How to use Dispose method of PuppeteerSharp.BrowserFetcher class

Best Puppeteer-sharp code snippet using PuppeteerSharp.BrowserFetcher.Dispose

SaveWebPage.xaml.cs

Source:SaveWebPage.xaml.cs

...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}
...

Form1.cs

Source:Form1.cs

...79            //dispose browser80            if (browser != null)81            {82                await browser.CloseAsync();83                browser.Dispose();84            }85        }86    }87}...

Program.cs

Source:Program.cs

...133    AnsiConsole.WriteException(e);134}135finally136{137    page?.Dispose();138    browser?.Dispose();139    browserFetcher?.Dispose();140}141// dark mode colors142// ff538d4e C143// ff3a3a3c A144// ffb59f3b P145// ffb59f3b P146// ff3a3a3c A147// non-dark mode colors148// ff6aaa64 C149// ff787c7e A150// ffc9b458 P151// ffc9b458 P152// ff787c7e A...

PuppeteerBrowser.cs

Source:PuppeteerBrowser.cs

...70        {71            logger.Info($"{this.Name}: Recreating PuppeteerBrowser");72            lock (browserLock)73            {74                this.page.Dispose();75                this.browser.CloseAsync().Wait();76            }77            System.Threading.Thread.Sleep(500);78            Init();79        }80        #region IDisposable Support81        private bool disposedValue = false; // To detect redundant calls82        protected virtual void Dispose(bool disposing)83        {84            logger.Info($"{this.Name}: Disposing PuppeteerBrowser Instance");85            if (!disposedValue)86            {87                if (disposing)88                {89                    // TODO: dispose managed state (managed objects).90                }91                logger.Debug($"{this.Name}: Closing PuppeteerBrowser");92                this.browser.CloseAsync().Wait();93                logger.Debug($"{this.Name}: Closed PuppeteerBrowser");94                // TODO: free unmanaged resources (unmanaged objects) and override a finalizer below.95                // TODO: set large fields to null.96                disposedValue = true;97            }98        }99        // TODO: override a finalizer only if Dispose(bool disposing) above has code to free unmanaged resources.100        ~PuppeteerBrowser()101        {102            // Do not change this code. Put cleanup code in Dispose(bool disposing) above.103            Dispose(false);104        }105        // This code added to correctly implement the disposable pattern.106        public void Dispose()107        {108            // Do not change this code. Put cleanup code in Dispose(bool disposing) above.109            Dispose(true);110            // TODO: uncomment the following line if the finalizer is overridden above.111            GC.SuppressFinalize(this);112        }113        #endregion114    }115}...

PuppeteerBannerGenerator.cs

Source:PuppeteerBannerGenerator.cs

...48            using var ms = new MemoryStream();49            await screenshotStream.CopyToAsync(ms, cancellationToken);50            return ms.ToArray().AsMemory();51        }52        public async ValueTask DisposeAsync() {53            if(_browser != null) {54                await _browser.DisposeAsync();55            }56        }57    }58}...

BrowserTests.cs

Source:BrowserTests.cs

...24            {25                Headless = true26            });27        }28        public async Task DisposeAsync()29        {30            await Browser?.CloseAsync();31        }32        private async Task PrintPerf(Page page)33        {34            var perf = await page.EvaluateExpressionAsync<long>("window.performance.timing.domContentLoadedEventEnd - window.performance.timing.navigationStart");35            Console.WriteLine($"Load Time: {perf}ms");36        }37        [Fact]38        public async Task CheckRoot()39        {40            bool hasError = false;41            var page = await Browser.NewPageAsync();42            page.Console += Page_Console;...

BrowserService.cs

Source:BrowserService.cs

...25                Console.WriteLine("ERROR: reCAPTCHA");26        }27        public async Task<string> GetHtml()28            => await _currentPage.GetContentAsync();29        public void Dispose() 30            => _browser?.Dispose();31    }32}...

PuppeteerDocumentGenerator.cs

Source:PuppeteerDocumentGenerator.cs

...26                        Top = "1.5cm",27                        Bottom = "1.5cm"28                    },29                });30                browser.Dispose();31                return pdfData;32            }33        }34    }35}...

Dispose

Using AI Code Generation

1using System;2using System.IO;3using System.Threading.Tasks;4using PuppeteerSharp;5{6    {7        static async Task Main(string[] args)8        {9            var browserFetcher = new BrowserFetcher();10            var revisionInfo = browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);11            string path = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), "Downloads", "chrome-win", "chrome.exe");12            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { ExecutablePath = path });13            var page = await browser.NewPageAsync();14            await page.ScreenshotAsync("google.png");15            await browser.CloseAsync();16        }17    }18}

Dispose

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var browserFetcher = new BrowserFetcher();9            var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10            Console.WriteLine(revisionInfo.ExecutablePath);11            await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);12            await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);13            browserFetcher.Dispose();14        }15    }16}17public async Task<RevisionInfo> DownloadAsync(int revision, Action<int> progressCallback = null)18using System;19using System.Threading.Tasks;20using PuppeteerSharp;21{22    {23        static async Task Main(string[] args)24        {25            var browserFetcher = new BrowserFetcher();26            await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision, progress =>27            {28                Console.WriteLine(progress);29            });30        }31    }32}

Dispose

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            var browserFetcher = new BrowserFetcher();13            var revisionInfo = browserFetcher.DownloadAsync("533271");14            Console.WriteLine("Revision Info: " + revisionInfo.Result.Revision);15            browserFetcher.Dispose();16        }

Dispose

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var browserFetcher = new BrowserFetcher();9            var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10            var browser = await Puppeteer.LaunchAsync(new LaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            await page.ScreenshotAsync("google.png");15            await page.PdfAsync("google.pdf");16            await browser.CloseAsync();17        }18    }19}

Dispose

Using AI Code Generation

1using System;2using PuppeteerSharp;3{4    {5        static void Main(string[] args)6        {7            var browserFetcher = new BrowserFetcher();8            browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision).GetAwaiter().GetResult();9            browserFetcher.Dispose();10        }11    }12}13using System;14using PuppeteerSharp;15{16    {17        static void Main(string[] args)18        {19            var browserFetcher = new BrowserFetcher();20            browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision).GetAwaiter().GetResult();21            browserFetcher.Dispose();22        }23    }24}25using System;26using PuppeteerSharp;27{28    {29        static void Main(string[] args)30        {31            var browserFetcher = new BrowserFetcher();32            browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision).GetAwaiter().GetResult();33            browserFetcher.Dispose();34        }35    }36}37using System;38using PuppeteerSharp;39{40    {41        static void Main(string[] args)42        {43            var browserFetcher = new BrowserFetcher();44            browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision).GetAwaiter().GetResult();45            browserFetcher.Dispose();46        }47    }48}49using System;50using PuppeteerSharp;51{52    {53        static void Main(string[] args)54        {55            var browserFetcher = new BrowserFetcher();56            browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision).GetAwaiter().GetResult();57            browserFetcher.Dispose();58        }59    }60}61using System;62using PuppeteerSharp;63{64    {65        static void Main(string[] args)66        {67            var browserFetcher = new BrowserFetcher();68            browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision).GetAwaiter

Dispose

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            BrowserFetcher browserFetcher = new BrowserFetcher();9            await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10            browserFetcher.Dispose();11        }12    }13}14public Task DownloadAsync(string revision)15using PuppeteerSharp;16using System;17using System.Threading.Tasks;18{19    {20        static async Task Main(string[] args)21        {22            BrowserFetcher browserFetcher = new BrowserFetcher();23            await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);24        }25    }26}27public RevisionInfo RevisionInfo(string revision)28using PuppeteerSharp;29using System;30using System.Threading.Tasks;31{32    {33        static async Task Main(string[] args)34        {35            BrowserFetcher browserFetcher = new BrowserFetcher();36            await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);37            var revisionInfo = browserFetcher.RevisionInfo(BrowserFetcher.DefaultRevision);38            Console.WriteLine(revisionInfo.Revision);39            Console.WriteLine(revisionInfo.Local);40            Console.WriteLine(revisionInfo.Url);41        }42    }43}

Dispose

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var fetcher = new BrowserFetcher();9            var revisionInfo = await fetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10            var browser = await Puppeteer.LaunchAsync(new LaunchOptions11            {12            });13            await browser.CloseAsync();14            fetcher.Dispose();15        }16    }17}

Dispose

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        public static async Task Main(string[] args)7        {8            var browserFetcher = new BrowserFetcher();9            var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10            var browser = await Puppeteer.LaunchAsync(new LaunchOptions11            {12            });13            await browser.CloseAsync();14            browserFetcher.Dispose();15        }16    }17}18using PuppeteerSharp;19using System;20using System.Threading.Tasks;21{22    {23        public static async Task Main(string[] args)24        {25            var browserFetcher = new BrowserFetcher();26            var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);27            var browser = await Puppeteer.LaunchAsync(new LaunchOptions28            {29            });30            await browser.CloseAsync();31            browserFetcher.Dispose();32            browser.Dispose();33        }34    }35}36using PuppeteerSharp;37using System;38using System.Threading.Tasks;39{40    {41        public static async Task Main(string[] args)42        {43            var browserFetcher = new BrowserFetcher();44            var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);45            var browser = await Puppeteer.LaunchAsync(new LaunchOptions46            {47            });48            var page = await browser.NewPageAsync();49            await browser.CloseAsync();50            browserFetcher.Dispose();51            browser.Dispose();52            page.Dispose();53        }54    }55}56using PuppeteerSharp;57using System;58using System.Threading.Tasks;59{60    {61        public static async Task Main(string[] args)62        {63            var browserFetcher = new BrowserFetcher();

Dispose

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            var browserFetcher = new BrowserFetcher();9            var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10            Console.WriteLine(revisionInfo.RevisionInfo.Local);11            Console.WriteLine("Press any key to exit...");12            Console.ReadKey();13        }14    }15}16using System;17using System.Threading.Tasks;18using PuppeteerSharp;19{20    {21        static async Task Main(string[] args)22        {23            var browserFetcher = new BrowserFetcher();24            var revisionInfo = await browserFetcher.DownloadAsync(533271);25            Console.WriteLine(revisionInfo.RevisionInfo.Local);26            Console.WriteLine("Press any key to exit...");27            Console.ReadKey();28        }29    }30}31using System;32using System.Threading.Tasks;33using PuppeteerSharp;34{35    {36        static async Task Main(string[] args)37        {

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.