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How to use PageEmulateMediaOptions class of Microsoft.Playwright package

Best Playwright-dotnet code snippet using Microsoft.Playwright.PageEmulateMediaOptions

IPage.cs

Source:IPage.cs

...518        /// // â true<br/>519        /// await page.EvaluateAsync("() =&gt; matchMedia('print').matches");<br/>520        /// // â false<br/>521        /// <br/>522        /// await page.EmulateMediaAsync(new PageEmulateMediaOptions { Media = Media.Print });<br/>523        /// await page.EvaluateAsync("() =&gt; matchMedia('screen').matches");<br/>524        /// // â false<br/>525        /// await page.EvaluateAsync("() =&gt; matchMedia('print').matches");<br/>526        /// // â true<br/>527        /// <br/>528        /// await page.EmulateMediaAsync(new PageEmulateMediaOptions { Media = Media.Screen });<br/>529        /// await page.EvaluateAsync("() =&gt; matchMedia('screen').matches");<br/>530        /// // â true<br/>531        /// await page.EvaluateAsync("() =&gt; matchMedia('print').matches");<br/>532        /// // â false533        /// </code>534        /// <code>535        /// await page.EmulateMediaAsync(new PageEmulateMediaOptions { ColorScheme = ColorScheme.Dark });<br/>536        /// await page.EvaluateAsync("matchMedia('(prefers-color-scheme: dark)').matches");<br/>537        /// // â true<br/>538        /// await page.EvaluateAsync("matchMedia('(prefers-color-scheme: light)').matches");<br/>539        /// // â false<br/>540        /// await page.EvaluateAsync("matchMedia('(prefers-color-scheme: no-preference)').matches");<br/>541        /// // â false542        /// </code>543        /// </summary>544        /// <param name="options">Call options</param>545        Task EmulateMediaAsync(PageEmulateMediaOptions? options = default);546        /// <summary>547        /// <para>548        /// The method finds an element matching the specified selector within the page and549        /// passes it as a first argument to <paramref name="expression"/>. If no elements match550        /// the selector, the method throws an error. Returns the value of <paramref name="expression"/>.551        /// </para>552        /// <para>553        /// If <paramref name="expression"/> returns a <see cref="Task"/>, then <see cref="IPage.EvalOnSelectorAsync"/>554        /// would wait for the promise to resolve and return its value.555        /// </para>556        /// <para>Examples:</para>557        /// <code>558        /// var searchValue = await page.EvalOnSelectorAsync&lt;string&gt;("#search", "el =&gt; el.value");<br/>559        /// var preloadHref = await page.EvalOnSelectorAsync&lt;string&gt;("link[rel=preload]", "el =&gt; el.href");<br/>560        /// var html = await page.EvalOnSelectorAsync(".main-container", "(e, suffix) =&gt; e.outerHTML + suffix", "hello");561        /// </code>562        /// <para>Shortcut for main frame's <see cref="IFrame.EvalOnSelectorAsync"/>.</para>563        /// </summary>564        /// <remarks>565        /// <para>566        /// This method does not wait for the element to pass actionability checks and therefore567        /// can lead to the flaky tests. Use <see cref="ILocator.EvaluateAsync"/>, other <see568        /// cref="ILocator"/> helper methods or web-first assertions instead.569        /// </para>570        /// </remarks>571        /// <param name="selector">572        /// A selector to query for. See <a href="https://playwright.dev/dotnet/docs/selectors">working573        /// with selectors</a> for more details.574        /// </param>575        /// <param name="expression">576        /// JavaScript expression to be evaluated in the browser context. If it looks like a577        /// function declaration, it is interpreted as a function. Otherwise, evaluated as an578        /// expression.579        /// </param>580        /// <param name="arg">Optional argument to pass to <paramref name="expression"/>.</param>581        /// <param name="options">Call options</param>582        Task<T> EvalOnSelectorAsync<T>(string selector, string expression, object? arg = default, PageEvalOnSelectorOptions? options = default);583        /// <summary>584        /// <para>585        /// The method finds all elements matching the specified selector within the page and586        /// passes an array of matched elements as a first argument to <paramref name="expression"/>.587        /// Returns the result of <paramref name="expression"/> invocation.588        /// </para>589        /// <para>590        /// If <paramref name="expression"/> returns a <see cref="Task"/>, then <see cref="IPage.EvalOnSelectorAllAsync"/>591        /// would wait for the promise to resolve and return its value.592        /// </para>593        /// <para>Examples:</para>594        /// <code>var divsCount = await page.EvalOnSelectorAllAsync&lt;bool&gt;("div", "(divs, min) =&gt; divs.length &gt;= min", 10);</code>595        /// </summary>596        /// <remarks>597        /// <para>598        /// In most cases, <see cref="ILocator.EvaluateAllAsync"/>, other <see cref="ILocator"/>599        /// helper methods and web-first assertions do a better job.600        /// </para>601        /// </remarks>602        /// <param name="selector">603        /// A selector to query for. See <a href="https://playwright.dev/dotnet/docs/selectors">working604        /// with selectors</a> for more details.605        /// </param>606        /// <param name="expression">607        /// JavaScript expression to be evaluated in the browser context. If it looks like a608        /// function declaration, it is interpreted as a function. Otherwise, evaluated as an609        /// expression.610        /// </param>611        /// <param name="arg">Optional argument to pass to <paramref name="expression"/>.</param>612        Task<T> EvalOnSelectorAllAsync<T>(string selector, string expression, object? arg = default);613        /// <summary>614        /// <para>Returns the value of the <paramref name="expression"/> invocation.</para>615        /// <para>616        /// If the function passed to the <see cref="IPage.EvaluateAsync"/> returns a <see cref="Task"/>,617        /// then <see cref="IPage.EvaluateAsync"/> would wait for the promise to resolve and618        /// return its value.619        /// </para>620        /// <para>621        /// If the function passed to the <see cref="IPage.EvaluateAsync"/> returns a non-<see622        /// cref="Serializable"/> value, then <see cref="IPage.EvaluateAsync"/> resolves to623        /// <c>undefined</c>. Playwright also supports transferring some additional values that624        /// are not serializable by <c>JSON</c>: <c>-0</c>, <c>NaN</c>, <c>Infinity</c>, <c>-Infinity</c>.625        /// </para>626        /// <para>Passing argument to <paramref name="expression"/>:</para>627        /// <code>628        /// var result = await page.EvaluateAsync&lt;int&gt;("([x, y]) =&gt; Promise.resolve(x * y)", new[] { 7, 8 });<br/>629        /// Console.WriteLine(result);630        /// </code>631        /// <para>A string can also be passed in instead of a function:</para>632        /// <code>Console.WriteLine(await page.EvaluateAsync&lt;int&gt;("1 + 2")); // prints "3"</code>633        /// <para>634        /// <see cref="IElementHandle"/> instances can be passed as an argument to the <see635        /// cref="IPage.EvaluateAsync"/>:636        /// </para>637        /// <code>638        /// var bodyHandle = await page.EvaluateAsync("document.body");<br/>639        /// var html = await page.EvaluateAsync&lt;string&gt;("([body, suffix]) =&gt; body.innerHTML + suffix", new object [] { bodyHandle, "hello" });<br/>640        /// await bodyHandle.DisposeAsync();641        /// </code>642        /// <para>Shortcut for main frame's <see cref="IFrame.EvaluateAsync"/>.</para>643        /// </summary>644        /// <param name="expression">645        /// JavaScript expression to be evaluated in the browser context. If it looks like a646        /// function declaration, it is interpreted as a function. Otherwise, evaluated as an647        /// expression.648        /// </param>649        /// <param name="arg">Optional argument to pass to <paramref name="expression"/>.</param>650        Task<T> EvaluateAsync<T>(string expression, object? arg = default);651        /// <summary>652        /// <para>Returns the value of the <paramref name="expression"/> invocation as a <see cref="IJSHandle"/>.</para>653        /// <para>654        /// The only difference between <see cref="IPage.EvaluateAsync"/> and <see cref="IPage.EvaluateHandleAsync"/>655        /// is that <see cref="IPage.EvaluateHandleAsync"/> returns <see cref="IJSHandle"/>.656        /// </para>657        /// <para>658        /// If the function passed to the <see cref="IPage.EvaluateHandleAsync"/> returns a659        /// <see cref="Task"/>, then <see cref="IPage.EvaluateHandleAsync"/> would wait for660        /// the promise to resolve and return its value.661        /// </para>662        /// <code>663        /// // Handle for the window object.<br/>664        /// var aWindowHandle = await page.EvaluateHandleAsync("() =&gt; Promise.resolve(window)");665        /// </code>666        /// <para>A string can also be passed in instead of a function:</para>667        /// <code>var docHandle = await page.EvaluateHandleAsync("document"); // Handle for the `document`</code>668        /// <para><see cref="IJSHandle"/> instances can be passed as an argument to the <see cref="IPage.EvaluateHandleAsync"/>:</para>669        /// <code>670        /// var handle = await page.EvaluateHandleAsync("() =&gt; document.body");<br/>671        /// var resultHandle = await page.EvaluateHandleAsync("([body, suffix]) =&gt; body.innerHTML + suffix", new object[] { handle, "hello" });<br/>672        /// Console.WriteLine(await resultHandle.JsonValueAsync&lt;string&gt;());<br/>673        /// await resultHandle.DisposeAsync();674        /// </code>675        /// </summary>676        /// <param name="expression">677        /// JavaScript expression to be evaluated in the browser context. If it looks like a678        /// function declaration, it is interpreted as a function. Otherwise, evaluated as an679        /// expression.680        /// </param>681        /// <param name="arg">Optional argument to pass to <paramref name="expression"/>.</param>682        Task<IJSHandle> EvaluateHandleAsync(string expression, object? arg = default);683        /// <summary>684        /// <para>685        /// The method adds a function called <paramref name="name"/> on the <c>window</c> object686        /// of every frame in this page. When called, the function executes <paramref name="callback"/>687        /// and returns a <see cref="Task"/> which resolves to the return value of <paramref688        /// name="callback"/>. If the <paramref name="callback"/> returns a <see cref="Promise"/>,689        /// it will be awaited.690        /// </para>691        /// <para>692        /// The first argument of the <paramref name="callback"/> function contains information693        /// about the caller: <c>{ browserContext: BrowserContext, page: Page, frame: Frame694        /// }</c>.695        /// </para>696        /// <para>See <see cref="IBrowserContext.ExposeBindingAsync"/> for the context-wide version.</para>697        /// <para>An example of exposing page URL to all frames in a page:</para>698        /// <code>699        /// using Microsoft.Playwright;<br/>700        /// using System.Threading.Tasks;<br/>701        /// <br/>702        /// class PageExamples<br/>703        /// {<br/>704        ///     public static async Task Main()<br/>705        ///     {<br/>706        ///         using var playwright = await Playwright.CreateAsync();<br/>707        ///         await using var browser = await playwright.Webkit.LaunchAsync(new BrowserTypeLaunchOptions<br/>708        ///         {<br/>709        ///             Headless: false<br/>710        ///         });<br/>711        ///         var page = await browser.NewPageAsync();<br/>712        /// <br/>713        ///         await page.ExposeBindingAsync("pageUrl", (source) =&gt; source.Page.Url);<br/>714        ///         await page.SetContentAsync("&lt;script&gt;\n" +<br/>715        ///         "  async function onClick() {\n" +<br/>716        ///         "    document.querySelector('div').textContent = await window.pageURL();\n" +<br/>717        ///         "  }\n" +<br/>718        ///         "&lt;/script&gt;\n" +<br/>719        ///         "&lt;button onclick=\"onClick()\"&gt;Click me&lt;/button&gt;\n" +<br/>720        ///         "&lt;div&gt;&lt;/div&gt;");<br/>721        /// <br/>722        ///         await page.ClickAsync("button");<br/>723        ///     }<br/>724        /// }725        /// </code>726        /// <para>An example of passing an element handle:</para>727        /// <code>728        /// var result = new TaskCompletionSource&lt;string&gt;();<br/>729        /// await page.ExposeBindingAsync("clicked", async (BindingSource _, IJSHandle t) =&gt;<br/>730        /// {<br/>731        ///     return result.TrySetResult(await t.AsElement().TextContentAsync());<br/>732        /// });<br/>733        /// <br/>734        /// await page.SetContentAsync("&lt;script&gt;\n" +<br/>735        ///   "  document.addEventListener('click', event =&gt; window.clicked(event.target));\n" +<br/>736        ///   "&lt;/script&gt;\n" +<br/>737        ///   "&lt;div&gt;Click me&lt;/div&gt;\n" +<br/>738        ///   "&lt;div&gt;Or click me&lt;/div&gt;\n");<br/>739        /// <br/>740        /// await page.ClickAsync("div");<br/>741        /// Console.WriteLine(await result.Task);742        /// </code>743        /// </summary>744        /// <remarks><para>Functions installed via <see cref="IPage.ExposeBindingAsync"/> survive navigations.</para></remarks>745        /// <param name="name">Name of the function on the window object.</param>746        /// <param name="callback">Callback function that will be called in the Playwright's context.</param>747        /// <param name="options">Call options</param>748        Task ExposeBindingAsync(string name, Action callback, PageExposeBindingOptions? options = default);749        /// <summary>750        /// <para>751        /// The method adds a function called <paramref name="name"/> on the <c>window</c> object752        /// of every frame in the page. When called, the function executes <paramref name="callback"/>753        /// and returns a <see cref="Task"/> which resolves to the return value of <paramref754        /// name="callback"/>.755        /// </para>756        /// <para>If the <paramref name="callback"/> returns a <see cref="Task"/>, it will be awaited.</para>757        /// <para>See <see cref="IBrowserContext.ExposeFunctionAsync"/> for context-wide exposed function.</para>758        /// <para>An example of adding a <c>sha256</c> function to the page:</para>759        /// <code>760        /// using Microsoft.Playwright;<br/>761        /// using System;<br/>762        /// using System.Security.Cryptography;<br/>763        /// using System.Threading.Tasks;<br/>764        /// <br/>765        /// class PageExamples<br/>766        /// {<br/>767        ///     public static async Task Main()<br/>768        ///     {<br/>769        ///         using var playwright = await Playwright.CreateAsync();<br/>770        ///         await using var browser = await playwright.Webkit.LaunchAsync(new BrowserTypeLaunchOptions<br/>771        ///         {<br/>772        ///             Headless: false<br/>773        ///         });<br/>774        ///         var page = await browser.NewPageAsync();<br/>775        /// <br/>776        ///         await page.ExposeFunctionAsync("sha256", (string input) =&gt;<br/>777        ///         {<br/>778        ///             return Convert.ToBase64String(<br/>779        ///                 SHA256.Create().ComputeHash(System.Text.Encoding.UTF8.GetBytes(input)));<br/>780        ///         });<br/>781        /// <br/>782        ///         await page.SetContentAsync("&lt;script&gt;\n" +<br/>783        ///         "  async function onClick() {\n" +<br/>784        ///         "    document.querySelector('div').textContent = await window.sha256('PLAYWRIGHT');\n" +<br/>785        ///         "  }\n" +<br/>786        ///         "&lt;/script&gt;\n" +<br/>787        ///         "&lt;button onclick=\"onClick()\"&gt;Click me&lt;/button&gt;\n" +<br/>788        ///         "&lt;div&gt;&lt;/div&gt;");<br/>789        /// <br/>790        ///         await page.ClickAsync("button");<br/>791        ///         Console.WriteLine(await page.TextContentAsync("div"));<br/>792        ///     }<br/>793        /// }794        /// </code>795        /// </summary>796        /// <remarks><para>Functions installed via <see cref="IPage.ExposeFunctionAsync"/> survive navigations.</para></remarks>797        /// <param name="name">Name of the function on the window object</param>798        /// <param name="callback">Callback function which will be called in Playwright's context.</param>799        Task ExposeFunctionAsync(string name, Action callback);800        /// <summary>801        /// <para>802        /// This method waits for an element matching <paramref name="selector"/>, waits for803        /// <a href="https://playwright.dev/dotnet/docs/actionability">actionability</a> checks,804        /// focuses the element, fills it and triggers an <c>input</c> event after filling.805        /// Note that you can pass an empty string to clear the input field.806        /// </para>807        /// <para>808        /// If the target element is not an <c>&lt;input&gt;</c>, <c>&lt;textarea&gt;</c> or809        /// <c>[contenteditable]</c> element, this method throws an error. However, if the element810        /// is inside the <c>&lt;label&gt;</c> element that has an associated <a href="https://developer.mozilla.org/en-US/docs/Web/API/HTMLLabelElement/control">control</a>,811        /// the control will be filled instead.812        /// </para>813        /// <para>To send fine-grained keyboard events, use <see cref="IPage.TypeAsync"/>.</para>814        /// <para>Shortcut for main frame's <see cref="IFrame.FillAsync"/>.</para>815        /// </summary>816        /// <param name="selector">817        /// A selector to search for an element. If there are multiple elements satisfying the818        /// selector, the first will be used. See <a href="https://playwright.dev/dotnet/docs/selectors">working819        /// with selectors</a> for more details.820        /// </param>821        /// <param name="value">822        /// Value to fill for the <c>&lt;input&gt;</c>, <c>&lt;textarea&gt;</c> or <c>[contenteditable]</c>823        /// element.824        /// </param>825        /// <param name="options">Call options</param>826        Task FillAsync(string selector, string value, PageFillOptions? options = default);827        /// <summary>828        /// <para>829        /// This method fetches an element with <paramref name="selector"/> and focuses it.830        /// If there's no element matching <paramref name="selector"/>, the method waits until831        /// a matching element appears in the DOM.832        /// </para>833        /// <para>Shortcut for main frame's <see cref="IFrame.FocusAsync"/>.</para>834        /// </summary>835        /// <param name="selector">836        /// A selector to search for an element. If there are multiple elements satisfying the837        /// selector, the first will be used. See <a href="https://playwright.dev/dotnet/docs/selectors">working838        /// with selectors</a> for more details.839        /// </param>840        /// <param name="options">Call options</param>841        Task FocusAsync(string selector, PageFocusOptions? options = default);842        /// <summary>843        /// <para>844        /// Returns frame matching the specified criteria. Either <c>name</c> or <c>url</c>845        /// must be specified.846        /// </para>847        /// <code>var frame = page.Frame("frame-name");</code>848        /// <code>var frame = page.FrameByUrl(".*domain.*");</code>849        /// </summary>850        /// <param name="name">Frame name specified in the <c>iframe</c>'s <c>name</c> attribute.</param>851        IFrame? Frame(string name);852        /// <summary><para>Returns frame with matching URL.</para></summary>853        /// <param name="url">854        /// A glob pattern, regex pattern or predicate receiving frame's <c>url</c> as a <see855        /// cref="URL"/> object.856        /// </param>857        IFrame? FrameByUrl(string url);858        /// <summary><para>Returns frame with matching URL.</para></summary>859        /// <param name="url">860        /// A glob pattern, regex pattern or predicate receiving frame's <c>url</c> as a <see861        /// cref="URL"/> object.862        /// </param>863        IFrame? FrameByUrl(Regex url);864        /// <summary><para>Returns frame with matching URL.</para></summary>865        /// <param name="url">866        /// A glob pattern, regex pattern or predicate receiving frame's <c>url</c> as a <see867        /// cref="URL"/> object.868        /// </param>869        IFrame? FrameByUrl(Func<string, bool> url);870        /// <summary>871        /// <para>872        /// When working with iframes, you can create a frame locator that will enter the iframe873        /// and allow selecting elements in that iframe. Following snippet locates element with874        /// text "Submit" in the iframe with id <c>my-frame</c>, like <c>&lt;iframe id="my-frame"&gt;</c>:875        /// </para>876        /// <code>877        /// var locator = page.FrameLocator("#my-iframe").Locator("text=Submit");<br/>878        /// await locator.ClickAsync();879        /// </code>880        /// </summary>881        /// <param name="selector">882        /// A selector to use when resolving DOM element. See <a href="https://playwright.dev/dotnet/docs/selectors">working883        /// with selectors</a> for more details.884        /// </param>885        IFrameLocator FrameLocator(string selector);886        /// <summary><para>An array of all frames attached to the page.</para></summary>887        IReadOnlyList<IFrame> Frames { get; }888        /// <summary><para>Returns element attribute value.</para></summary>889        /// <param name="selector">890        /// A selector to search for an element. If there are multiple elements satisfying the891        /// selector, the first will be used. See <a href="https://playwright.dev/dotnet/docs/selectors">working892        /// with selectors</a> for more details.893        /// </param>894        /// <param name="name">Attribute name to get the value for.</param>895        /// <param name="options">Call options</param>896        Task<string?> GetAttributeAsync(string selector, string name, PageGetAttributeOptions? options = default);897        /// <summary>898        /// <para>899        /// Returns the main resource response. In case of multiple redirects, the navigation900        /// will resolve with the response of the last redirect. If can not go back, returns901        /// <c>null</c>.902        /// </para>903        /// <para>Navigate to the previous page in history.</para>904        /// </summary>905        /// <param name="options">Call options</param>906        Task<IResponse?> GoBackAsync(PageGoBackOptions? options = default);907        /// <summary>908        /// <para>909        /// Returns the main resource response. In case of multiple redirects, the navigation910        /// will resolve with the response of the last redirect. If can not go forward, returns911        /// <c>null</c>.912        /// </para>913        /// <para>Navigate to the next page in history.</para>914        /// </summary>915        /// <param name="options">Call options</param>916        Task<IResponse?> GoForwardAsync(PageGoForwardOptions? options = default);917        /// <summary>918        /// <para>919        /// Returns the main resource response. In case of multiple redirects, the navigation920        /// will resolve with the response of the last redirect.921        /// </para>922        /// <para>The method will throw an error if:</para>923        /// <list type="bullet">924        /// <item><description>there's an SSL error (e.g. in case of self-signed certificates).</description></item>925        /// <item><description>target URL is invalid.</description></item>926        /// <item><description>the <paramref name="timeout"/> is exceeded during navigation.</description></item>927        /// <item><description>the remote server does not respond or is unreachable.</description></item>928        /// <item><description>the main resource failed to load.</description></item>929        /// </list>930        /// <para>931        /// The method will not throw an error when any valid HTTP status code is returned by932        /// the remote server, including 404 "Not Found" and 500 "Internal Server Error".  The933        /// status code for such responses can be retrieved by calling <see cref="IResponse.Status"/>.934        /// </para>935        /// <para>Shortcut for main frame's <see cref="IFrame.GotoAsync"/></para>936        /// </summary>937        /// <remarks>938        /// <para>939        /// The method either throws an error or returns a main resource response. The only940        /// exceptions are navigation to <c>about:blank</c> or navigation to the same URL with941        /// a different hash, which would succeed and return <c>null</c>.942        /// </para>943        /// <para>944        /// Headless mode doesn't support navigation to a PDF document. See the <a href="https://bugs.chromium.org/p/chromium/issues/detail?id=761295">upstream945        /// issue</a>.946        /// </para>947        /// </remarks>948        /// <param name="url">949        /// URL to navigate page to. The url should include scheme, e.g. <c>https://</c>. When950        /// a <paramref name="baseURL"/> via the context options was provided and the passed951        /// URL is a path, it gets merged via the <a href="https://developer.mozilla.org/en-US/docs/Web/API/URL/URL"><c>new952        /// URL()</c></a> constructor.953        /// </param>954        /// <param name="options">Call options</param>955        Task<IResponse?> GotoAsync(string url, PageGotoOptions? options = default);956        /// <summary>957        /// <para>958        /// This method hovers over an element matching <paramref name="selector"/> by performing959        /// the following steps:960        /// </para>961        /// <list type="ordinal">962        /// <item><description>963        /// Find an element matching <paramref name="selector"/>. If there is none, wait until964        /// a matching element is attached to the DOM.965        /// </description></item>966        /// <item><description>967        /// Wait for <a href="https://playwright.dev/dotnet/docs/actionability">actionability</a>968        /// checks on the matched element, unless <paramref name="force"/> option is set. If969        /// the element is detached during the checks, the whole action is retried.970        /// </description></item>971        /// <item><description>Scroll the element into view if needed.</description></item>972        /// <item><description>973        /// Use <see cref="IPage.Mouse"/> to hover over the center of the element, or the specified974        /// <paramref name="position"/>.975        /// </description></item>976        /// <item><description>977        /// Wait for initiated navigations to either succeed or fail, unless <c>noWaitAfter</c>978        /// option is set.979        /// </description></item>980        /// </list>981        /// <para>982        /// When all steps combined have not finished during the specified <paramref name="timeout"/>,983        /// this method throws a <see cref="TimeoutException"/>. Passing zero timeout disables984        /// this.985        /// </para>986        /// <para>Shortcut for main frame's <see cref="IFrame.HoverAsync"/>.</para>987        /// </summary>988        /// <param name="selector">989        /// A selector to search for an element. If there are multiple elements satisfying the990        /// selector, the first will be used. See <a href="https://playwright.dev/dotnet/docs/selectors">working991        /// with selectors</a> for more details.992        /// </param>993        /// <param name="options">Call options</param>994        Task HoverAsync(string selector, PageHoverOptions? options = default);995        /// <summary><para>Returns <c>element.innerHTML</c>.</para></summary>996        /// <param name="selector">997        /// A selector to search for an element. If there are multiple elements satisfying the998        /// selector, the first will be used. See <a href="https://playwright.dev/dotnet/docs/selectors">working999        /// with selectors</a> for more details.1000        /// </param>1001        /// <param name="options">Call options</param>1002        Task<string> InnerHTMLAsync(string selector, PageInnerHTMLOptions? options = default);1003        /// <summary><para>Returns <c>element.innerText</c>.</para></summary>1004        /// <param name="selector">1005        /// A selector to search for an element. If there are multiple elements satisfying the1006        /// selector, the first will be used. See <a href="https://playwright.dev/dotnet/docs/selectors">working1007        /// with selectors</a> for more details.1008        /// </param>1009        /// <param name="options">Call options</param>1010        Task<string> InnerTextAsync(string selector, PageInnerTextOptions? options = default);1011        /// <summary>1012        /// <para>1013        /// Returns <c>input.value</c> for the selected <c>&lt;input&gt;</c> or <c>&lt;textarea&gt;</c>1014        /// or <c>&lt;select&gt;</c> element. Throws for non-input elements.1015        /// </para>1016        /// </summary>1017        /// <param name="selector">1018        /// A selector to search for an element. If there are multiple elements satisfying the1019        /// selector, the first will be used. See <a href="https://playwright.dev/dotnet/docs/selectors">working1020        /// with selectors</a> for more details.1021        /// </param>1022        /// <param name="options">Call options</param>1023        Task<string> InputValueAsync(string selector, PageInputValueOptions? options = default);1024        /// <summary>1025        /// <para>1026        /// Returns whether the element is checked. Throws if the element is not a checkbox1027        /// or radio input.1028        /// </para>1029        /// </summary>1030        /// <param name="selector">1031        /// A selector to search for an element. If there are multiple elements satisfying the1032        /// selector, the first will be used. See <a href="https://playwright.dev/dotnet/docs/selectors">working1033        /// with selectors</a> for more details.1034        /// </param>1035        /// <param name="options">Call options</param>1036        Task<bool> IsCheckedAsync(string selector, PageIsCheckedOptions? options = default);1037        /// <summary><para>Indicates that the page has been closed.</para></summary>1038        bool IsClosed { get; }1039        /// <summary><para>Returns whether the element is disabled, the opposite of <a href="https://playwright.dev/dotnet/docs/actionability#enabled">enabled</a>.</para></summary>1040        /// <param name="selector">1041        /// A selector to search for an element. If there are multiple elements satisfying the1042        /// selector, the first will be used. See <a href="https://playwright.dev/dotnet/docs/selectors">working1043        /// with selectors</a> for more details.1044        /// </param>1045        /// <param name="options">Call options</param>1046        Task<bool> IsDisabledAsync(string selector, PageIsDisabledOptions? options = default);1047        /// <summary><para>Returns whether the element is <a href="https://playwright.dev/dotnet/docs/actionability#editable">editable</a>.</para></summary>1048        /// <param name="selector">1049        /// A selector to search for an element. If there are multiple elements satisfying the1050        /// selector, the first will be used. See <a href="https://playwright.dev/dotnet/docs/selectors">working1051        /// with selectors</a> for more details.1052        /// </param>1053        /// <param name="options">Call options</param>1054        Task<bool> IsEditableAsync(string selector, PageIsEditableOptions? options = default);1055        /// <summary><para>Returns whether the element is <a href="https://playwright.dev/dotnet/docs/actionability#enabled">enabled</a>.</para></summary>1056        /// <param name="selector">1057        /// A selector to search for an element. If there are multiple elements satisfying the1058        /// selector, the first will be used. See <a href="https://playwright.dev/dotnet/docs/selectors">working1059        /// with selectors</a> for more details.1060        /// </param>1061        /// <param name="options">Call options</param>1062        Task<bool> IsEnabledAsync(string selector, PageIsEnabledOptions? options = default);1063        /// <summary>1064        /// <para>1065        /// Returns whether the element is hidden, the opposite of <a href="https://playwright.dev/dotnet/docs/actionability#visible">visible</a>.1066        /// <paramref name="selector"/> that does not match any elements is considered hidden.1067        /// </para>1068        /// </summary>1069        /// <param name="selector">1070        /// A selector to search for an element. If there are multiple elements satisfying the1071        /// selector, the first will be used. See <a href="https://playwright.dev/dotnet/docs/selectors">working1072        /// with selectors</a> for more details.1073        /// </param>1074        /// <param name="options">Call options</param>1075        Task<bool> IsHiddenAsync(string selector, PageIsHiddenOptions? options = default);1076        /// <summary>1077        /// <para>1078        /// Returns whether the element is <a href="https://playwright.dev/dotnet/docs/actionability#visible">visible</a>.1079        /// <paramref name="selector"/> that does not match any elements is considered not visible.1080        /// </para>1081        /// </summary>1082        /// <param name="selector">1083        /// A selector to search for an element. If there are multiple elements satisfying the1084        /// selector, the first will be used. See <a href="https://playwright.dev/dotnet/docs/selectors">working1085        /// with selectors</a> for more details.1086        /// </param>1087        /// <param name="options">Call options</param>1088        Task<bool> IsVisibleAsync(string selector, PageIsVisibleOptions? options = default);1089        public IKeyboard Keyboard { get; }1090        /// <summary>1091        /// <para>1092        /// The method returns an element locator that can be used to perform actions on the1093        /// page. Locator is resolved to the element immediately before performing an action,1094        /// so a series of actions on the same locator can in fact be performed on different1095        /// DOM elements. That would happen if the DOM structure between those actions has changed.1096        /// </para>1097        /// <para>Shortcut for main frame's <see cref="IFrame.Locator"/>.</para>1098        /// </summary>1099        /// <param name="selector">1100        /// A selector to use when resolving DOM element. See <a href="https://playwright.dev/dotnet/docs/selectors">working1101        /// with selectors</a> for more details.1102        /// </param>1103        /// <param name="options">Call options</param>1104        ILocator Locator(string selector, PageLocatorOptions? options = default);1105        /// <summary>1106        /// <para>1107        /// The page's main frame. Page is guaranteed to have a main frame which persists during1108        /// navigations.1109        /// </para>1110        /// </summary>1111        IFrame MainFrame { get; }1112        public IMouse Mouse { get; }1113        /// <summary>1114        /// <para>1115        /// Returns the opener for popup pages and <c>null</c> for others. If the opener has1116        /// been closed already the returns <c>null</c>.1117        /// </para>1118        /// </summary>1119        Task<IPage?> OpenerAsync();1120        /// <summary>1121        /// <para>1122        /// Pauses script execution. Playwright will stop executing the script and wait for1123        /// the user to either press 'Resume' button in the page overlay or to call <c>playwright.resume()</c>1124        /// in the DevTools console.1125        /// </para>1126        /// <para>1127        /// User can inspect selectors or perform manual steps while paused. Resume will continue1128        /// running the original script from the place it was paused.1129        /// </para>1130        /// </summary>1131        /// <remarks>1132        /// <para>1133        /// This method requires Playwright to be started in a headed mode, with a falsy <paramref1134        /// name="headless"/> value in the <see cref="IBrowserType.LaunchAsync"/>.1135        /// </para>1136        /// </remarks>1137        Task PauseAsync();1138        /// <summary>1139        /// <para>Returns the PDF buffer.</para>1140        /// <para>1141        /// <c>page.pdf()</c> generates a pdf of the page with <c>print</c> css media. To generate1142        /// a pdf with <c>screen</c> media, call <see cref="IPage.EmulateMediaAsync"/> before1143        /// calling <c>page.pdf()</c>:1144        /// </para>1145        /// <code>1146        /// // Generates a PDF with 'screen' media type<br/>1147        /// await page.EmulateMediaAsync(new PageEmulateMediaOptions { Media = Media.Screen });<br/>1148        /// await page.PdfAsync(new PagePdfOptions { Path = "page.pdf" });1149        /// </code>1150        /// <para>1151        /// The <paramref name="width"/>, <paramref name="height"/>, and <paramref name="margin"/>1152        /// options accept values labeled with units. Unlabeled values are treated as pixels.1153        /// </para>1154        /// <para>A few examples:</para>1155        /// <list type="bullet">1156        /// <item><description><c>page.pdf({width: 100})</c> - prints with width set to 100 pixels</description></item>1157        /// <item><description><c>page.pdf({width: '100px'})</c> - prints with width set to 100 pixels</description></item>1158        /// <item><description><c>page.pdf({width: '10cm'})</c> - prints with width set to 10 centimeters.</description></item>1159        /// </list>1160        /// <para>All possible units are:</para>1161        /// <list type="bullet">...

PageSynchronous.cs

Source:PageSynchronous.cs

...1161    /// calling <c>page.pdf()</c>:1162    /// </para>1163    /// <code>1164    /// // Generates a PDF with 'screen' media type<br/>1165    /// await page.EmulateMediaAsync(new PageEmulateMediaOptions { Media = Media.Screen });<br/>1166    /// await page.PdfAsync(new PagePdfOptions { Path = "page.pdf" });1167    /// </code>1168    /// <para>1169    /// The <paramref name="width"/>, <paramref name="height"/>, and <paramref name="margin"/>1170    /// options accept values labeled with units. Unlabeled values are treated as pixels.1171    /// </para>1172    /// <para>A few examples:</para>1173    /// <list type="bullet">1174    /// <item><description><c>page.pdf({width: 100})</c> - prints with width set to 100 pixels</description></item>1175    /// <item><description><c>page.pdf({width: '100px'})</c> - prints with width set to 100 pixels</description></item>1176    /// <item><description><c>page.pdf({width: '10cm'})</c> - prints with width set to 10 centimeters.</description></item>1177    /// </list>1178    /// <para>All possible units are:</para>1179    /// <list type="bullet">1180    /// <item><description><c>px</c> - pixel</description></item>1181    /// <item><description><c>in</c> - inch</description></item>1182    /// <item><description><c>cm</c> - centimeter</description></item>1183    /// <item><description><c>mm</c> - millimeter</description></item>1184    /// </list>1185    /// <para>The <paramref name="format"/> options are:</para>1186    /// <list type="bullet">1187    /// <item><description><c>Letter</c>: 8.5in x 11in</description></item>1188    /// <item><description><c>Legal</c>: 8.5in x 14in</description></item>1189    /// <item><description><c>Tabloid</c>: 11in x 17in</description></item>1190    /// <item><description><c>Ledger</c>: 17in x 11in</description></item>1191    /// <item><description><c>A0</c>: 33.1in x 46.8in</description></item>1192    /// <item><description><c>A1</c>: 23.4in x 33.1in</description></item>1193    /// <item><description><c>A2</c>: 16.54in x 23.4in</description></item>1194    /// <item><description><c>A3</c>: 11.7in x 16.54in</description></item>1195    /// <item><description><c>A4</c>: 8.27in x 11.7in</description></item>1196    /// <item><description><c>A5</c>: 5.83in x 8.27in</description></item>1197    /// <item><description><c>A6</c>: 4.13in x 5.83in</description></item>1198    /// </list>1199    /// </summary>1200    /// <remarks>1201    /// <para>Generating a pdf is currently only supported in Chromium headless.</para>1202    /// <para>1203    /// By default, <c>page.pdf()</c> generates a pdf with modified colors for printing.1204    /// Use the <a href="https://developer.mozilla.org/en-US/docs/Web/CSS/-webkit-print-color-adjust"><c>-webkit-print-color-adjust</c></a>1205    /// property to force rendering of exact colors.1206    /// </para>1207    /// <para>1208    /// <paramref name="headerTemplate"/> and <paramref name="footerTemplate"/> markup have1209    /// the following limitations: > 1. Script tags inside templates are not evaluated.1210    /// > 2. Page styles are not visible inside templates.1211    /// </para>1212    /// </remarks>1213    /// <param name="options">Call options</param>1214    public static byte[] Pdf(this IPage page, PagePdfOptions? options = null)1215    {1216        return page.PdfAsync(options).GetAwaiter().GetResult();1217    }1218    /// <summary><para>Returns the buffer with the captured screenshot.</para></summary>1219    /// <param name="options">Call options</param>1220    public static byte[] Screenshot(this IPage page, PageScreenshotOptions? options = null)1221    {1222        return page.ScreenshotAsync(options).GetAwaiter().GetResult();1223    }1224    /// <summary>1225    /// <para>Adds a script which would be evaluated in one of the following scenarios:</para>1226    /// <list type="bullet">1227    /// <item><description>Whenever the page is navigated.</description></item>1228    /// <item><description>1229    /// Whenever the child frame is attached or navigated. In this case, the script is evaluated1230    /// in the context of the newly attached frame.1231    /// </description></item>1232    /// </list>1233    /// <para>1234    /// The script is evaluated after the document was created but before any of its scripts1235    /// were run. This is useful to amend the JavaScript environment, e.g. to seed <c>Math.random</c>.1236    /// </para>1237    /// <para>An example of overriding <c>Math.random</c> before the page loads:</para>1238    /// <code>await page.AddInitScriptAsync(new PageAddInitScriptOption { ScriptPath = "./preload.js" });</code>1239    /// </summary>1240    /// <remarks>1241    /// <para>1242    /// The order of evaluation of multiple scripts installed via <see cref="IBrowserContext.AddInitScriptAsync"/>1243    /// and <see cref="IPage.AddInitScriptAsync"/> is not defined.1244    /// </para>1245    /// </remarks>1246    /// <param name="script">Script to be evaluated in all pages in the browser context.</param>1247    /// <param name="scriptPath">Instead of specifying <paramref name="script"/>, gives the file name to load from.</param>1248    public static IPage AddInitScript(this IPage page, string? script = null, string? scriptPath = null)1249    {1250        page.AddInitScriptAsync(script, scriptPath).GetAwaiter().GetResult();1251        return page;1252    }1253    /// <summary>1254    /// <para>1255    /// Adds a <c>&lt;script&gt;</c> tag into the page with the desired url or content.1256    /// Returns the added tag when the script's onload fires or when the script content1257    /// was injected into frame.1258    /// </para>1259    /// <para>Shortcut for main frame's <see cref="IFrame.AddScriptTagAsync"/>.</para>1260    /// </summary>1261    /// <param name="options">Call options</param>1262    public static IPage AddScriptTag(this IPage page, PageAddScriptTagOptions? options = null)1263    {1264        page.AddScriptTagAsync(options).GetAwaiter().GetResult();1265        return page;1266    }1267    /// <summary>1268    /// <para>1269    /// Adds a <c>&lt;link rel="stylesheet"&gt;</c> tag into the page with the desired url1270    /// or a <c>&lt;style type="text/css"&gt;</c> tag with the content. Returns the added1271    /// tag when the stylesheet's onload fires or when the CSS content was injected into1272    /// frame.1273    /// </para>1274    /// <para>Shortcut for main frame's <see cref="IFrame.AddStyleTagAsync"/>.</para>1275    /// </summary>1276    /// <param name="options">Call options</param>1277    public static IPage AddStyleTag(this IPage page, PageAddStyleTagOptions? options = null)1278    {1279        page.AddStyleTagAsync(options).GetAwaiter().GetResult();1280        return page;1281    }1282    /// <summary><para>Brings page to front (activates tab).</para></summary>1283    public static IPage BringToFront(this IPage page)1284    {1285        page.BringToFrontAsync().GetAwaiter().GetResult();1286        return page;1287    }1288    /// <summary>1289    /// <para>1290    /// The snippet below dispatches the <c>click</c> event on the element. Regardless of1291    /// the visibility state of the element, <c>click</c> is dispatched. This is equivalent1292    /// to calling <a href="https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/click">element.click()</a>.1293    /// </para>1294    /// <code>await page.DispatchEventAsync("button#submit", "click");</code>1295    /// <para>1296    /// Under the hood, it creates an instance of an event based on the given <paramref1297    /// name="type"/>, initializes it with <paramref name="eventInit"/> properties and dispatches1298    /// it on the element. Events are <c>composed</c>, <c>cancelable</c> and bubble by default.1299    /// </para>1300    /// <para>1301    /// Since <paramref name="eventInit"/> is event-specific, please refer to the events1302    /// documentation for the lists of initial properties:1303    /// </para>1304    /// <list type="bullet">1305    /// <item><description><a href="https://developer.mozilla.org/en-US/docs/Web/API/DragEvent/DragEvent">DragEvent</a></description></item>1306    /// <item><description><a href="https://developer.mozilla.org/en-US/docs/Web/API/FocusEvent/FocusEvent">FocusEvent</a></description></item>1307    /// <item><description><a href="https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/KeyboardEvent">KeyboardEvent</a></description></item>1308    /// <item><description><a href="https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/MouseEvent">MouseEvent</a></description></item>1309    /// <item><description><a href="https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent/PointerEvent">PointerEvent</a></description></item>1310    /// <item><description><a href="https://developer.mozilla.org/en-US/docs/Web/API/TouchEvent/TouchEvent">TouchEvent</a></description></item>1311    /// <item><description><a href="https://developer.mozilla.org/en-US/docs/Web/API/Event/Event">Event</a></description></item>1312    /// </list>1313    /// <para>1314    /// You can also specify <c>JSHandle</c> as the property value if you want live objects1315    /// to be passed into the event:1316    /// </para>1317    /// <code>1318    /// var dataTransfer = await page.EvaluateHandleAsync("() =&gt; new DataTransfer()");<br/>1319    /// await page.DispatchEventAsync("#source", "dragstart", new { dataTransfer });1320    /// </code>1321    /// </summary>1322    /// <param name="selector">1323    /// A selector to search for an element. If there are multiple elements satisfying the1324    /// selector, the first will be used. See <a href="./selectors.md">working with selectors</a>1325    /// for more details.1326    /// </param>1327    /// <param name="type">DOM event type: <c>"click"</c>, <c>"dragstart"</c>, etc.</param>1328    /// <param name="eventInit">Optional event-specific initialization properties.</param>1329    /// <param name="options">Call options</param>1330    public static IPage DispatchEvent(this IPage page, string selector, string type, object? eventInit = null, PageDispatchEventOptions? options = null)1331    {1332        page.DispatchEventAsync(selector, type, eventInit, options).GetAwaiter().GetResult();1333        return page;1334    }1335    /// <summary>1336    /// <para>1337    /// This method changes the <c>CSS media type</c> through the <c>media</c> argument,1338    /// and/or the <c>'prefers-colors-scheme'</c> media feature, using the <c>colorScheme</c>1339    /// argument.1340    /// </para>1341    /// <code>1342    /// await page.EvaluateAsync("() =&gt; matchMedia('screen').matches");<br/>1343    /// // â true<br/>1344    /// await page.EvaluateAsync("() =&gt; matchMedia('print').matches");<br/>1345    /// // â false<br/>1346    /// <br/>1347    /// await page.EmulateMediaAsync(new PageEmulateMediaOptions { Media = Media.Print });<br/>1348    /// await page.EvaluateAsync("() =&gt; matchMedia('screen').matches");<br/>1349    /// // â false<br/>1350    /// await page.EvaluateAsync("() =&gt; matchMedia('print').matches");<br/>1351    /// // â true<br/>1352    /// <br/>1353    /// await page.EmulateMediaAsync(new PageEmulateMediaOptions { Media = Media.Screen });<br/>1354    /// await page.EvaluateAsync("() =&gt; matchMedia('screen').matches");<br/>1355    /// // â true<br/>1356    /// await page.EvaluateAsync("() =&gt; matchMedia('print').matches");<br/>1357    /// // â false1358    /// </code>1359    /// <code>1360    /// await page.EmulateMediaAsync(new PageEmulateMediaOptions { ColorScheme = ColorScheme.Dark });<br/>1361    /// await page.EvaluateAsync("matchMedia('(prefers-color-scheme: dark)').matches");<br/>1362    /// // â true<br/>1363    /// await page.EvaluateAsync("matchMedia('(prefers-color-scheme: light)').matches");<br/>1364    /// // â false<br/>1365    /// await page.EvaluateAsync("matchMedia('(prefers-color-scheme: no-preference)').matches");<br/>1366    /// // â false1367    /// </code>1368    /// </summary>1369    /// <param name="options">Call options</param>1370    public static IPage EmulateMedia(this IPage page, PageEmulateMediaOptions? options = null)1371    {1372        page.EmulateMediaAsync(options).GetAwaiter().GetResult();1373        return page;1374    }1375    /// <summary>1376    /// <para>1377    /// The method finds an element matching the specified selector within the page and1378    /// passes it as a first argument to <paramref name="expression"/>. If no elements match1379    /// the selector, the method throws an error. Returns the value of <paramref name="expression"/>.1380    /// </para>1381    /// <para>1382    /// If <paramref name="expression"/> returns a <see cref="Task"/>, then <see cref="IPage.EvalOnSelectorAsync"/>1383    /// would wait for the promise to resolve and return its value.1384    /// </para>...

Page.cs

Source:Page.cs

...230        IFrameLocator IPage.FrameLocator(string selector) => MainFrame.FrameLocator(selector);231        public Task<string> TitleAsync() => MainFrame.TitleAsync();232        public Task BringToFrontAsync() => _channel.BringToFrontAsync();233        public Task<IPage> OpenerAsync() => Task.FromResult<IPage>(Opener?.IsClosed == false ? Opener : null);234        public Task EmulateMediaAsync(PageEmulateMediaOptions options = default)235        {236            var args = new Dictionary<string, object>237            {238                ["media"] = options?.Media,239                ["colorScheme"] = options?.ColorScheme,240                ["reducedMotion"] = options?.ReducedMotion,241                ["forcedColors"] = options?.ForcedColors,242            };243            return _channel.EmulateMediaAsync(args);244        }245        public Task<IResponse> GotoAsync(string url, PageGotoOptions options = default)246            => MainFrame.GotoAsync(url, new() { WaitUntil = options?.WaitUntil, Timeout = options?.Timeout, Referer = options?.Referer });247        public Task WaitForURLAsync(string url, PageWaitForURLOptions options = default)248            => MainFrame.WaitForURLAsync(url, new() { WaitUntil = options?.WaitUntil, Timeout = options?.Timeout });...

PageModel.cs

Source:PageModel.cs

...278    protected virtual void DispatchEvent(string selector, string type, object? eventInit = null, PageDispatchEventOptions? options = null)279    {280        this.Page.DispatchEvent(selector, type, eventInit, options); ;281    }282    protected virtual void EmulateMedia(PageEmulateMediaOptions? options = null)283    {284        this.Page.EmulateMedia(options);285    }286    protected virtual void EvalOnSelectorAll(string selector, string expression, object? arg = null)287    {288        this.Page.EvalOnSelectorAll(selector, expression, arg);289    }290    protected virtual void EvalOnSelectorAll<T>(string selector, string expression, object? arg = null)291    {292        this.Page.EvalOnSelectorAll<T>(selector, expression, arg);293    }294    protected virtual void EvalOnSelector(string selector, string expression, object? arg = null)295    {296        this.Page.EvalOnSelector(selector, expression, arg);...

PageEmulateMediaOptions.cs

Source:PageEmulateMediaOptions.cs

...35using System.Threading.Tasks;36#nullable enable37namespace Microsoft.Playwright38{39    public class PageEmulateMediaOptions40    {41        public PageEmulateMediaOptions() { }42        public PageEmulateMediaOptions(PageEmulateMediaOptions clone)43        {44            if (clone == null)45            {46                return;47            }48            ColorScheme = clone.ColorScheme;49            ForcedColors = clone.ForcedColors;50            Media = clone.Media;51            ReducedMotion = clone.ReducedMotion;52        }53        /// <summary>54        /// <para>55        /// Emulates <c>'prefers-colors-scheme'</c> media feature, supported values are <c>'light'</c>,56        /// <c>'dark'</c>, <c>'no-preference'</c>. Passing <c>'Null'</c> disables color scheme...

PdfExporter.cs

Source:PdfExporter.cs

...17        Headless = true18      });19      await using var context = await browser.NewContextAsync();20      var page = await context.NewPageAsync();21      await page.EmulateMediaAsync(new PageEmulateMediaOptions {Media = Media.Print});22      var encoded = Convert.ToBase64String(Encoding.UTF8.GetBytes(content));23      await page.GotoAsync($"data:text/html;base64,{encoded}", new PageGotoOptions {WaitUntil = WaitUntilState.NetworkIdle});24      await page.PdfAsync(new PagePdfOptions25      {26        Path = filePath,27        Format = "Letter",28        PrintBackground = true,29        Scale = 0.8f30      });31    }32  }33}...

PageEmulateMediaOptions

Using AI Code Generation

1using Microsoft.Playwright;2using System.Threading.Tasks;3{4    static async Task Main(string[] args)5    {6        using var playwright = await Playwright.CreateAsync();7        await using var browser = await playwright.Chromium.LaunchAsync();8        var context = await browser.NewContextAsync();9        var page = await context.NewPageAsync();10        await page.EmulateMediaAsync(new PageEmulateMediaOptions11        {12        });13    }14}15using Microsoft.Playwright;16using System.Threading.Tasks;17{18    static async Task Main(string[] args)19    {20        using var playwright = await Playwright.CreateAsync();21        await using var browser = await playwright.Chromium.LaunchAsync();22        var context = await browser.NewContextAsync();23        var page = await context.NewPageAsync();24        await page.EmulateMediaAsync(new PageEmulateMediaOptions25        {26        });27    }28}29using Microsoft.Playwright;30using System.Threading.Tasks;31{32    static async Task Main(string[] args)33    {34        using var playwright = await Playwright.CreateAsync();35        await using var browser = await playwright.Chromium.LaunchAsync();36        var context = await browser.NewContextAsync();37        var page = await context.NewPageAsync();38        await page.EmulateMediaAsync(new PageEmulateMediaOptions39        {40        });41    }42}43using Microsoft.Playwright;44using System.Threading.Tasks;45{46    static async Task Main(string[] args)47    {48        using var playwright = await Playwright.CreateAsync();49        await using var browser = await playwright.Chromium.LaunchAsync();50        var context = await browser.NewContextAsync();51        var page = await context.NewPageAsync();52        await page.EmulateMediaAsync(new PageEmulateMediaOptions53        {54        });55    }56}57using Microsoft.Playwright;

PageEmulateMediaOptions

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions10            {11            });12            var context = await browser.NewContextAsync(new BrowserNewContextOptions13            {14                {15                },16                UserAgent = "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.0 Safari/537.36",17                {18                },19                Permissions = new[] { "geolocation" },20                {21                },22            });23            var page = await context.NewPageAsync();24            Console.WriteLine("Hello World!");25        }26    }27}28await context.SetViewportSizeAsync(375, 812);29await context.SetUserAgentAsync("Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/604.1.38 (KHTML, like Gecko) Version/11.0 Mobile/15A372 Safari/604.1");30await context.SetGeolocationAsync(new Geolocation31{32});

PageEmulateMediaOptions

Using AI Code Generation

1using Microsoft.Playwright;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            using var playwright = await Playwright.CreateAsync();8            await using var browser = await playwright.Chromium.LaunchAsync(headless: false);9            var context = await browser.NewContextAsync(new BrowserNewContextOptions10            {11                {12                },13                UserAgent = "Mozilla/5.0 (iPhone; CPU iPhone OS 14_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0.3 Mobile/15E148 Safari/604.1",14            });15            var page = await context.NewPageAsync();16            await page.EmulateMediaAsync(new PageEmulateMediaOptions17            {18            });19        }20    }21}

PageEmulateMediaOptions

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync();10            var context = await browser.NewContextAsync(new()11            {12                ViewportSize = new()13                {14                },15                UserAgent = "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36",16            });17            var page = await context.NewPageAsync();18            await page.EmulateMediaAsync(new()19            {20            });21            await page.SetContentAsync("<html><body><p>Playwright</p></body></html>");22            await page.ScreenshotAsync(new()23            {24            });25        }26    }27}

PageEmulateMediaOptions

Using AI Code Generation

1using Microsoft.Playwright;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            using var playwright = await Playwright.CreateAsync();8            await using var browser = await playwright.Firefox.LaunchAsync();9            var context = await browser.NewContextAsync(new BrowserNewContextOptions10            {11                ViewportSize = new ViewportSize { Width = 1920, Height = 1080 },12            });13            var page = await context.NewPageAsync();14            await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });15        }16    }17}

PageEmulateMediaOptions

Using AI Code Generation

1var playwright = await Playwright.CreateAsync();2var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions3{4});5var context = await browser.NewContextAsync(new BrowserNewContextOptions6{7    ViewportSize = new ViewportSize { Width = 1920, Height = 1080 },8    UserAgent = "Mozilla/5.0 (iPhone; CPU iPhone OS 14_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0.3 Mobile/15E148 Safari/604.1",9    {10    },11    Permissions = new[] { "geolocation" },12});13var page = await context.NewPageAsync();14await page.ScreenshotAsync("google.png");15await browser.CloseAsync();16var playwright = await Playwright.CreateAsync();17var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions18{19});20var context = await browser.NewContextAsync(new BrowserNewContextOptions21{22    ViewportSize = new ViewportSize { Width = 1920, Height = 1080 },23    UserAgent = "Mozilla/5.0 (iPhone; CPU iPhone OS 14_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0.3 Mobile/15E148 Safari/604.1",24    {25    },26    Permissions = new[] { "geolocation" },27});28var page = await context.NewPageAsync();29await page.EmulateMediaAsync(new PageEmulateMediaOptions30{31});32await page.ScreenshotAsync("google.png");33await browser.CloseAsync();

PageEmulateMediaOptions

Using AI Code Generation

1using Microsoft.Playwright;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            await using var playwright = await Playwright.CreateAsync();8            await using var browser = await playwright.Chromium.LaunchAsync();9            var context = await browser.NewContextAsync(new BrowserNewContextOptions10            {11                ViewportSize = new ViewportSize { Width = 1920, Height = 1080 }12            });13            var page = await context.NewPageAsync();14            await page.EmulateMediaAsync(new PageEmulateMediaOptions { Media = Media.Print });15            await page.ScreenshotAsync("screenshot.png");16        }17    }18}19using Microsoft.Playwright;20using System.Threading.Tasks;21{22    {23        static async Task Main(string[] args)24        {25            await using var playwright = await Playwright.CreateAsync();26            await using var browser = await playwright.Chromium.LaunchAsync();27            var context = await browser.NewContextAsync(new BrowserNewContextOptions28            {29                ViewportSize = new ViewportSize { Width = 1920, Height = 1080 }30            });31            var page = await context.NewPageAsync();32            await page.EmulateMediaAsync(new PageEmulateMediaOptions { Media = Media.Print });33            await page.ScreenshotAsync("screenshot.png");34        }35    }36}37using Microsoft.Playwright;38using System.Threading.Tasks;39{40    {41        static async Task Main(string[] args)42        {43            await using var playwright = await Playwright.CreateAsync();44            await using var browser = await playwright.Chromium.LaunchAsync();45            var context = await browser.NewContextAsync(new BrowserNewContextOptions46            {

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.