KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use LaunchOptions class of PuppeteerSharp package

Best Puppeteer-sharp code snippet using PuppeteerSharp.LaunchOptions

Methods.cs

Source:Methods.cs

...44                    args += $" --proxy-server={proxyClient.GetProxy(null).Authority}";45                }46            }47            // Configure the options48            var launchOptions = new LaunchOptions49            {50                Args = new string[] { args },51                ExecutablePath = data.Providers.PuppeteerBrowser.ChromeBinaryLocation,52                Headless = data.ConfigSettings.PuppeteerSettings.Headless,53                DefaultViewport = null // This is important54            };55            // Add the plugins56            var extra = new PuppeteerExtra();57            extra.Use(new StealthPlugin());58            // Launch the browser59            var browser = await extra.LaunchAsync(launchOptions);60            browser.IgnoreHTTPSErrors = data.ConfigSettings.PuppeteerSettings.IgnoreHttpsErrors;61            // Save the browser for further use62            data.SetObject("puppeteer", browser);...

SaveWebPage.xaml.cs

Source:SaveWebPage.xaml.cs

...35            try36            {37                await new PuppeteerSharp.BrowserFetcher().DownloadAsync(PuppeteerSharp.BrowserFetcher.DefaultRevision);3839                var browser = await PuppeteerSharp.Puppeteer.LaunchAsync(new PuppeteerSharp.LaunchOptions40                {41                    Headless = true42                });4344                var page = await browser.NewPageAsync();  //æå¼ä¸ä¸ªæ°æ ç¾45                await page.GoToAsync(this.tbox_Url.Text); //è®¿é®é¡µé¢4647                //è®¾ç½®æªå¾éé¡¹48                PuppeteerSharp.ScreenshotOptions screenshotOptions = new PuppeteerSharp.ScreenshotOptions();49                //screenshotOptions.Clip = new PuppeteerSharp.Media.Clip() { Height = 0, Width = 0, X = 0, Y = 0 };//è®¾ç½®æªåªåºå50                screenshotOptions.FullPage = true; //æ¯å¦æªåæ´ä¸ªé¡µé¢51                screenshotOptions.OmitBackground = false;//æ¯å¦ä½¿ç¨éæèæ¯ï¼èä¸æ¯é»è®¤ç½è²èæ¯52                screenshotOptions.Quality = 100; //æªå¾è´¨é 0-100ï¼pngä¸å¯ç¨ï¼53                screenshotOptions.Type = PuppeteerSharp.ScreenshotType.Jpeg; //æªå¾æ ¼å¼5455                var fileName = Environment.CurrentDirectory + $"\\download\\{await page.GetTitleAsync()}.jpg";5657                if (System.IO.File.Exists(fileName))58                {59                    fileName = fileName.Replace(".jpg", $"{DateTime.Now.ToString("ffff")}.jpg");60                }6162                await page.ScreenshotAsync(fileName, screenshotOptions);6364                if (System.IO.File.Exists(fileName))65                {66                    BitmapImage bi = new BitmapImage();67                    bi.BeginInit();68                    bi.UriSource = new Uri(fileName, UriKind.Absolute);69                    bi.EndInit();70                    this.image.Source = bi;71                }72                else73                {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}");107
...

ApiFactory.cs

Source:ApiFactory.cs

...66                sourceWriter.Namespace("Weikio.ApiFramework.Plugins.Browser");67                sourceWriter.StartClass($"ExecutableBrowser : WebBrowser");68                sourceWriter.WriteLine($"private readonly string _executablePath = @\"{executablePath}\";");69                sourceWriter.Write(70                    "protected override async Task<PuppeteerSharp.Browser> GetBrowser() { var launchOptions = new LaunchOptions() { Headless = true, ExecutablePath = _executablePath };var result = await Puppeteer.LaunchAsync(launchOptions); return result; }");71                sourceWriter.FinishBlock(); // Finish the class72                sourceWriter.FinishBlock(); // Finish the namespace73                code = sourceWriter.ToString();74            }75            else76            {77                _logger.LogDebug("Using remote browser");78                var sourceWriter = new StringBuilder();79                sourceWriter.UsingNamespace("System.Threading.Tasks");80                sourceWriter.UsingNamespace("PuppeteerSharp");81                sourceWriter.Namespace("Weikio.ApiFramework.Plugins.Browser");82                sourceWriter.StartClass($"RemoteBrowser : WebBrowser");83                sourceWriter.WriteLine($"private readonly string _browserWSEndpoint = \"{configuration?.BrowserWSEndpoint}\";");84                sourceWriter.Write(...

Form1.cs

Source:Form1.cs

...19        }20        private async void button1_Click(object sender, EventArgs e)21        {                      22            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);23            browser = await Puppeteer.LaunchAsync(new LaunchOptions24            {25                Headless = true26            });27            //å¦æawait new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);æ§è¡ä¸æå28            //å¯ä»¥æå¨è®¿é®https://commondatastorage.googleapis.com/chromium-browser-snapshots/index.html?prefix=Win_x64/ï¼ä¸è½½Chromiumæµè§å¨ï¼å¹¶è§£åå°æå®ä½ç½®29            //åéè¿ä»¥ä¸ä»£ç åå§å30            /*31             * LaunchOptions options = new LaunchOptions();32            options.Headless = true;33            options.DefaultViewport = null;34            //å¿½ç¥è¯ä¹¦éè¯¯35            options.IgnoreHTTPSErrors = true;36            //chromePathå°±æ¯ä¸è½½çChromiumæµè§å¨è§£åçä½ç½®          37             options.ExecutablePath = chromePath;38            browser = await Puppeteer.LaunchAsync(options);39            */40            var page = await browser.NewPageAsync();41            await page.GoToAsync(this.textBox1.Text);42            var html = await page.GetContentAsync();43            this.richTextBox1.Text = html;44        }45        private async void button2_Click(object sender, EventArgs e)...

Program.cs

Source:Program.cs

...27            [28592:33396:0217/074915.471:ERROR:shader_disk_cache.cc(601)] Shader Cache Creation failed: -228            [28592:33396:0217/074915.473:ERROR:browser_gpu_channel_host_factory.cc(138)] Failed to launch GPU process.29            at PuppeteerSharp.ChromiumProcess.State.StartingState.StartCoreAsync(ChromiumProcess p)30            at PuppeteerSharp.ChromiumProcess.State.StartingState.StartCoreAsync(ChromiumProcess p)31            at PuppeteerSharp.Launcher.LaunchAsync(LaunchOptions options)32            at PuppeteerSharp.Launcher.LaunchAsync(LaunchOptions options)33            */34            KillPreviousWebBrowserProcesses();35            StartWebBrowser().Wait();36        }37        static void KillPreviousWebBrowserProcesses()38        {39            var matchingProcesses =40                System.Diagnostics.Process.GetProcesses()41                /*42                2020-02-1743                .Where(process => process.StartInfo.Arguments.Contains(UserDataDirPath(), StringComparison.InvariantCultureIgnoreCase))44                */45                .Where(ProcessIsWebBrowser)46                .ToList();47            foreach (var process in matchingProcesses)48            {49                if (process.HasExited)50                    continue;51                process.Kill();52            }53        }54        static bool ProcessIsWebBrowser(System.Diagnostics.Process process)55        {56            try57            {58                return process.MainModule.FileName.Contains(".local-chromium");59            }60            catch61            {62                return false;63            }64        }65        static async System.Threading.Tasks.Task StartWebBrowser()66        {67            await new PuppeteerSharp.BrowserFetcher().DownloadAsync(PuppeteerSharp.BrowserFetcher.DefaultRevision);68            browser = await PuppeteerSharp.Puppeteer.LaunchAsync(new PuppeteerSharp.LaunchOptions69            {70                Headless = false,71                UserDataDir = UserDataDirPath(),72                DefaultViewport = null,73            });74            browserPage = (await browser.PagesAsync()).FirstOrDefault() ?? await browser.NewPageAsync();75            await browserPage.ExposeFunctionAsync("____callback____", (string returnValue) =>76            {77                callbackFromBrowserDelegate?.Invoke(returnValue);78                return 0;79            });80        }81    }82}...

PuppeteerBrowser.cs

Source:PuppeteerBrowser.cs

...36        private void Init()37        {38            logger.Debug($"{this.Name}: Initiating PuppeteerBrowser");39            var chromeBinaryFileName = Devmasters.Core.Util.Config.GetConfigValue("ChromeBinaryFullPath");40            var launchOptions = new LaunchOptions()41            {42                Headless = true,43                DefaultViewport = new ViewPortOptions()44                {45                    DeviceScaleFactor = 1,46                    IsLandscape = false,47                    HasTouch = false,48                    IsMobile = false,49                    Height = this.height,50                    Width = this.width,51                }52            };53            if (!string.IsNullOrEmpty(chromeBinaryFileName))54                launchOptions.ExecutablePath = chromeBinaryFileName;...

DocumentsV2Controller.cs

Source:DocumentsV2Controller.cs

...11namespace PdfService.Controllers {12	[ApiController]13	[Route("[controller]")]14	public class DocumentsV2Controller: ControllerBase {15		//private readonly LaunchOptions _browserOptions = new LaunchOptions { Headless = true, ExecutablePath = @"C:\Users\Zeroget\Downloads\chrome-win\chrome-win\chrome.exe", Args = new string[] { "--no-sandbox" } };16		private readonly LaunchOptions _browserOptions = new LaunchOptions { Headless = true, ExecutablePath = @"/usr/bin/chromium-browser", Args = new string[] { "--no-sandbox" } };17		private static Browser s_browser = null;18		private readonly ILogger<DocumentsV2Controller> _logger;19		public DocumentsV2Controller(ILogger<DocumentsV2Controller> logger) {20			_logger = logger;21		}22		[HttpPost("byUrl")]23		public async Task<IActionResult> Get(List<string> url, bool landscape) {24			Stopwatch stopwatch = Stopwatch.StartNew();25			stopwatch.Start();26			var files = await GeneratePdfAsync(url, landscape);27			return Ok(new { Paths = files.Select(x => "/pdf/" + x), Elapsed = stopwatch.ElapsedMilliseconds });28		}29		[HttpPost("byFile")]30		public async Task<IActionResult> Post(IFormFileCollection fileStream, bool landscape) {...

PuppeteerUtility.csx

Source:PuppeteerUtility.csx

...8        }9        return chromeProcs.First().Modules[0].FileName;10    }11    public async static Task<PageResult> GetPage(){12        var browser = await Puppeteer.LaunchAsync(new LaunchOptions13        {14            Headless = false,15            ExecutablePath = findChrome(),16            Args = new[]{ "--app=http://localhost/null" }17        });18        var page = (await browser.PagesAsync())[0];19        //await page.WaitForNavigationAsync();20        return new PageResult{21            Browser = browser, // they may need the browser to close it after they are done22            Page = page23        };24    }25    26}...

LaunchOptions

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            {9                Args = new[] { "--no-sandbox" }10            };11            using (var browser = await Puppeteer.LaunchAsync(options))12            using (var page = await browser.NewPageAsync())13            {14                await page.ScreenshotAsync("google.png");15            }16        }17    }18}19using System;20using System.Threading.Tasks;21using PuppeteerSharp;22{23    {24        static async Task Main(string[] args)25        {26            {27                Args = new[] { "--no-sandbox" }28            };29            using (var browser = await Puppeteer.LaunchAsync(options))30            using (var page = await browser.NewPageAsync())31            {32                await page.ScreenshotAsync("google.png");33            }34        }35    }36}37using System;38using System.Threading.Tasks;39using PuppeteerSharp;40{41    {42        static async Task Main(string[] args)43        {44            {45                Args = new[] { "--no-sandbox" }46            };47            using (var browser = await Puppeteer.LaunchAsync(options))48            using (var page = await browser.NewPageAsync())49            {50                await page.ScreenshotAsync("google.png");51            }52        }53    }54}55using System;56using System.Threading.Tasks;57using PuppeteerSharp;58{59    {60        static async Task Main(string[] args)61        {62            {63                Args = new[] { "--no-sandbox

LaunchOptions

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static async Task Main(string[] args)7        {8            {9                ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe",10                Args = new[] { "--disable-gpu" }11            };12            using (var browser = await Puppeteer.LaunchAsync(options))13            using (var page = await browser.NewPageAsync())14            {15                await page.ScreenshotAsync("google.png");16            }17        }18    }19}20using System;21using System.Threading.Tasks;22using PuppeteerSharp;23{24    {25        static async Task Main(string[] args)26        {27            {28                ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe",29                Args = new[] { "--disable-gpu" }30            };31            using (var browser = await Puppeteer.LaunchAsync

LaunchOptions

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            {13                Args = new string[] { "--window-size=1920,1080" }14            };15            using (var browser = await Puppeteer.LaunchAsync(options))16            {17                using (var page = await browser.NewPageAsync())18                {19                    await page.ScreenshotAsync("google.png");20                }21            }22        }23    }24}25at PuppeteerSharp.Launcher.LaunchAsync(LaunchOptions options) in26at PuppeteerSharp.Launcher.LaunchAsync(LaunchOptions options) in27at PuppeteerSharp.Launcher.LaunchAsync(LaunchOptions options) in28at PuppeteerSharp.Launcher.LaunchAsync(LaunchOptions options) in29at PuppeteerSharp.Launcher.LaunchAsync(LaunchOptions options) in30at PuppeteerSharp.Launcher.LaunchAsync(LaunchOptions options) in31at PuppeteerSharp.Launcher.LaunchAsync(LaunchOptions options) in32at PuppeteerSharp.Launcher.LaunchAsync(LaunchOptions options) in

LaunchOptions

Using AI Code Generation

1using System.Threading.Tasks;2using PuppeteerSharp;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        }12    }13}

LaunchOptions

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            {10                Args = new string[] { "--disable-notifications" }11            };12            using (var browser = await Puppeteer.LaunchAsync(options))13            {14                var page = await browser.NewPageAsync();15                var title = await page.EvaluateExpressionAsync<string>("document.title");16                Console.WriteLine(title);17                await page.ScreenshotAsync(Path.Combine(Directory.GetCurrentDirectory(), "example.png"));18            }19        }20    }21}

LaunchOptions

Using AI Code Generation

1using PuppeteerSharp;2{3    {4        public string[] Args { get; set; }5        public string[] IgnoreDefaultArgs { get; set; }6        public bool IgnoreHTTPSErrors { get; set; }7        public bool Headless { get; set; }8        public string ExecutablePath { get; set; }9        public bool SlowMo { get; set; }10        public bool Dumpio { get; set; }11        public bool Devtools { get; set; }12        public bool HandleSIGINT { get; set; }13        public bool HandleSIGTERM { get; set; }14        public bool HandleSIGHUP { get; set; }15        public bool Timeout { get; set; }16        public bool DefaultViewport { get; set; }17        public bool Args { get; set; }18        public bool IgnoreDefaultArgs { get; set; }19        public bool IgnoreHTTPSErrors { get; set; }20        public bool Headless { get; set; }21        public bool ExecutablePath { get; set; }22        public bool SlowMo { get; set; }23        public bool Dumpio { get; set; }24        public bool Devtools { get; set; }25        public bool HandleSIGINT { get; set; }26        public bool HandleSIGTERM { get; set; }27        public bool HandleSIGHUP { get; set; }28        public bool Timeout { get; set; }29        public bool DefaultViewport { get; set; }30        public bool Args { get; set; }31        public bool IgnoreDefaultArgs { get; set; }32        public bool IgnoreHTTPSErrors { get; set; }33        public bool Headless { get; set; }34        public bool ExecutablePath { get; set; }35        public bool SlowMo { get; set; }36        public bool Dumpio { get; set; }37        public bool Devtools { get; set; }38        public bool HandleSIGINT { get; set; }39        public bool HandleSIGTERM { get; set; }40        public bool HandleSIGHUP { get; set; }41        public bool Timeout { get; set; }42        public bool DefaultViewport { get; set; }43        public bool Args { get; set; }44        public bool IgnoreDefaultArgs { get;

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.