuppeteerTest("launcher.spec.ts", "Browser.disconnect", "should reject navigation when browser closes")]15        [PuppeteerFact]16        public async Task ShouldRejectNavigationWhenBrowserCloses()17        {18            Server.SetRoute("/one-style.css", _ => Task.Delay(10000));19            await using (var browser = await Puppeteer.LaunchAsync(TestConstants.DefaultBrowserOptions()))20            {21                var remote = await Puppeteer.ConnectAsync(new ConnectOptions22                {23                    BrowserWSEndpoint = browser.WebSocketEndpoint24                });25                var page = await remote.NewPageAsync();26                var navigationTask = page.GoToAsync(TestConstants.ServerUrl + "/one-style.html", new NavigationOptions27                {28                    Timeout = 6000029                });30                await Server.WaitForRequest("/one-style.css");31                remote.Disconnect();32                var exception = await Assert.ThrowsAsync<NavigationException>(() => navigationTask);33                Assert.Contains("Navigation failed because browser has disconnected!", exception.Message);34            }35        }36        [PuppeteerTest("launcher.spec.ts", "Browser.disconnect", "should reject waitForSelector when browser closes")]37        [PuppeteerFact]38        public async Task ShouldRejectWaitForSelectorWhenBrowserCloses()39        {40            Server.SetRoute("/empty.html", _ => Task.Delay(10000));41            await using (var browser = await Puppeteer.LaunchAsync(TestConstants.DefaultBrowserOptions()))42            {43                var remote = await Puppeteer.ConnectAsync(new ConnectOptions44                {45                    BrowserWSEndpoint = browser.WebSocketEndpoint46                });47                var page = await remote.NewPageAsync();48                var watchdog = page.WaitForSelectorAsync("div", new WaitForSelectorOptions { Timeout = 60000 });49                remote.Disconnect();50                var exception = await Assert.ThrowsAsync<TargetClosedException>(() => watchdog);51                Assert.Equal("Connection disposed", exception.CloseReason);52            }53        }54    }55}...

ConcurrentBrowserActivities.cs

Source:ConcurrentBrowserActivities.cs

...34            finally35            {36                if (browser != null)37                {38                    browser.Disconnect();39                }40            }41            return $"Processed {url} shit all.";42        }43        [FunctionName("A_Worker")]44        public static async Task<string> Worker(45        [ActivityTrigger] DurableActivityContext ctx,46        TraceWriter log47        )48        {49            return "";50        }51    }52    public static class Constants...

Disconnect

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var browser = await Puppeteer.LaunchAsync(new LaunchOptions9            {10                ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"11            });12            var page = await browser.NewPageAsync();13            await page.WaitForSelectorAsync("input[title='Search']");14            await page.TypeAsync("input[title='Search']", "PuppeteerSharp");15            await page.ClickAsync("input[value='Google Search']");16            await page.WaitForSelectorAsync("a[href='

Disconnect

Using AI Code Generation

1using PuppeteerSharp;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            var browser = await Puppeteer.LaunchAsync(new LaunchOptions8            {9            });10            var page = await browser.NewPageAsync();11            await page.ScreenshotAsync("google1.png");12            await browser.DisconnectAsync();13        }14    }15}

Disconnect

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            });15            var page = await browser.NewPageAsync();16            await page.WaitForSelectorAsync("input[name='q']");17            await page.TypeAsync("input[name='q']", "PuppeteerSharp");18            await page.ClickAsync("input[value='Google Search']");19            await page.WaitForTimeoutAsync(1000);20            await browser.DisconnectAsync();21        }22    }23}

Disconnect

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static void Main(string[] args)7        {8            {9                MainAsync().Wait();10            }11            catch (Exception e)12            {13                Console.WriteLine(e.Message);14            }15        }16        static async Task MainAsync()17        {18            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });19            await browser.DisconnectAsync();20        }21    }22}23Related Posts: PuppeteerSharp - How to use CloseAsync() method24PuppeteerSharp - How to use LaunchAsync() method25PuppeteerSharp - How to use NewPageAsync() method26PuppeteerSharp - How to use NewPageAsync() method27PuppeteerSharp - How to use NewPageAsync() method28PuppeteerSharp - How to use LaunchAsync() method29PuppeteerSharp - How to use NewPageAsync() method

Disconnect

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using System.Threading;5{6    {7        public static void Main(string[] args) => MainAsync().GetAwaiter().GetResult();8        public static async Task MainAsync()9        {10            var browser = await Puppeteer.LaunchAsync(new LaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            await page.ScreenshotAsync("google.png");15            await browser.DisconnectAsync();16            Console.WriteLine("Browser disconnected");17        }18    }19}20C# | PuppeteerSharp - BrowserFetcher.DownloadAsync() Method21C# | PuppeteerSharp - BrowserFetcher.CanDownloadAsync() Method22C# | PuppeteerSharp - BrowserFetcher.LocalRevisions() Method23C# | PuppeteerSharp - BrowserFetcher.RemoveAsync() Method

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