How to use EmulateMediaTypeAsync method of PuppeteerSharp.Page class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Page.EmulateMediaTypeAsync

ReportController.cs

Source:ReportController.cs Github

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...64 Headless = true,65 ExecutablePath = PuppeteerExtensions.ExecutablePath66 });67 await using var page = await browser.NewPageAsync();68 await page.EmulateMediaTypeAsync(MediaType.Screen);69 await page.SetContentAsync(html);70 var pdfContent = await page.PdfStreamAsync(new PdfOptions71 {72 Format = PaperFormat.A4,73 PrintBackground = true74 });75 return File(pdfContent, "application/pdf", $"Raport-{leaveType.LeaveDescription}.pdf");76 }77 [Route("GenerateLeaveApplication/{id}")]78 public async Task<IActionResult> GenerateLeaveApplication(int id)79 {80 var data = await _context.Leaves.Include(l => l.LeaveType).Include(l => l.Person).FirstOrDefaultAsync(p => p.LeaveId == id);81 var html = await _templateService.RenderAsync("../Report/LeaveApplication", data);82 await using var browser = await Puppeteer.LaunchAsync(new LaunchOptions83 {84 Headless = true,85 ExecutablePath = PuppeteerExtensions.ExecutablePath86 });87 await using var page = await browser.NewPageAsync();88 await page.EmulateMediaTypeAsync(MediaType.Screen);89 await page.SetContentAsync(html);90 var pdfContent = await page.PdfStreamAsync(new PdfOptions91 {92 Format = PaperFormat.A4,93 PrintBackground = true94 });95 return File(pdfContent, "application/pdf", $"Wniosek-{data.Person.FullName}.pdf");96 }97 [Route("GenerateEmployeesReport/{id}")]98 public async Task<IActionResult> GenerateEmployeesReport(int id)99 {100 var leaves = await _context.Leaves.Include(l => l.LeaveType).Include(l => l.Person).Where(p => p.PersonId == id && p.IsConfirmed == true).ToListAsync();101 var leaveTypes = await _context.LeaveTypePerson.Where(p => p.PersonId == id).ToListAsync();102 var person = await _context.Person.FirstOrDefaultAsync(p => p.PersonId == id);103 var data = new EmployeesReportViewModel { Person = person, Leaves = leaves, LeaveTypes = leaveTypes };104 var html = await _templateService.RenderAsync("../Report/EmployeesReport", data);105 await using var browser = await Puppeteer.LaunchAsync(new LaunchOptions106 {107 Headless = true,108 ExecutablePath = PuppeteerExtensions.ExecutablePath109 });110 await using var page = await browser.NewPageAsync();111 await page.EmulateMediaTypeAsync(MediaType.Screen);112 await page.SetContentAsync(html);113 var pdfContent = await page.PdfStreamAsync(new PdfOptions114 {115 Format = PaperFormat.A4,116 PrintBackground = true117 });118 return File(pdfContent, "application/pdf", $"Raport-{data.Person.FullName}.pdf");119 }120 public IActionResult Generate()121 {122 return View();123 }124 }125}...

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GeneratePdf.cs

Source:GeneratePdf.cs Github

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...77 });78 // dimensions = await page.EvaluateExpressionAsync<string>(jsWidth);79 await page.EvaluateExpressionHandleAsync("document.fonts.ready"); // Wait for fonts to be loaded. Omitting this might result in no text rendered in pdf.80 // use the screen mode for viewing the web page81 await page.EmulateMediaTypeAsync(PuppeteerSharp.Media.MediaType.Screen);82 // define some options83 var options = new PdfOptions()84 {85 Width = width,86 Height = 1080,87 Format = PuppeteerSharp.Media.PaperFormat.Letter,88 DisplayHeaderFooter = false,89 PrintBackground = printBackground90 };91 // throws an error if margin is less than 1092 if (margin >= 10)93 {94 options.MarginOptions = new PuppeteerSharp.Media.MarginOptions()95 {...

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Program.BuildCommand.cs

Source:Program.BuildCommand.cs Github

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...81 ExecutablePath = fetcher.GetExecutablePath(BrowserFetcher.DefaultRevision),82 Headless = true,83 });84 var page = await browser.NewPageAsync();85 await page.EmulateMediaTypeAsync(MediaType.Print);86 var encoded = System.Convert.ToBase64String(Encoding.UTF8.GetBytes(result));87 await page.GoToAsync($"data:text/html;base64,{encoded}", WaitUntilNavigation.Networkidle0);88 await page.PdfAsync(resumePdfPath, new PdfOptions89 {90 Format = PaperFormat.Letter,91 PrintBackground = true,92 });93 console.Out.WriteLine("Done...");94 });95 return command;96 }97 }98}...

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PrintController.cs

Source:PrintController.cs Github

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...42 Headless = true,43 ExecutablePath = PuppeteerExtensions.ExecutablePath44 });45 await using var page = await browser.NewPageAsync();46 await page.EmulateMediaTypeAsync(MediaType.Screen);47 await page.SetContentAsync(html);48 var pdfContent = await page.PdfStreamAsync(new PdfOptions49 {50 Format = PaperFormat.A4,51 PrintBackground = true52 });53 return File(pdfContent, "application/pdf", $"Invoice-{model.Id}.pdf");54 }55 }56}...

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Service.cs

Source:Service.cs Github

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...36 using var browserFetcher = new BrowserFetcher();37 await browserFetcher.DownloadAsync();38 await using var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });39 await using var page = await browser.NewPageAsync();40 await page.EmulateMediaTypeAsync(MediaType.Screen);41 await page.SetContentAsync(html);42 await page.PdfAsync("Invoice.pdf", new PdfOptions43 {44 Format = PaperFormat.A4,45 PrintBackground = true46 });47 });48 }49 }50}...

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PdfRender.cs

Source:PdfRender.cs Github

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...17 {18 Headless = true19 });20 var page = await browser.NewPageAsync();21 await page.EmulateMediaTypeAsync(MediaType.Screen);22 await page.SetContentAsync(html);23 var pdfContent = await page.PdfStreamAsync(new PdfOptions24 {25 Format = PaperFormat.A4,26 PrintBackground = true27 });28 string outputPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Invoices");29 Directory.CreateDirectory(outputPath);30 outputPath = Path.Combine(outputPath, "Invoice_"+invoiceId+".pdf");31 using (FileStream file = new FileStream(outputPath, FileMode.Create, System.IO.FileAccess.Write))32 {33 byte[] bytes = new byte[pdfContent.Length];34 pdfContent.Read(bytes, 0, (int)pdfContent.Length);35 file.Write(bytes, 0, bytes.Length);...

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EmulateMediaTypeTests.cs

Source:EmulateMediaTypeTests.cs Github

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...14 public async Task ShouldWork()15 {16 Assert.True(await Page.EvaluateExpressionAsync<bool>("matchMedia('screen').matches"));17 Assert.False(await Page.EvaluateExpressionAsync<bool>("matchMedia('print').matches"));18 await Page.EmulateMediaTypeAsync(MediaType.Print);19 Assert.False(await Page.EvaluateExpressionAsync<bool>("matchMedia('screen').matches"));20 Assert.True(await Page.EvaluateExpressionAsync<bool>("matchMedia('print').matches"));21 await Page.EmulateMediaTypeAsync(MediaType.None);22 Assert.True(await Page.EvaluateExpressionAsync<bool>("matchMedia('screen').matches"));23 Assert.False(await Page.EvaluateExpressionAsync<bool>("matchMedia('print').matches"));24 }25 }26}...

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Program.cs

Source:Program.cs Github

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...10{11 Headless = true12});13await using var page = await browser.NewPageAsync();14await page.EmulateMediaTypeAsync(MediaType.Screen);15await page.SetContentAsync(content);16var pdfContent = await page.PdfStreamAsync(new PdfOptions17{18 Format = PaperFormat.A4,19 PrintBackground = true20});21using (FileStream outputFileStream = new FileStream("test.pdf", FileMode.Create))22{23 pdfContent.CopyTo(outputFileStream);24}...

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EmulateMediaTypeAsync

Using AI Code Generation

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1using System.Threading.Tasks;2using PuppeteerSharp;3{4 {5 static async Task Main(string[] args)6 {7 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);8 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions9 {10 Args = new[] { "--no-sandbox" }11 }))12 using (var page = await browser.NewPageAsync())13 {14 await page.EmulateMediaTypeAsync(MediaType.Screen);15 }16 }17 }18}19How to use PuppeteerSharp in C# to automate Google Chrome? (Part 2)20How to use PuppeteerSharp in C# to automate Google Chrome? (Part 3)21How to use PuppeteerSharp in C# to automate Google Chrome? (Part 4)22How to use PuppeteerSharp in C# to automate Google Chrome? (Part 5)23How to use PuppeteerSharp in C# to automate Google Chrome? (Part 6)24How to use PuppeteerSharp in C# to automate Google Chrome? (Part 7)25How to use PuppeteerSharp in C# to automate Google Chrome? (Part 8)26How to use PuppeteerSharp in C# to automate Google Chrome? (Part 9)27How to use PuppeteerSharp in C# to automate Google Chrome? (Part 10)28How to use PuppeteerSharp in C# to automate Google Chrome? (Part 11)29How to use PuppeteerSharp in C# to automate Google Chrome? (Part 12)30How to use PuppeteerSharp in C# to automate Google Chrome? (Part 13)31How to use PuppeteerSharp in C# to automate Google Chrome? (Part 14)32How to use PuppeteerSharp in C# to automate Google Chrome? (Part 15)33How to use PuppeteerSharp in C# to automate Google Chrome? (Part 16)34How to use PuppeteerSharp in C# to automate Google Chrome? (Part 17)35How to use PuppeteerSharp in C# to automate Google Chrome? (Part 18)

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EmulateMediaTypeAsync

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1using System.Threading.Tasks;2using PuppeteerSharp;3{4 {5 static async Task Main(string[] args)6 {7 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);8 using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true }))9 using (var page = await browser.NewPageAsync())10 {11 await page.EmulateMediaTypeAsync(MediaType.Screen);12 await page.ScreenshotAsync("screenshot.png");13 }14 }15 }16}

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EmulateMediaTypeAsync

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1await page.EmulateMediaTypeAsync(MediaType.Print);2await page.EmulateMediaTypeAsync(MediaType.Screen);3await page.EmulateMediaTypeAsync(MediaType.Speech);4await page.EmulateMediaTypeAsync(MediaType.None);5await page.EmulateMediaTypeAsync(MediaType.Unknown);6await page.EmulateMediaTypeAsync(MediaType.Custom);7await page.EmulateMediaTypeAsync(MediaType.Print);8await page.EmulateMediaTypeAsync(MediaType.Screen);9await page.EmulateMediaTypeAsync(MediaType.Speech);10await page.EmulateMediaTypeAsync(MediaType.None);11await page.EmulateMediaTypeAsync(MediaType.Unknown);12await page.EmulateMediaTypeAsync(MediaType.Custom);13await page.EmulateMediaTypeAsync(MediaType.Print);14await page.EmulateMediaTypeAsync(MediaType.Screen);15await page.EmulateMediaTypeAsync(MediaType.Speech);

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EmulateMediaTypeAsync

Using AI Code Generation

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1var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });2var page = await browser.NewPageAsync();3await page.EmulateMediaTypeAsync(MediaType.Screen);4await page.ScreenshotAsync("1.png", new ScreenshotOptions { FullPage = true });5await browser.CloseAsync();6var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });7var page = await browser.NewPageAsync();8await page.EmulateMediaTypeAsync(MediaType.Print);9await page.ScreenshotAsync("2.png", new ScreenshotOptions { FullPage = true });10await browser.CloseAsync();11var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });12var page = await browser.NewPageAsync();13await page.EmulateMediaTypeAsync(null);14await page.ScreenshotAsync("3.png", new ScreenshotOptions { FullPage = true });15await browser.CloseAsync();16Recommended Posts: PuppeteerSharp | EmulateMediaAsync() Method17PuppeteerSharp | EmulateTimezoneAsync() Method18PuppeteerSharp | EmulateVisionDeficiencyAsync() Method19PuppeteerSharp | EmulateAsync() Method20PuppeteerSharp | EmulateMediaAsync() Method21PuppeteerSharp | EmulateTimezoneAsync() Method22PuppeteerSharp | EmulateVisionDeficiencyAsync() Method23PuppeteerSharp | EmulateAsync() Method24PuppeteerSharp | EmulateMediaAsync() Method25PuppeteerSharp | EmulateTimezoneAsync() Method26PuppeteerSharp | EmulateVisionDeficiencyAsync() Method27PuppeteerSharp | EmulateAsync() Method28PuppeteerSharp | EmulateMediaAsync() Method29PuppeteerSharp | EmulateTimezoneAsync() Method

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EmulateMediaTypeAsync

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;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.Print);14 await page.PdfAsync("print.pdf")

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EmulateMediaTypeAsync

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using System.IO;5{6 {7 static void Main(string[] args)8 {9 MainAsync().Wait();10 }11 private static async Task MainAsync()12 {13 var browser = await Puppeteer.LaunchAsync(new LaunchOptions14 {15 });16 var page = await browser.NewPageAsync();17 await page.EmulateMediaTypeAsync(MediaType.Screen);18 await page.ScreenshotAsync("google.png");19 await browser.CloseAsync();20 }21 }22}23using System;24using System.Threading.Tasks;25using PuppeteerSharp;26using System.IO;27{28 {29 static void Main(string[] args)30 {31 MainAsync().Wait();32 }33 private static async Task MainAsync()34 {35 var browser = await Puppeteer.LaunchAsync(new LaunchOptions36 {37 });38 var page = await browser.NewPageAsync();39 await page.EmulateMediaTypeAsync(MediaType.Print);40 await page.ScreenshotAsync("google.png");41 await browser.CloseAsync();42 }43 }44}45using System;46using System.Threading.Tasks;47using PuppeteerSharp;48using System.IO;49{50 {51 static void Main(string[] args)52 {53 MainAsync().Wait();54 }55 private static async Task MainAsync()56 {57 var browser = await Puppeteer.LaunchAsync(new LaunchOptions58 {59 });60 var page = await browser.NewPageAsync();61 await page.EmulateMediaTypeAsync(MediaType.Print);62 await page.SetContentAsync("<html><body><div style='width: 100px; height: 100px; background-color: blue;'></div></body></html>");63 await page.ScreenshotAsync("blue.png");

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EmulateMediaTypeAsync

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 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);9 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });10 var page = await browser.NewPageAsync();11 await page.EmulateMediaTypeAsync(MediaType.Screen);12 await page.ScreenshotAsync("google.png");13 await browser.CloseAsync();14 }15 }16}

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EmulateMediaTypeAsync

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 LaunchOptions9 {10 });11 var page = await browser.NewPageAsync();12 await page.EmulateMediaTypeAsync(MediaType.Screen);13 await page.ScreenshotAsync("screenshot.png");14 await browser.CloseAsync();15 }16 }17}

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