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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        {

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