How to use EmulationSetDeviceMetricsOverrideRequest class of PuppeteerSharp.Messaging package

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

Page.cs

Source: Page.cs Github

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...1971 {1972 Angle = 0,1973 Type = ScreenOrientationType.PortraitPrimary1974 };1975 await Client.SendAsync("Emulation.setDeviceMetricsOverride", new EmulationSetDeviceMetricsOverrideRequest1976 {1977 Mobile = isMobile,1978 Width = width,1979 Height = height,1980 DeviceScaleFactor = deviceScaleFactor,1981 ScreenOrientation = screenOrientation1982 }).ConfigureAwait(false);1983 }1984 if (options?.OmitBackground == true && type == ScreenshotType.Png)1985 {1986 await SetTransparentBackgroundColorAsync().ConfigureAwait(false);1987 }1988 }1989 var screenMessage = new PageCaptureScreenshotRequest...

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EmulationManager.cs

Source: EmulationManager.cs Github

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...31 Type = ScreenOrientationType.PortraitPrimary32 };33 var hasTouch = viewport.HasTouch;34 await Task.WhenAll(new Task[] {35 _client.SendAsync("Emulation.setDeviceMetricsOverride", new EmulationSetDeviceMetricsOverrideRequest36 {37 Mobile = mobile,38 Width = width,39 Height = height,40 DeviceScaleFactor = deviceScaleFactor,41 ScreenOrientation = screenOrientation42 }),43 _client.SendAsync("Emulation.setTouchEmulationEnabled", new EmulationSetTouchEmulationEnabledRequest44 {45 Enabled = hasTouch,46 Configuration = viewport.IsMobile ? "mobile" : "desktop"47 })48 }).ConfigureAwait(false);49 var reloadNeeded = _emulatingMobile != mobile || _hasTouch != hasTouch;...

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EmulationSetDeviceMetricsOverrideRequest.cs

Source: EmulationSetDeviceMetricsOverrideRequest.cs Github

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1using PuppeteerSharp.Media;2namespace PuppeteerSharp.Messaging3{4 internal class EmulationSetDeviceMetricsOverrideRequest5 {6 public bool Mobile { get; set; }7 public int Width { get; set; }8 public int Height { get; set; }9 public double DeviceScaleFactor { get; set; }10 public ScreenOrientation ScreenOrientation { get; set; }11 }12}...

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EmulationSetDeviceMetricsOverrideRequest

Using AI Code Generation

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1{2};3await client.SendAsync(request);4{5};6await client.SendAsync(request);

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EmulationSetDeviceMetricsOverrideRequest

Using AI Code Generation

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1{2};3await page.Emulation.SetDeviceMetricsOverrideAsync(deviceMetrics);4{5};6await page.Emulation.SetDeviceMetricsOverrideAsync(deviceMetrics);7{8};9await page.Emulation.SetDeviceMetricsOverrideAsync(deviceMetrics);10{11};12await page.Emulation.SetDeviceMetricsOverrideAsync(deviceMetrics);13{14};15await page.Emulation.SetDeviceMetricsOverrideAsync(deviceMetrics);16{17};18await page.Emulation.SetDeviceMetricsOverrideAsync(deviceMetrics);

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EmulationSetDeviceMetricsOverrideRequest

Using AI Code Generation

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1using PuppeteerSharp;2using PuppeteerSharp.Messaging;3using System.Threading.Tasks;4using System;5using System.Net.Http;6{7 {8 static async Task Main(string[] args)9 {10 {11 ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe",12 };13 using (var browser = await Puppeteer.LaunchAsync(options))14 {15 var page = await browser.NewPageAsync();16 await page.EmulateAsync(new EmulationSetDeviceMetricsOverrideRequest17 {18 {19 }20 });21 await page.ScreenshotAsync("google.png");22 }23 }24 }25}

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StackOverFlow community discussions

Questions
Discussion

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

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PuppeteerSharp best practices

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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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