How to use Dialog class of PuppeteerSharp package

Best Puppeteer-sharp code snippet using PuppeteerSharp.Dialog

UCFullPageScreenShot.cs

Source:UCFullPageScreenShot.cs Github

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...61        //    }62        //}63        private void btn_path_Click(object sender, EventArgs e)64        {65            if (folderBrowserDialog1.ShowDialog() == DialogResult.OK)66            {67                tbx_path.Text = folderBrowserDialog1.SelectedPath;68            }69        }70        private void btn_start_Click(object sender, EventArgs e)71        {72            if (!System.IO.Directory.Exists(tbx_path.Text))73            {74                MessageBox.Show("请正确选择要保存的文件路径", "提示");75                return;76            }77            var urls = tbx_urls.Lines.Where(m => m.Contains(".") && m.Length > 10).Where(m => m.StartsWith("http://") || m.StartsWith("https://")).Select(m =>78            {79                try80                {81                    return new Uri(m.ToString());82                }83                catch (Exception)84                {85                    return null;86                }87            }).Where(m => m != null);88            if (!urls.Any())89            {90                MessageBox.Show("请正确填写网址,http开头每行一个", "提示");91                return;92            }93            OnShowTooltipInfo("0/" + urls.Count());94            OnSetProcessMax(urls.Count());95            OnSetProcessValue(0);96            var dirpath = Path.Combine(tbx_path.Text,DateTime.Now.ToString("yyyyMMdd"));97            Directory.CreateDirectory(dirpath);98            var randomCity = cbx_changecity2.Checked;//随机切换地区99            var country = cb_country.Text;//固定地区100            var pagetype = cbx_pagetype.SelectedIndex;101            Task.Run(() =>102                BulidPdfAsync(urls.ToArray(), dirpath, country, randomCity, cbx_text.Checked ? tbx_text.Text : string.Empty, cbx_his.Checked, GetPaperFormat(pagetype)103            ));104        }105        private readonly string _userAgent = $"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/{new Random().Next(79, 84)}.0.{new Random().Next(3000, 4000)}.0 Safari/537.36";106        /// <summary>107        /// 108        /// </summary>109        /// <param name="urls"></param>110        /// <param name="path"></param>111        /// <param name="changeCountry">选择切换的国家</param>112        /// <param name="randomCity">随机切换城市</param>113        /// <param name="addText">添加页眉/页脚内容</param>114        /// <returns></returns>115        private async Task BulidPdfAsync(Uri[] urls, string path, string changeCountry, bool randomCity, string addText, bool saveHis, PaperFormat paperFormat)116        {117            try118            {119                await new BrowserFetcher(new BrowserFetcherOptions()120                {121                    Host = "http://cdn.npm.taobao.org/dist"122                }).DownloadAsync(BrowserFetcher.DefaultRevision);123                var option = new LaunchOptions124                {125                    UserDataDir = $"{System.IO.Directory.GetCurrentDirectory()}/UserData",126                    Headless = true,127                    DefaultViewport = null,128                    Args = new[] {129                        "--no-sandbox",130                        "--disable-setuid-sandbox",131                        "--lang=en-US,en",132                        "--start-maximized",133                        //    "--disable-dev-shm-usage",134                        //   "--disable-extensions",135                        //  "--disable-gpu",136                        // "--disable-infobars",137                        //"--disable-local-storage",138                        // "--no-zygote",139                        // "--disable-bundled-ppapi-flash"140                        //$"--user-agent={_userAgent}"141                    },142                    IgnoreHTTPSErrors = true,143                };144                using (var browser = await Puppeteer.LaunchAsync(option))145                {146                    BrowserContext browserContext = browser.DefaultContext;147                    //if (saveHis)148                    //{149                    //    browserContext = await browser.CreateIncognitoBrowserContextAsync();150                    //}151                    var page = await browserContext.NewPageAsync();152                    await page.SetUserAgentAsync(_userAgent);153                    await page.SetViewportAsync(new ViewPortOptions154                    {155                        Width = Screen.PrimaryScreen.WorkingArea.Width,156                        Height = Screen.PrimaryScreen.WorkingArea.Height157                    });158                    159                    if (!changeCountry.Contains("请选择") && _CountryModels.Any())160                    {161                        OnShowTooltipInfo("初始化首页内容,开始切换国家");162                        //var zips = Properties.Resources.zip.Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);163                        //var zip = zips.OrderBy(m => Guid.NewGuid()).First();                       164                        await page.GoToAsync("https://www.amazon.com/");165                        var pagetitle = await page.GetTitleAsync();166                        try167                        {168                            var docid = _CountryModels.Find(m => m.Text.Contains(changeCountry));169                            if (docid != null)170                            {171                                await page.EvaluateFunctionAsync(Properties.Resources.oChange2, docid.Id);172                            }173                        }174                        catch (Exception ex)175                        {176                            MessageBox.Show("访问网址受限,自动切换地区失败,\r\n请等待亚马逊解封或切换新ip后再尝试\r\n" + ex.Message, pagetitle);177                            return;178                        }179                        await Task.Delay(8000);180                    }181                    else if (randomCity)//没有选择国家的情况,选择地区切换地区182                    {183                        OnShowTooltipInfo("初始化首页内容,开始切换地区");184                        var zips = Properties.Resources.zip.Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);185                        var zip = zips.OrderBy(m => Guid.NewGuid()).First();186                        await page.GoToAsync("https://www.amazon.com/");187                        var pagetitle = await page.GetTitleAsync();188                        try189                        {190                            await InputMatchCaptch(page);191                            await page.EvaluateFunctionAsync(Properties.Resources.oChange, zip);192                        }193                        catch (Exception ex)194                        {195                            MessageBox.Show("访问网址受限,自动切换地区失败,\r\n请等待亚马逊解封或切换新ip后再尝试", pagetitle);196                            throw ex;197                        }198                        await Task.Delay(10000);199                    }200                    int index = 0;201                    int max = urls.Length;202                    var prelist = Properties.Resources.preload.Split(new[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);203                    var maxwidth = Screen.PrimaryScreen.WorkingArea.Width;204                    foreach (var item in urls)205                    {206                        index += 1;207                        var ht = $"<div style=\"top:0px;font-size:10px;margin-left:10px;width:{maxwidth}px;\" ><span style=\"margin-left: 20px;\">{item}</span><span style=\"margin-left: 25%;\"></span><span style=\"margin-left:25%;\">{addText}</span></div>";208                        var ft = $"<div style=\"top:0px;font-size:10px;margin-left: 10px;width:{maxwidth}px;\"><span style=\"margin-left: 20px;\">{item}</span><span style=\"margin-left: 25%;\"></span><span style=\"margin-left:25%;\">{addText}</span></div>";209                        try210                        {211                            OnShowTooltipInfo($"开始加载页面{item}");212                            // progressBar.PerformStep();213                            //搜索记录214                            if (saveHis)215                            {216                                var preurl = prelist.OrderBy(m => Guid.NewGuid()).Take(6).ToList();217                                for (int i = 0; i < preurl.Count; i++)218                                {219                                    await InputMatchCaptch(page);220                                    var url = preurl[i];221                                    OnShowTooltipInfo($"增加浏览记录 {(i + 1)}/{preurl.Count}");222                                    await page.GoToAsync(url);223                                }224                            }225                            OnShowTooltipInfo("打开目标页面 " + item.ToString());226                            //目标页面227                            await page.GoToAsync(item.ToString());228                            await page.EvaluateFunctionAsync<string>("()=>{try{document.querySelector('#productTitle').click(); document.querySelector('.nav-signin-tt.nav-flyout').remove();return 1;}catch(ex){return 0;}}");229                            if (saveHis)230                            {231                                OnShowTooltipInfo("展示浏览记录");232                                var result = await page.EvaluateFunctionAsync<string>("()=>{try{window.scrollBy(0,document.querySelector('.navFooterBackToTopText').getBoundingClientRect().top-600);return 1;}catch(ex){console.log(ex);return 0;}}");233                                await Task.Delay(3000);234                                result = await page.EvaluateFunctionAsync<string>(Properties.Resources.oRandom);235                                await Task.Delay(5000);236                            }237                            var file = Path.Combine(path, item.AbsolutePath.Replace("/dp/", "").Replace("/", "") + ".pdf");238                            OnShowTooltipInfo("开始生成PDF " + file);239                            if (option.Headless)240                            {241                                await page.PdfAsync(file, new PdfOptions()242                                {243                                    PrintBackground = true,244                                    DisplayHeaderFooter = !string.IsNullOrEmpty(addText),245                                    HeaderTemplate = ht,246                                    FooterTemplate = ft,247                                    MarginOptions = new PuppeteerSharp.Media.MarginOptions()248                                    {249                                        Top = "40",250                                        Bottom = "40",251                                        Left = "30",252                                        Right = "30"253                                    },                                    254                                    Format = paperFormat255                                });256                            }257                            OnSetProcessValue(index);258                        }259                        catch (Exception ex)260                        {261                            OnShowTooltipInfo(ex.Message + "操作失败 " + item);262                            continue;263                            // throw;264                        }265                    }266                    //if (saveHis)267                    //{268                    //    var ck = await page.GetCookiesAsync("https://www.amazon.com");269                    //    await page.DeleteCookieAsync(ck);270                    //}271                    OnShowTooltipInfo($"操作完成 {index}/{urls.Length}");272                }273            }274            catch (Exception ex)275            {276                MessageBox.Show(ex.Message, "message", MessageBoxButtons.OK, MessageBoxIcon.Error);277                return;278                //throw;279            }280        }281        private static async Task InputMatchCaptch(Page page)282        {283            try284            {285                var input_captch = await page.QuerySelectorAsync("#captchacharacters");286                if (input_captch != null)287                {288                    var img_captch = await page.EvaluateFunctionAsync<string>("()=>{try{ return document.querySelector('form img').src;}catch(e){return '';}}");289                    var btnsubmit = await page.QuerySelectorAsync("button[type='submit']");290                    var capthForm = new Form()291                    {292                        Text = "请在文本框内输入图片上的验证码!",293                        FormBorderStyle = FormBorderStyle.FixedSingle,294                        MaximizeBox = false,295                        ShowIcon = false,296                        Height = 300,297                        Width = 450,298                        TopLevel = true299                    };300                    var macthCaptch = new MatchCaptch();301                    macthCaptch.LoadImage(img_captch);302                    capthForm.Controls.Add(macthCaptch);303                    if (capthForm.ShowDialog() == DialogResult.OK)304                    {305                        await input_captch.TypeAsync(macthCaptch.InputStr, new PuppeteerSharp.Input.TypeOptions { Delay = 500 });//输入验证码306                        await btnsubmit.ClickAsync();307                        await page.WaitForTimeoutAsync(5000);308                    }309                }310            }311            catch (Exception ex)312            {313                MessageBox.Show(ex.Message, "输入验证码异常错误", MessageBoxButtons.OK, MessageBoxIcon.Error);314            }315        }316        public PaperFormat GetPaperFormat(int index)317        {...

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Methods.cs

Source:Methods.cs Github

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...177                {178                    e.Request.ContinueAsync();179                }180            };181            if (data.ConfigSettings.PuppeteerSettings.DismissDialogs)182            {183                page.Dialog += (sender, e) =>184                {185                    data.Logger.Log($"Dialog automatically dismissed: {e.Dialog.Message}", LogColors.DarkSalmon);186                    e.Dialog.Dismiss();187                };188            }189        }190    }191}...

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BrowserInstance.cs

Source:BrowserInstance.cs Github

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...51            CurrentPageInstance.DOMContentLoaded -= OnCurrentPageInstanceOnDomContentLoaded;52            CurrentPageInstance.RequestFailed -= OnCurrentPageInstanceOnRequestFailed;53            CurrentPageInstance.Close -= OnCurrentPageInstanceOnClose;54            CurrentPageInstance.PageError -= OnCurrentPageInstanceOnPageInstanceError;55            CurrentPageInstance.Dialog -= OnCurrentPageInstanceOnDialog;56            CurrentBrowserInstance.Closed -= OnCurrentBrowserInstanceOnClosed;57            await CurrentPageInstance.CloseAsync();58            await CurrentBrowserInstance.CloseAsync();59            await CurrentPageInstance.DisposeAsync();60            CurrentPageInstance = null;61            await CurrentBrowserInstance.DisposeAsync();62            CurrentBrowserInstance = null;63        }64        public async Task LaunchIfClosed()65        {66            if (CurrentBrowserInstance == null)67            {68                string executableLocalPath = null;69                // prioritize last used browser70                var useBrowser = _localBrowsers.FirstOrDefault(b => b.BrowserID == _settings.UsedBrowser);71                //var useBrowser = _localBrowsers.FirstOrDefault(b => b is BundledChromium);72                if (useBrowser != null)73                {74                    _localBrowsers.Remove(useBrowser);75                    _localBrowsers.Insert(0, useBrowser);76                }77                foreach (ILocalBrowser localBrowser in _localBrowsers)78                {79                    executableLocalPath = await localBrowser.GetExecutable();80                    if (executableLocalPath == null)81                    {82                        continue;83                    }84                    // Sign out if browser is changed85                    if (localBrowser.BrowserID != _settings.UsedBrowser)86                    {87                        _gUser.IsSignedIn = false;88                        DeleteUserData();89                        _settings.UsedBrowser = localBrowser.BrowserID;90                    }91                    break;92                }93                if (string.IsNullOrEmpty(executableLocalPath))94                {95                    // Failed to run any Browser96                    return;97                }98                CurrentBrowserInstance = await LaunchBrowser(UserDataDirPath(), executableLocalPath);99                // user closes browser scenario100                CurrentBrowserInstance.Closed += OnUserClosedBrowser;101            }102            if (CurrentPageInstance == null)103            {104                var pages = await CurrentBrowserInstance.PagesAsync();105                CurrentPageInstance = null;106                if (pages.Any() && pages.Last().Url == "about:blank")107                {108                    CurrentPageInstance = pages.Last();109                }110                else111                {112                    CurrentPageInstance = await CurrentBrowserInstance.NewPageAsync();113                }114                // configure Logger115                CurrentPageInstance.FrameNavigated += OnCurrentPageInstanceOnFrameNavigated;116                CurrentPageInstance.Load += OnCurrentPageInstanceOnLoad;117                CurrentPageInstance.Error += OnCurrentPageInstanceOnError;118                CurrentPageInstance.DOMContentLoaded += OnCurrentPageInstanceOnDomContentLoaded;119                CurrentPageInstance.RequestFailed += OnCurrentPageInstanceOnRequestFailed;120                CurrentPageInstance.Close += OnCurrentPageInstanceOnClose;121                CurrentPageInstance.PageError += OnCurrentPageInstanceOnPageInstanceError;122                CurrentPageInstance.Dialog += OnCurrentPageInstanceOnDialog;123                CurrentBrowserInstance.Closed += OnCurrentBrowserInstanceOnClosed;124                //CurrentPageInstance.Request += (sender, args) =>125                //{126                //    App.PuppeteerLogger.Information($"{args.Request.Method.Method} {args.Request.Url}");127                //};128                //CurrentPageInstance.Response += (sender, args) =>129                //{130                //    App.PuppeteerLogger.Information($"{args.Response.Ok} {args.Response.Url}");131                //};132                //await CurrentPageInstance.SetViewportAsync();133            }134        }135        private async void OnUserClosedBrowser(object? sender, EventArgs e) => await Close();136        private static async Task<Browser> LaunchBrowser(string userDataDirPath, string executableLocalPath) =>137            await Puppeteer.LaunchAsync(new LaunchOptions138            {139                Headless = false,140                UserDataDir = userDataDirPath,141                ExecutablePath = executableLocalPath,142                //Args = new []{143                //    "--disable-background-timer-throttling",144                //    "--disable-backgrounding-occluded-windows",145                //    "--disable-renderer-backgrounding"146                //},147                IgnoredDefaultArgs = new[] {"--disable-extensions"},148                DefaultViewport = new ViewPortOptions() {Height = 600, Width = 1000}149            });150        private void OnCurrentBrowserInstanceOnClosed(object? sender, EventArgs args) =>151            App.PuppeteerLogger.Information($"Browser closed.");152        private void OnCurrentPageInstanceOnDialog(object? sender, DialogEventArgs args) =>153            App.PuppeteerLogger.Information($"{args.Dialog.DialogType} {args.Dialog.Message}");154        private void OnCurrentPageInstanceOnPageInstanceError(object? sender, PageErrorEventArgs args) =>155            App.PuppeteerLogger.Error($"PageError {args.Message}");156        private void OnCurrentPageInstanceOnClose(object? sender, EventArgs args) =>157            App.PuppeteerLogger.Information($"Page closed.");158        private void OnCurrentPageInstanceOnRequestFailed(object? sender, RequestEventArgs args) =>159            App.PuppeteerLogger.Error($"{args.Request.Method.Method} {args.Request.Url}");160        private void OnCurrentPageInstanceOnDomContentLoaded(object? sender, EventArgs args) =>161            App.PuppeteerLogger.Information($"DOMLoaded {CurrentPageInstance.Url}");162        private void OnCurrentPageInstanceOnError(object? sender, ErrorEventArgs args) =>163            App.PuppeteerLogger.Error($"{args.Error}");164        private void OnCurrentPageInstanceOnLoad(object? sender, EventArgs args) =>165            App.PuppeteerLogger.Information($"OnLoaded {CurrentPageInstance.Url}");166        private void OnCurrentPageInstanceOnFrameNavigated(object? sender, FrameEventArgs args) =>167            App.PuppeteerLogger.Information($"Navigated to {args.Frame.Url}");...

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Program.cs

Source:Program.cs Github

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...43                Height = 76844            });45            await page.GoToAsync("https://www.remove.bg/");46            await page.ClickAsync(".select-photo-url-btn");47            page.Dialog += async (sender, e) =>48            {49                if (e.Dialog.DialogType == DialogType.Confirm)50                {51                    await e.Dialog.Accept("https://o.remove.bg/uploads/14f9f1a1-a21f-4346-a2ad-9cab0785fa4d/u_4061252405_819153609_fm_173_app_25_f_JPEG.jpeg");52                    await e.Dialog.Dismiss();53                }54            };55            //page.Popup += async (sender, e) =>56            //{57            //    Console.WriteLine("456");58            //};59            // await page.WaitForTimeoutAsync(5);60            //await page.ClickAsync(".select-photo-file-btn");61            //Thread.Sleep(1000);62            //AU3_ControlFocus("打开","","Edit1");63            //AU3_WinWait("[CLASS:#32770]", "", 10);64            //AU3_ControlSetText("打开", "", "Edit1", "D:\\1.png");65            //AU3_ControlClick("打开", "", "Button1", "left", 1,1,1);66            //await page.EvaluateExpressionAsync("alert('yo');");...

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Dialog.cs

Source:Dialog.cs Github

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...3using PuppeteerSharp.Messaging;4namespace PuppeteerSharp5{6    /// <summary>7    /// <see cref="Dialog"/> objects are dispatched by page via the 'dialog' event.8    /// </summary>9    /// <example>10    /// An example of using Dialog class:11    ///<code>12    ///<![CDATA[13    /// Page.Dialog += async (sender, e) =>14    /// {15    ///     await e.Dialog.Accept();16    /// }17    /// await Page.EvaluateExpressionAsync("alert('yo');");18    /// ]]>19    /// </code>20    /// </example>21    public class Dialog22    {23        private readonly CDPSession _client;24        /// <summary>25        /// Dialog's type, can be one of alert, beforeunload, confirm or prompt.26        /// </summary>27        /// <value>The type of the dialog.</value>28        public DialogType DialogType { get; set; }29        /// <summary>30        /// If dialog is prompt, returns default prompt value. Otherwise, returns empty string.31        /// </summary>32        /// <value>The default value.</value>33        public string DefaultValue { get; set; }34        /// <summary>35        /// A message displayed in the dialog.36        /// </summary>37        /// <value>The message.</value>38        public string Message { get; set; }39        /// <summary>40        /// Initializes a new instance of the <see cref="Dialog"/> class.41        /// </summary>42        /// <param name="client">Client.</param>43        /// <param name="type">Type.</param>44        /// <param name="message">Message.</param>45        /// <param name="defaultValue">Default value.</param>46        public Dialog(CDPSession client, DialogType type, string message, string defaultValue)47        {48            _client = client;49            DialogType = type;50            Message = message;51            DefaultValue = defaultValue;52        }53        /// <summary>54        /// Accept the Dialog.55        /// </summary>56        /// <returns>Task which resolves when the dialog has been accepted.</returns>57        /// <param name="promptText">A text to enter in prompt. Does not cause any effects if the dialog's type is not prompt.</param>58        public Task Accept(string promptText = "")59        {60            return _client.SendAsync("Page.handleJavaScriptDialog", new Dictionary<string, object>61            {62                { MessageKeys.Accept, true },63                { MessageKeys.PromptText, promptText }64            });65        }66        /// <summary>67        /// Dismiss the dialog.68        /// </summary>69        /// <returns>Task which resolves when the dialog has been dismissed.</returns>70        public Task Dismiss()71        {72            return _client.SendAsync("Page.handleJavaScriptDialog", new Dictionary<string, object>73            {74                { MessageKeys.Accept, false }75            });76        }77    }78}...

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IPuppeteerContext.cs

Source:IPuppeteerContext.cs Github

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...11        bool PageEvents { get; }12        bool BrowserEvents { get; }13        TimeSpan PageLoadTimeout { get; }14        bool PageCacheEnabled { get; }15        EventHandler<DialogEventArgs> DialogHandler { get; }16        IPuppeteerContext SetOverridePermission();17        IPuppeteerContext SetDefaultLaunchProperties();18        IPuppeteerContext SetEnLangAndIgnoreCertErrors();19        IPuppeteerContext SetPageDialogHandler(EventHandler<DialogEventArgs> eventHandler);20        IPuppeteerContext SetBrowserProperty(string property);21        IPuppeteerContext SetIncognito(bool incognito = true);22        IPuppeteerContext SetProxy(string ip, int port, string userName, string pwd);23        IPuppeteerContext SetHeadless(bool headless);24        IPuppeteerContext SetHeadless(TimeSpan timeout);25        IPuppeteerContext SetPageCacheEnabled(bool enabled);26        Task<IPuppeteerBrowser> CreateBrowser(Platform platform);27        IPuppeteerContext DisableWebSecurity();28        IPuppeteerContext DisableFeatures(string arg);        29        IPuppeteerContext DisableXssAuditor();30        IPuppeteerContext EnableBrowserEvents(bool browserEvents);31        IPuppeteerContext EnablePageEvents(bool pageEvents);32    }33}...

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DialogEventArgs.cs

Source:DialogEventArgs.cs Github

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2using System.Collections.Generic;3namespace PuppeteerSharp4{5    /// <summary>6    /// <see cref="Page.Dialog"/> arguments.7    /// </summary>8    public class DialogEventArgs : EventArgs9    {10        /// <summary>11        /// Dialog data.12        /// </summary>13        /// <value>Dialog data.</value>14        public Dialog Dialog { get; }15        /// <summary>16        /// Initializes a new instance of the <see cref="DialogEventArgs"/> class.17        /// </summary>18        /// <param name="dialog">Dialog.</param>19        public DialogEventArgs(Dialog dialog) => Dialog = dialog;20    }21}...

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DialogType.cs

Source:DialogType.cs Github

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1using System.Runtime.Serialization;2namespace PuppeteerSharp3{4    /// <summary>5    /// Dialog type.6    /// </summary>7    /// <seealso cref="Dialog"/>8    public enum DialogType9    {10        /// <summary>11        /// Alert dialog.12        /// </summary>13        Alert,14        /// <summary>15        /// Prompt dialog.16        /// </summary>17        Prompt,18        /// <summary>19        /// Confirm dialog.20        /// </summary>21        Confirm,22        /// <summary>...

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Dialog

Using AI Code Generation

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1using PuppeteerSharp;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);8            var browser = await Puppeteer.LaunchAsync(new LaunchOptions9            {10            });11            var page = await browser.NewPageAsync();12            await page.ScreenshotAsync("google.png");13            await browser.CloseAsync();14        }15    }16}17using PuppeteerSharp;18using System.Threading.Tasks;19{20    {21        static async Task Main(string[] args)22        {23            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);24            var browser = await Puppeteer.LaunchAsync(new LaunchOptions25            {26            });27            var page = await browser.NewPageAsync();28            await page.ScreenshotAsync("google.png");29            await browser.CloseAsync();30        }31    }32}33using PuppeteerSharp;34using System.Threading.Tasks;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            await page.ScreenshotAsync("google.png");45            await browser.CloseAsync();46        }47    }48}49using PuppeteerSharp;50using System.Threading.Tasks;51{52    {53        static async Task Main(string[] args)54        {55            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);56            var browser = await Puppeteer.LaunchAsync(new LaunchOptions57            {

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Dialog

Using AI Code Generation

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1var dialog = await page.WaitForDialogAsync();2await dialog.AcceptAsync();3await page.WaitForNavigationAsync();4var dialog = await page.WaitForDialogAsync();5await dialog.AcceptAsync();6await page.WaitForNavigationAsync();7var dialog = await page.WaitForDialogAsync();8await dialog.AcceptAsync();9await page.WaitForNavigationAsync();10var dialog = await page.WaitForDialogAsync();11await dialog.AcceptAsync();12await page.WaitForNavigationAsync();13var dialog = await page.WaitForDialogAsync();14await dialog.AcceptAsync();15await page.WaitForNavigationAsync();16var dialog = await page.WaitForDialogAsync();17await dialog.AcceptAsync();18await page.WaitForNavigationAsync();19var dialog = await page.WaitForDialogAsync();20await dialog.AcceptAsync();21await page.WaitForNavigationAsync();22var dialog = await page.WaitForDialogAsync();23await dialog.AcceptAsync();24await page.WaitForNavigationAsync();25var dialog = await page.WaitForDialogAsync();26await dialog.AcceptAsync();27await page.WaitForNavigationAsync();28var dialog = await page.WaitForDialogAsync();29await dialog.AcceptAsync();30await page.WaitForNavigationAsync();31var dialog = await page.WaitForDialogAsync();32await dialog.AcceptAsync();33await page.WaitForNavigationAsync();34var dialog = await page.WaitForDialogAsync();35await dialog.AcceptAsync();36await page.WaitForNavigationAsync();37var dialog = await page.WaitForDialogAsync();38await dialog.AcceptAsync();39await page.WaitForNavigationAsync();

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Dialog

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5    {6        static void Main(string[] args)7        {8            MainAsync().GetAwaiter().GetResult();9        }10        static async Task MainAsync()11        {12            var browser = await Puppeteer.LaunchAsync(new LaunchOptions13            {14                ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"15            });16            var page = await browser.NewPageAsync();17            await page.ScreenshotAsync("google.png");18            var title = await page.EvaluateExpressionAsync<string>("document.title");19            Console.WriteLine(title);20            await browser.CloseAsync();21        }22    }23}24using System;25using System.Threading.Tasks;26using PuppeteerSharp;27{28    {29        static void Main(string[] args)30        {31            MainAsync().GetAwaiter().GetResult();32        }33        static async Task MainAsync()34        {35            var browser = await Puppeteer.LaunchAsync(new LaunchOptions36            {37                ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"38            });39            var page = await browser.NewPageAsync();

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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.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

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