How to use AddStyleTag method of PuppeteerSharp.Frame class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Frame.AddStyleTag

Page.cs

Source:Page.cs

...443        /// Adds a <c><![CDATA[<link rel="stylesheet">]]></c> tag into the page with the desired url or a <c><![CDATA[<link rel="stylesheet">]]></c> tag with the content444        /// </summary>445        /// <param name="options">add style tag options</param>446        /// <remarks>447        /// Shortcut for <c>page.MainFrame.AddStyleTagAsync(options)</c>448        /// </remarks>449        /// <returns>Task which resolves to the added tag when the stylesheet's onload fires or when the CSS content was injected into frame</returns>450        /// <seealso cref="Frame.AddStyleTag(AddTagOptions)"/>451        public Task<ElementHandle> AddStyleTagAsync(AddTagOptions options) => MainFrame.AddStyleTag(options);452        /// <summary>453        /// Adds a <c><![CDATA[<link rel="stylesheet">]]></c> tag into the page with the desired url or a <c><![CDATA[<link rel="stylesheet">]]></c> tag with the content454        /// </summary>455        /// <param name="url">stylesheel url</param>456        /// <remarks>457        /// Shortcut for <c>page.MainFrame.AddStyleTagAsync(new AddTagOptions { Url = url })</c>458        /// </remarks>459        /// <returns>Task which resolves to the added tag when the stylesheet's onload fires or when the CSS content was injected into frame</returns>460        public Task<ElementHandle> AddStyleTagAsync(string url) => AddStyleTagAsync(new AddTagOptions { Url = url });461        /// <summary>462        /// Adds a function called <c>name</c> on the page's <c>window</c> object.463        /// When called, the function executes <paramref name="puppeteerFunction"/> in C# and returns a <see cref="Task"/> which resolves when <paramref name="puppeteerFunction"/> completes.464        /// </summary>465        /// <param name="name">Name of the function on the window object</param>466        /// <param name="puppeteerFunction">Callback function which will be called in Puppeteer's context.</param>467        /// <remarks>468        /// If the <paramref name="puppeteerFunction"/> returns a <see cref="Task"/>, it will be awaited.469        /// Functions installed via <see cref="ExposeFunctionAsync(string, Action)"/> survive navigations470        /// </remarks>471        /// <returns>Task</returns>472        public Task ExposeFunctionAsync(string name, Action puppeteerFunction)473            => ExposeFunctionAsync(name, (Delegate)puppeteerFunction);474        /// <summary>...

Frame.cs

Source:Frame.cs

...323        /// Adds a <c><![CDATA[<link rel="stylesheet">]]></c> tag into the page with the desired url or a <c><![CDATA[<link rel="stylesheet">]]></c> tag with the content324        /// </summary>325        /// <param name="options">add style tag options</param>326        /// <returns>Task which resolves to the added tag when the stylesheet's onload fires or when the CSS content was injected into frame</returns>327        /// <seealso cref="Page.AddStyleTagAsync(AddTagOptions)"/>328        /// <seealso cref="Page.AddStyleTagAsync(string)"/>329        [Obsolete("Use AddStyleTagAsync instead")]330        public Task<ElementHandle> AddStyleTag(AddTagOptions options) => MainWorld.AddStyleTagAsync(options);331        /// <summary>332        /// Adds a <c><![CDATA[<script>]]></c> tag into the page with the desired url or content333        /// </summary>334        /// <param name="options">add script tag options</param>335        /// <returns>Task which resolves to the added tag when the script's onload fires or when the script content was injected into frame</returns>336        /// <seealso cref="Page.AddScriptTagAsync(AddTagOptions)"/>337        /// <seealso cref="Page.AddScriptTagAsync(string)"/>338        [Obsolete("Use AddScriptTagAsync instead")]339        public Task<ElementHandle> AddScriptTag(AddTagOptions options) => MainWorld.AddScriptTagAsync(options);340        /// <summary>341        /// Adds a <c><![CDATA[<link rel="stylesheet">]]></c> tag into the page with the desired url or a <c><![CDATA[<link rel="stylesheet">]]></c> tag with the content342        /// </summary>343        /// <param name="options">add style tag options</param>344        /// <returns>Task which resolves to the added tag when the stylesheet's onload fires or when the CSS content was injected into frame</returns>345        /// <seealso cref="Page.AddStyleTagAsync(AddTagOptions)"/>346        /// <seealso cref="Page.AddStyleTagAsync(string)"/>347        public Task<ElementHandle> AddStyleTagAsync(AddTagOptions options) => MainWorld.AddStyleTagAsync(options);348        /// <summary>349        /// Adds a <c><![CDATA[<script>]]></c> tag into the page with the desired url or content350        /// </summary>351        /// <param name="options">add script tag options</param>352        /// <returns>Task which resolves to the added tag when the script's onload fires or when the script content was injected into frame</returns>353        /// <seealso cref="Page.AddScriptTagAsync(AddTagOptions)"/>354        /// <seealso cref="Page.AddScriptTagAsync(string)"/>355        public Task<ElementHandle> AddScriptTagAsync(AddTagOptions options) => MainWorld.AddScriptTagAsync(options);356        /// <summary>357        /// Gets the full HTML contents of the page, including the doctype.358        /// </summary>359        /// <returns>Task which resolves to the HTML content.</returns>360        /// <seealso cref="Page.GetContentAsync"/>361        public Task<string> GetContentAsync() => SecondaryWorld.GetContentAsync();...

AddStyleTag

Using AI Code Generation

1using System.Threading.Tasks;2using PuppeteerSharp;3using System.IO;4using System;5{6    {7        static async Task Main(string[] args)8        {9            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);10            await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);11            var browser = await Puppeteer.LaunchAsync(new LaunchOptions12            {13            });14            var page = await browser.NewPageAsync();15            await page.GoToAsync(url);16            await page.AddStyleTagAsync(new AddTagOptions { Content = "body {background-color: red;}" });17            await page.ScreenshotAsync("screenshot.png");18            await browser.CloseAsync();19        }20    }21}

AddStyleTag

Using AI Code Generation

1var frame = await page.GetMainFrameAsync();2await frame.AddStyleTagAsync(new AddTagOptions3{4    Content = "body { background-color: green; }"5});6var frame = await page.GetMainFrameAsync();7await frame.AddStyleTagAsync(new AddTagOptions8{9});10var frame = await page.GetMainFrameAsync();11await frame.AddStyleTagAsync(new AddTagOptions12{13});14var frame = await page.GetMainFrameAsync();15await frame.AddStyleTagAsync(new AddTagOptions16{17});18var frame = await page.GetMainFrameAsync();19await frame.AddStyleTagAsync(new AddTagOptions20{21    Content = "body { background-color: green; }"22});23var frame = await page.GetMainFrameAsync();24await frame.AddStyleTagAsync(new AddTagOptions25{26    Content = "body { background-color: green; }",27});28var frame = await page.GetMainFrameAsync();29await frame.AddStyleTagAsync(new AddTag

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