How to use WaitForNetworkIdleOptions class of PuppeteerSharp package

Best Puppeteer-sharp code snippet using PuppeteerSharp.WaitForNetworkIdleOptions

Page.cs

Source: Page.cs Github

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...1544 /​/​/​ await page.WaitForNetworkIdle(); /​/​ The Task resolves after fetch above finishes1545 /​/​/​ ]]>1546 /​/​/​ </​code>1547 /​/​/​ </​example>1548 public async Task WaitForNetworkIdleAsync(WaitForNetworkIdleOptions options = null)1549 {1550 var timeout = options?.Timeout ?? DefaultTimeout;1551 var idleTime = options?.IdleTime ?? 500;1552 var networkIdleTcs = new TaskCompletionSource<bool>(TaskCreationOptions.RunContinuationsAsynchronously);1553 var idleTimer = new Timer1554 {1555 Interval = idleTime1556 };1557 idleTimer.Elapsed += (sender, args) =>1558 {1559 networkIdleTcs.TrySetResult(true);1560 };1561 var networkManager = FrameManager.NetworkManager;1562 void Evaluate()...

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WaitForNetworkIdleTests.cs

Source: WaitForNetworkIdleTests.cs Github

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...42 public async Task ShouldRespectTimeout()43 {44 await Page.GoToAsync(TestConstants.EmptyPage);45 var exception = await Assert.ThrowsAnyAsync<TimeoutException>(async () =>46 await Page.WaitForNetworkIdleAsync(new WaitForNetworkIdleOptions { Timeout = 1 }));47 Assert.Contains("Timeout of 1 ms exceeded", exception.Message);48 }49 /​/​ This should work on Firefox, this ignore should be temporal50 /​/​ PRs are welcome :)51 [PuppeteerTest("page.spec.ts", "Page.waitForNetworkIdle", "should respect idleTime")]52 [SkipBrowserFact(skipFirefox: true)] 53 public async Task ShouldRespectIdleTimeout()54 {55 var t1 = DateTime.Now;56 var t2 = DateTime.Now;57 await Page.GoToAsync(TestConstants.EmptyPage);58 var task = Page.WaitForNetworkIdleAsync(new WaitForNetworkIdleOptions { IdleTime = 10 }).ContinueWith(x => t1 = DateTime.Now);59 await Task.WhenAll(60 task,61 Page.EvaluateFunctionAsync(@"() =>62 (async () => {63 await Promise.all([64 fetch('/​digits/​1.png'),65 fetch('/​digits/​2.png'),66 ]);67 await new Promise((resolve) => setTimeout(resolve, 250));68 })()").ContinueWith(x => t2 = DateTime.Now)69 );70 Assert.True(t2 > t1);71 }72 [PuppeteerTest("page.spec.ts", "Page.waitForNetworkIdle", "should work with no timeout")]73 [PuppeteerFact]74 public async Task ShouldWorkWithNoTimeout()75 {76 await Page.GoToAsync(TestConstants.EmptyPage);77 await Task.WhenAll(78 Page.WaitForNetworkIdleAsync(new WaitForNetworkIdleOptions { Timeout = 0 }),79 Page.EvaluateFunctionAsync(@"() => setTimeout(() => {80 fetch('/​digits/​1.png');81 fetch('/​digits/​2.png');82 fetch('/​digits/​3.png');83 }, 50)")84 );85 }86 }87}...

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WaitForNetworkIdleOptions.cs

Source: WaitForNetworkIdleOptions.cs Github

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...3 /​/​/​ <summary>4 /​/​/​ Optional waiting parameters.5 /​/​/​ </​summary>6 /​/​/​ <seealso cref="Page.WaitForNetworkIdleAsync"/​>7 public class WaitForNetworkIdleOptions8 {9 /​/​/​ <summary>10 /​/​/​ Maximum time to wait for in milliseconds. Defaults to 30000 (30 seconds). Pass 0 to disable timeout.11 /​/​/​ The default value can be changed by setting the <see cref="Page.DefaultTimeout"/​> property.12 /​/​/​ </​summary>13 public int? Timeout { get; set; }14 /​/​/​ <summary>15 /​/​/​ How long to wait for no network requests in milliseconds, defaults to 500 milliseconds.16 /​/​/​ </​summary>17 public int? IdleTime { get; set; }18 }19}

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WaitForNetworkIdleOptions

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(args).GetAwaiter().GetResult();9 }10 static async Task MainAsync(string[] args)11 {12 {13 };14 using (var browser = await Puppeteer.LaunchAsync(options))15 using (var page = await browser.NewPageAsync())16 {17 await page.WaitForNavigationAsync(new WaitForNavigationOptions18 {19 WaitUntil = new System.Collections.Generic.List<WaitUntilNavigation> { WaitUntilNavigation.Networkidle0 }20 });21 await page.ScreenshotAsync("screenshot.png");22 }23 }24 }25}26using System;27using System.Threading.Tasks;28using PuppeteerSharp;29{30 {31 static void Main(string[] args)32 {33 MainAsync(args).GetAwaiter().GetResult();34 }35 static async Task MainAsync(string[] args)36 {37 {38 };39 using (var browser = await Puppeteer.LaunchAsync(options))40 using (var page = await browser.NewPageAsync())41 {42 await page.WaitForSelectorAsync("input[name='q']", new WaitForSelectorOptions43 {44 });45 await page.ScreenshotAsync("screenshot.png");46 }47 }48 }49}50using System;51using System.Threading.Tasks;52using PuppeteerSharp;53{54 {55 static void Main(string[] args)56 {57 MainAsync(args).GetAwaiter().GetResult();58 }59 static async Task MainAsync(string[] args)60 {61 {62 };63 using (var browser = await Puppeteer.LaunchAsync(options))64 using (var page = await browser.NewPageAsync())65 {

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WaitForNetworkIdleOptions

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 var options = new LaunchOptions { Headless = false };9 using (var browser = await Puppeteer.LaunchAsync(options))10 using (var page = await browser.NewPageAsync())11 {12 await page.WaitForNetworkIdleAsync(new WaitForNetworkIdleOptions { Timeout = 10000 });13 await navigationTask;14 await page.PdfAsync("google.pdf");15 }16 }17 }18}

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WaitForNetworkIdleOptions

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 {9 };10 var browser = await Puppeteer.LaunchAsync(options);11 var page = await browser.NewPageAsync();12 await page.WaitForNavigationAsync(new NavigationOptions13 {14 WaitUntil = new[] { WaitUntilNavigation.Networkidle0 }15 });16 await page.WaitForNavigationAsync(new NavigationOptions17 {18 WaitUntil = new[] { WaitUntilNavigation.Networkidle2 }19 });20 await page.WaitForNavigationAsync(new NavigationOptions21 {22 WaitUntil = new[] { WaitUntilNavigation.Load }23 });24 await page.WaitForNavigationAsync(new NavigationOptions25 {26 WaitUntil = new[] { WaitUntilNavigation.DOMContentLoaded }27 });28 await browser.CloseAsync();29 }30 }31}32public Task<ElementHandle> WaitForSelectorAsync(string selector, WaitForSelectorOptions options = null)33using System;34using System.Threading.Tasks;35using PuppeteerSharp;36{37 {38 static async Task Main(string[] args)39 {40 {41 };42 var browser = await Puppeteer.LaunchAsync(options);43 var page = await browser.NewPageAsync();

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WaitForNetworkIdleOptions

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().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.ScreenshotAsync("google.png");17 await page.WaitForNavigationAsync(new WaitForNavigationOptions { WaitUntil = new[] { WaitUntilNavigation.Networkidle0 } });18 await page.ScreenshotAsync("google2.png");19 await browser.CloseAsync();20 }21 }22}23using System;24using System.Threading.Tasks;25using PuppeteerSharp;26{27 {28 static void Main(string[] args)29 {30 MainAsync().Wait();31 }32 static async Task MainAsync()33 {34 var browser = await Puppeteer.LaunchAsync(new LaunchOptions35 {36 });37 var page = await browser.NewPageAsync();38 await page.ScreenshotAsync("google.png");39 await page.WaitForNavigationAsync(new WaitForNavigationOptions { WaitUntil = new[] { WaitUntilNavigation.Networkidle2 } });40 await page.ScreenshotAsync("google2.png");41 await browser.CloseAsync();42 }43 }44}45using System;46using System.Threading.Tasks;47using PuppeteerSharp;48{49 {50 static void Main(string[] args)51 {52 MainAsync().Wait();53 }54 static async Task MainAsync()55 {56 var browser = await Puppeteer.LaunchAsync(new LaunchOptions57 {58 });59 var page = await browser.NewPageAsync();60 await page.ScreenshotAsync("google.png");61 await page.WaitForNavigationAsync(new WaitForNavigationOptions { WaitUntil = new

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WaitForNetworkIdleOptions

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 Console.WriteLine("Hello World!");9 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);10 var options = new LaunchOptions { Headless = false };11 using (var browser = await Puppeteer.LaunchAsync(options))12 using (var page = await browser.NewPageAsync())13 {14 await page.WaitForNavigationAsync(new WaitForNavigationOptions { WaitUntil = new[] { WaitUntilNavigation.Networkidle0 } });15 await page.WaitForFunctionAsync(@"() => {16 return document.querySelectorAll('a').length > 0;17 }");18 await page.ScreenshotAsync("example.png");19 }20 }21 }22}23Property Description WaitUntil The page will wait for the network to become idle before continuing. It takes an array of WaitUntilNavigation values. Default: new[] { WaitUntilNavigation.Networkidle0 }24using System;25using System.Threading.Tasks;26using PuppeteerSharp;27{28 {29 static async Task Main(string[] args)30 {31 Console.WriteLine("Hello World!");32 await new BrowserFetcher().DownloadAsync(BrowserFetcher.Default

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WaitForNetworkIdleOptions

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });9 var page = await browser.NewPageAsync();10 await page.WaitForNavigationAsync(new WaitForNavigationOptions { WaitUntil = new[] { WaitUntilNavigation.Networkidle0 } });11 var pageTitle = await page.TitleAsync();12 Console.WriteLine(pageTitle);13 await browser.CloseAsync();14 }15 }16}

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StackOverFlow community discussions

Questions
Discussion

Is there a remove page method corresponding to NewPageAsync() in PuppeteerSharp?

how to use puppeteer-sharp touchStart and touchEnd and touch move

How to set download behaviour in PuppeteerSharp?

PuppeteerSharp throws ChromiumProcessException &quot;Failed to create connection&quot; when launching a browser

How to get text out of ElementHandle?

PuppeteerSharp - querySelectorAll + click

How do you set a cookie in Puppetteer-Sharp?

PuppeteerSharp best practices

PuppeteerSharp evaluate expression to complex type?

Puppeteer Sharp strange behaviour

You can close the page using CloseAsync:

var page = browser.NewPageAsync();
////
await page.CloseAsync();

An using block will also close the page:

using (var page = await new browser.PageAsync())
{
///
}

Puppeteer-Sharp v2.0.3+ also supports await using blocks

await using (var page = await new browser.PageAsync())
{
 ///
}
https://stackoverflow.com/questions/61517099/is-there-a-remove-page-method-corresponding-to-newpageasync-in-puppeteersharp

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