How to use EmulationSetEmulatedMediaTypeRequest class of PuppeteerSharp.Messaging package

Best Puppeteer-sharp code snippet using PuppeteerSharp.Messaging.EmulationSetEmulatedMediaTypeRequest

Page.cs

Source: Page.cs Github

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...715 /​/​/​ </​code>716 /​/​/​ </​example>717 /​/​/​ <returns>Emulate media type task.</​returns>718 public Task EmulateMediaTypeAsync(MediaType type)719 => Client.SendAsync("Emulation.setEmulatedMedia", new EmulationSetEmulatedMediaTypeRequest { Media = type });720 /​/​/​ <summary>721 /​/​/​ Given an array of media feature objects, emulates CSS media features on the page.722 /​/​/​ </​summary>723 /​/​/​ <param name="features">Features to apply</​param>724 /​/​/​ <example>725 /​/​/​ <code>726 /​/​/​ <![CDATA[727 /​/​/​ await page.EmulateMediaFeaturesAsync(new MediaFeature[]{ new MediaFeature { MediaFeature = MediaFeature.PrefersColorScheme, Value = "dark" }});728 /​/​/​ await page.EvaluateFunctionAsync<bool>("() => matchMedia('(prefers-color-scheme: dark)').matches)");729 /​/​/​ /​/​ → true730 /​/​/​ await page.EvaluateFunctionAsync<bool>("() => matchMedia('(prefers-color-scheme: light)').matches)");731 /​/​/​ /​/​ → false732 /​/​/​ await page.EvaluateFunctionAsync<bool>("() => matchMedia('(prefers-color-scheme: no-preference)').matches)");733 /​/​/​ /​/​ → false...

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EmulationSetEmulatedMediaRequest.cs

Source: EmulationSetEmulatedMediaRequest.cs Github

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1using System.Collections.Generic;2using PuppeteerSharp.Media;3namespace PuppeteerSharp.Messaging4{5 internal class EmulationSetEmulatedMediaTypeRequest6 {7 public MediaType Media { get; set; }8 }9}...

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EmulationSetEmulatedMediaTypeRequest.cs

Source: EmulationSetEmulatedMediaTypeRequest.cs Github

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1using System.Collections.Generic;2using PuppeteerSharp.Media;3namespace PuppeteerSharp.Messaging4{5 internal class EmulationSetEmulatedMediaTypeRequest6 {7 public MediaType Media { get; set; }8 }9}...

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EmulationSetEmulatedMediaTypeRequest

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using PuppeteerSharp.Messaging;5{6 {7 static async Task Main(string[] args)8 {9 var browser = await Puppeteer.LaunchAsync(new LaunchOptions10 {11 Args = new[] { "--use-fake-ui-for-media-stream" }12 });13 var page = await browser.NewPageAsync();14 await page.EmulateMediaTypeAsync("screen");15 await page.WaitForSelectorAsync("#video");16 await page.ClickAsync("#video");17 await page.ClickAsync("#audio");

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EmulationSetEmulatedMediaTypeRequest

Using AI Code Generation

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1using PuppeteerSharp;2using PuppeteerSharp.Messaging;3using System.Threading.Tasks;4{5 {6 static async Task Main(string[] args)7 {8 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9 var browser = await Puppeteer.LaunchAsync(new LaunchOptions10 {11 });12 var page = await browser.NewPageAsync();13 await page.EmulateMediaTypeAsync(MediaType.Screen);14 await page.ScreenshotAsync("google.png");15 await browser.CloseAsync();16 }17 }18}

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EmulationSetEmulatedMediaTypeRequest

Using AI Code Generation

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1using PuppeteerSharp;2using PuppeteerSharp.Messaging;3using System;4using System.Threading.Tasks;5{6 {7 static async Task Main(string[] args)8 {9 var browser = await Puppeteer.LaunchAsync(new LaunchOptions10 {11 });12 var page = await browser.NewPageAsync();13 var client = page.Target.CreateCDPSessionAsync();14 await client.Result.SendAsync("Emulation.setEmulatedMedia", new EmulationSetEmulatedMediaTypeRequest15 {16 });17 await page.PdfAsync("google.pdf");18 await browser.CloseAsync();19 }20 }21}

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EmulationSetEmulatedMediaTypeRequest

Using AI Code Generation

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1using PuppeteerSharp.Messaging;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8 {9 public Task SetEmulatedMediaTypeAsync(MediaType mediaType)10 {11 return Client.SendAsync("Emulation.setEmulatedMediaType", new EmulationSetEmulatedMediaTypeRequest12 {13 MediaType = mediaType.ToString().ToLower()14 });15 }16 }17}18using PuppeteerSharp.Messaging;19using System;20using System.Collections.Generic;21using System.Linq;22using System.Text;23using System.Threading.Tasks;24{25 {26 public Task SetEmulatedMediaTypeAsync(MediaType mediaType)27 {28 return Client.SendAsync("Emulation.setEmulatedMediaType", new EmulationSetEmulatedMediaTypeRequest29 {30 MediaType = mediaType.ToString().ToLower()31 });32 }33 }34}35using PuppeteerSharp.Messaging;36using System;37using System.Collections.Generic;38using System.Linq;39using System.Text;40using System.Threading.Tasks;41{42 {43 public Task SetEmulatedMediaTypeAsync(MediaType mediaType)44 {45 return Client.SendAsync("Emulation.setEmulatedMediaType", new EmulationSetEmulatedMediaTypeRequest46 {47 MediaType = mediaType.ToString().ToLower()48 });49 }50 }51}52using PuppeteerSharp.Messaging;53using System;54using System.Collections.Generic;55using System.Linq;56using System.Text;57using System.Threading.Tasks;58{59 {60 public Task SetEmulatedMediaTypeAsync(MediaType mediaType)61 {

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EmulationSetEmulatedMediaTypeRequest

Using AI Code Generation

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1{2 {3 {4 }5 }6};7await _browserContext.SendAsync(request);8{9 {10 {11 }12 }13};14await _browserContext.SendAsync(request);15public void ConfigureServices(IServiceCollection services)16{17 services.AddControllers().AddNewtonsoftJson(options =>18 {19 options.SerializerSettings.Converters.Add(new StringEnumConverter());20 });21}22public void ConfigureServices(IServiceCollection services)23{24 services.AddControllers()25 .AddJsonOptions(options =>26 {27 options.JsonSerializerOptions.Converters.Add(new JsonStringEnumConverter());28 });29}30public void ConfigureServices(IServiceCollection services)31{32 services.AddControllers()33 .AddJsonOptions(options =>34 {35 options.JsonSerializerOptions.Converters.Add(new JsonStringEnumConverter(JsonNamingPolicy.CamelCase));36 });37}38public void ConfigureServices(IServiceCollection services)39{40 services.AddControllers()41 .AddJsonOptions(options =>42 {

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EmulationSetEmulatedMediaTypeRequest

Using AI Code Generation

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1var message = new EmulationSetEmulatedMediaTypeRequest();2message.Media = "screen";3await client.SendAsync(message);4var message = new EmulationSetEmulatedMediaTypeRequest();5message.Media = "print";6await client.SendAsync(message);7var message = new EmulationSetEmulatedMediaTypeRequest();8message.Media = "screen";9await client.SendAsync(message);10var message = new EmulationSetEmulatedMediaTypeRequest();11message.Media = "screen";12await client.SendAsync(message);13var message = new EmulationSetEmulatedMediaTypeRequest();14message.Media = "screen";15await client.SendAsync(message);16var message = new EmulationSetEmulatedMediaTypeRequest();17message.Media = "screen";18await client.SendAsync(message);19var message = new EmulationSetEmulatedMediaTypeRequest();20message.Media = "screen";21await client.SendAsync(message);22var message = new EmulationSetEmulatedMediaTypeRequest();23message.Media = "screen";24await client.SendAsync(message);25var message = new EmulationSetEmulatedMediaTypeRequest();26message.Media = "screen";27await client.SendAsync(message);28var message = new EmulationSetEmulatedMediaTypeRequest();29message.Media = "screen";30await client.SendAsync(message);

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EmulationSetEmulatedMediaTypeRequest

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 public static Task<EmulationSetEmulatedMediaTypeResponse> EmulationSetEmulatedMediaType(this IPuppeteerPage page, EmulationSetEmulatedMediaTypeRequest request)7 {8 return page.SendAsync<EmulationSetEmulatedMediaTypeRequest, EmulationSetEmulatedMediaTypeResponse>("Emulation.setEmulatedMediaType", request);9 }10 }11}12using System;13using System.Threading.Tasks;14using PuppeteerSharp;15{16 {17 public string MediaType { get; set; }18 }19 {20 public bool Success { get; set; }21 }22}23using System;24using System.Threading.Tasks;25using PuppeteerSharp;26{27 {28 public string MediaType { get; set; }29 }30 {31 public bool Success { get; set; }32 }33}34using System;35using System.Threading.Tasks;36using PuppeteerSharp;37{38 {39 public string MediaType { get; set; }40 }41 {42 public bool Success { get; set; }43 }44}45using System;46using System.Threading.Tasks;47using PuppeteerSharp;48{49 {50 public string MediaType { get; set; }51 }52 {53 public bool Success { get; set; }54 }55}56using System;57using System.Threading.Tasks;58using PuppeteerSharp;59{60 {61 public string MediaType { get; set; }62 }63 {64 public bool Success { get; set; }65 }66}

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StackOverFlow community discussions

Questions
Discussion

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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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