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How to use SendCharacterAsync method of PuppeteerSharp.Input.Keyboard class
Best Puppeteer-sharp code snippet using PuppeteerSharp.Input.Keyboard.SendCharacterAsync
InputTests.cs
Source:InputTests.cs 
...148 public async Task ShouldSendACharacterWithSendCharacter()149 {150 await Page.GoToAsync(TestConstants.ServerUrl + "/input/textarea.html");151 await Page.FocusAsync("textarea");152 await Page.Keyboard.SendCharacterAsync("å¨");153 Assert.Equal("å¨", await Page.EvaluateExpressionAsync("document.querySelector('textarea').value"));154 await Page.EvaluateExpressionAsync("window.addEventListener('keydown', e => e.preventDefault(), true)");155 await Page.Keyboard.SendCharacterAsync("a");156 Assert.Equal("å¨a", await Page.EvaluateExpressionAsync("document.querySelector('textarea').value"));157 }158 [Fact]159 public async Task ShouldReportShiftKey()160 {161 await Page.GoToAsync(TestConstants.ServerUrl + "/input/keyboard.html");162 var keyboard = Page.Keyboard;163 var codeForKey = new Dictionary<string, int> { ["Shift"] = 16, ["Alt"] = 18, ["Meta"] = 91, ["Control"] = 17 };164 foreach (var modifier in codeForKey)165 {166 await keyboard.DownAsync(modifier.Key);167 Assert.Equal($"Keydown: {modifier.Key} {modifier.Key}Left {modifier.Value} [{modifier.Key}]", await Page.EvaluateExpressionAsync<string>("getResult()"));168 await keyboard.DownAsync("!");169 // Shift+! will generate a keypress...
KeyboardTests.cs
Source:KeyboardTests.cs
...64 public async Task ShouldSendACharacterWithSendCharacter()65 {66 await Page.GoToAsync(TestConstants.ServerUrl + "/input/textarea.html");67 await Page.FocusAsync("textarea");68 await Page.Keyboard.SendCharacterAsync("å¨");69 Assert.Equal("å¨", await Page.EvaluateExpressionAsync<string>("document.querySelector('textarea').value"));70 await Page.EvaluateExpressionAsync("window.addEventListener('keydown', e => e.preventDefault(), true)");71 await Page.Keyboard.SendCharacterAsync("a");72 Assert.Equal("å¨a", await Page.EvaluateExpressionAsync<string>("document.querySelector('textarea').value"));73 }74 [Fact]75 public async Task ShouldReportShiftKey()76 {77 await Page.GoToAsync(TestConstants.ServerUrl + "/input/keyboard.html");78 var keyboard = Page.Keyboard;79 var codeForKey = new Dictionary<string, int> { ["Shift"] = 16, ["Alt"] = 18, ["Control"] = 17 };80 foreach (var modifier in codeForKey)81 {82 await keyboard.DownAsync(modifier.Key);83 Assert.Equal($"Keydown: {modifier.Key} {modifier.Key}Left {modifier.Value} [{modifier.Key}]", await Page.EvaluateExpressionAsync<string>("getResult()"));84 await keyboard.DownAsync("!");85 // Shift+! will generate a keypress...
Keyboard.cs
Source:Keyboard.cs
...6{7 /// <summary>8 /// Keyboard provides an api for managing a virtual keyboard. The high level api is <see cref="TypeAsync(string, TypeOptions)"/>, which takes raw characters and generates proper keydown, keypress/input, and keyup events on your page.9 /// 10 /// For finer control, you can use <see cref="Keyboard.DownAsync(string, DownOptions)"/>, <see cref="UpAsync(string)"/>, and <see cref="SendCharacterAsync(string)"/> to manually fire events as if they were generated from a real keyboard.11 /// </summary>12 public class Keyboard13 {14 private readonly CDPSession _client;15 private readonly HashSet<string> _pressedKeys = new HashSet<string>();16 internal int Modifiers { get; set; }17 internal Keyboard(CDPSession client)18 {19 _client = client;20 }21 /// <summary>22 /// Dispatches a <c>keydown</c> event23 /// </summary>24 /// <param name="key">Name of key to press, such as <c>ArrowLeft</c>. <see cref="KeyDefinitions"/> for a list of all key names.</param>25 /// <param name="options">down options</param>26 /// <remarks>27 /// If <c>key</c> is a single character and no modifier keys besides <c>Shift</c> are being held down, a <c>keypress</c>/<c>input</c> event will also generated. The <c>text</c> option can be specified to force an input event to be generated.28 /// If <c>key</c> is a modifier key, <c>Shift</c>, <c>Meta</c>, <c>Control</c>, or <c>Alt</c>, subsequent key presses will be sent with that modifier active. To release the modifier key, use <see cref="UpAsync(string)"/>29 /// After the key is pressed once, subsequent calls to <see cref="DownAsync(string, DownOptions)"/> will have <see href="https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/repeat">repeat</see> set to <c>true</c>. To release the key, use <see cref="UpAsync(string)"/>30 /// </remarks>31 /// <returns>Task</returns>32 public Task DownAsync(string key, DownOptions options = null)33 {34 var description = KeyDescriptionForString(key);35 var autoRepeat = _pressedKeys.Contains(description.Code);36 _pressedKeys.Add(description.Code);37 Modifiers |= ModifierBit(key);38 var text = options?.Text == null ? description.Text : options.Text;39 return _client.SendAsync("Input.dispatchKeyEvent", new Dictionary<string, object>40 {41 { MessageKeys.Type, text != null ? "keyDown" : "rawKeyDown" },42 { MessageKeys.Modifiers, Modifiers },43 { MessageKeys.WindowsVirtualKeyCode, description.KeyCode },44 { MessageKeys.Code, description.Code },45 { MessageKeys.Key, description.Key },46 { MessageKeys.Text, text },47 { MessageKeys.UnmodifiedText, text },48 { MessageKeys.AutoRepeat, autoRepeat },49 { MessageKeys.Location, description.Location },50 { MessageKeys.IsKeypad, description.Location == 3 }51 });52 }53 /// <summary>54 /// Dispatches a <c>keyup</c> event.55 /// </summary>56 /// <param name="key">Name of key to release, such as `ArrowLeft`. See <see cref="KeyDefinitions"/> for a list of all key names.</param>57 /// <returns>Task</returns>58 public Task UpAsync(string key)59 {60 var description = KeyDescriptionForString(key);61 Modifiers &= ~ModifierBit(key);62 _pressedKeys.Remove(description.Code);63 return _client.SendAsync("Input.dispatchKeyEvent", new Dictionary<string, object>64 {65 { MessageKeys.Type, "keyUp" },66 { MessageKeys.Modifiers, Modifiers },67 { MessageKeys.Key, description.Key },68 { MessageKeys.WindowsVirtualKeyCode, description.KeyCode },69 { MessageKeys.Code, description.Code },70 { MessageKeys.Location, description.Location }71 });72 }73 /// <summary>74 /// Dispatches a <c>keypress</c> and <c>input</c> event. This does not send a <c>keydown</c> or <c>keyup</c> event.75 /// </summary>76 /// <param name="charText">Character to send into the page</param>77 /// <returns>Task</returns>78 public Task SendCharacterAsync(string charText)79 => _client.SendAsync("Input.insertText", new Dictionary<string, object> { [MessageKeys.Text] = charText });80 /// <summary>81 /// Sends a <c>keydown</c>, <c>keypress</c>/<c>input</c>, and <c>keyup</c> event for each character in the text.82 /// </summary>83 /// <param name="text">A text to type into a focused element</param>84 /// <param name="options">type options</param>85 /// <remarks>86 /// To press a special key, like <c>Control</c> or <c>ArrowDown</c>, use <see cref="PressAsync(string, PressOptions)"/>87 /// </remarks>88 /// <returns>Task</returns>89 public async Task TypeAsync(string text, TypeOptions options = null)90 {91 var delay = 0;92 if (options?.Delay != null)93 {94 delay = (int)options.Delay;95 }96 var textParts = StringInfo.GetTextElementEnumerator(text);97 while (textParts.MoveNext())98 {99 var letter = textParts.Current;100 if (KeyDefinitions.ContainsKey(letter.ToString()))101 {102 await PressAsync(letter.ToString(), new PressOptions { Delay = delay }).ConfigureAwait(false);103 }104 else105 {106 await SendCharacterAsync(letter.ToString()).ConfigureAwait(false);107 }108 if (delay > 0)109 {110 await Task.Delay(delay).ConfigureAwait(false);111 }112 }113 }114 /// <summary>115 /// Shortcut for <see cref="DownAsync(string, DownOptions)"/> and <see cref="UpAsync(string)"/>116 /// </summary>117 /// <param name="key">Name of key to press, such as <c>ArrowLeft</c>. <see cref="KeyDefinitions"/> for a list of all key names.</param>118 /// <param name="options">press options</param>119 /// <remarks>120 /// If <paramref name="key"/> is a single character and no modifier keys besides <c>Shift</c> are being held down, a <c>keypress</c>/<c>input</c> event will also generated. The <see cref="DownOptions.Text"/> option can be specified to force an input event to be generated....
BaseAuthUIFixture.cs
Source:BaseAuthUIFixture.cs
...48 if(OperatingSystem.IsWindows())49 await Page.ConfirmScreenshot(screensName).ConfigureAwait(false);50 response.Url.Should().Contain("login.microsoftonline.com");51 await Page.WaitForSelectorAsync("input[name='loginfmt']").ConfigureAwait(false);52 await Page.Keyboard.SendCharacterAsync(TestGoodUserName).ConfigureAwait(false);53 await Page.Keyboard.PressAsync(Key.Enter).ConfigureAwait(false);54 await Page.WaitForSelectorAsync("input[name='passwd']:not(.moveOffScreen)").ConfigureAwait(false);55 await Page.Keyboard.SendCharacterAsync(TestPassword).ConfigureAwait(false);56 await Page.Keyboard.PressAsync(Key.Enter).ConfigureAwait(false);57 await Page.WaitForSelectorAsync("input[id='idSIButton9']").ConfigureAwait(false); ;58 Thread.Sleep(delay);59 if (OperatingSystem.IsWindows())60 await Page.ConfirmScreenshot(screensName).ConfigureAwait(false);61 await Page.Keyboard.PressAsync(Key.Enter).ConfigureAwait(false);62 await Page.GoToAsync(AuthUrl, options: new NavigationOptions { WaitUntil = new[] { WaitUntilNavigation.Networkidle0 } }).ConfigureAwait(false);63 //response = await page.WaitForNavigationAsync().ConfigureAwait(false);64 Authorized = true;65 }66 else67 {68 response = await Page.GoToAsync(AuthUrl).ConfigureAwait(false); ;69 }...
SendCharacterAsync
Using AI Code Generation
1var page = await browser.NewPageAsync();2await page.Keyboard.SendCharacterAsync('a');3await page.Keyboard.SendCharacterAsync('b');4await page.Keyboard.SendCharacterAsync('c');5await page.Keyboard.SendCharacterAsync('d');6await page.Keyboard.SendCharacterAsync('e');7await page.Keyboard.SendCharacterAsync('f');8await page.Keyboard.SendCharacterAsync('g');9await page.Keyboard.SendCharacterAsync('h');10await page.Keyboard.SendCharacterAsync('i');11await page.Keyboard.SendCharacterAsync('j');12await page.Keyboard.SendCharacterAsync('k');13await page.Keyboard.SendCharacterAsync('l');14await page.Keyboard.SendCharacterAsync('m');15await page.Keyboard.SendCharacterAsync('n');16await page.Keyboard.SendCharacterAsync('o');17await page.Keyboard.SendCharacterAsync('p');18await page.Keyboard.SendCharacterAsync('q');19await page.Keyboard.SendCharacterAsync('r');20await page.Keyboard.SendCharacterAsync('s');21await page.Keyboard.SendCharacterAsync('t');22await page.Keyboard.SendCharacterAsync('u');23await page.Keyboard.SendCharacterAsync('v');24await page.Keyboard.SendCharacterAsync('w');25await page.Keyboard.SendCharacterAsync('x');26await page.Keyboard.SendCharacterAsync('y');27await page.Keyboard.SendCharacterAsync('z');
SendCharacterAsync
Using AI Code Generation
1await page.Keyboard.SendCharacterAsync('a');2await page.Keyboard.SendCharacterAsync('b');3await page.Keyboard.SendCharacterAsync('c');4await page.Keyboard.SendCharacterAsync('d');5await page.Keyboard.SendCharacterAsync('a');6await page.Keyboard.SendCharacterAsync('b');7await page.Keyboard.SendCharacterAsync('c');8await page.Keyboard.SendCharacterAsync('d');9await page.Keyboard.SendCharacterAsync('a');10await page.Keyboard.SendCharacterAsync('b');11await page.Keyboard.SendCharacterAsync('c');12await page.Keyboard.SendCharacterAsync('d');13await page.Keyboard.SendCharacterAsync('a');14await page.Keyboard.SendCharacterAsync('b');15await page.Keyboard.SendCharacterAsync('c');16await page.Keyboard.SendCharacterAsync('d');17await page.Keyboard.SendCharacterAsync('a');18await page.Keyboard.SendCharacterAsync('b');19await page.Keyboard.SendCharacterAsync('c');20await page.Keyboard.SendCharacterAsync('d');21await page.Keyboard.SendCharacterAsync('a');22await page.Keyboard.SendCharacterAsync('b');23await page.Keyboard.SendCharacterAsync('c');24await page.Keyboard.SendCharacterAsync('d');25await page.Keyboard.SendCharacterAsync('a');26await page.Keyboard.SendCharacterAsync('b');27await page.Keyboard.SendCharacterAsync('c');28await page.Keyboard.SendCharacterAsync('d');
SendCharacterAsync
Using AI Code Generation
1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 static async Task Main(string[] args)7 {8 Console.WriteLine("Hello World!");9 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });10 var page = await browser.NewPageAsync();11 await page.WaitForSelectorAsync("input[name=q]");12 await page.FocusAsync("input[name=q]");13 await page.Keyboard.SendCharacterAsync("Hello World!");14 await Task.Delay(5000);15 await browser.CloseAsync();16 }17 }18}
SendCharacterAsync
Using AI Code Generation
1using System.Threading.Tasks;2using PuppeteerSharp;3{4 {5 private readonly CDPSession _client;6 private readonly KeyboardWatcher _keyboardWatcher;7 private readonly Page _page;8 private readonly Keyboard _keyboard;9 public Keyboard(Page page)10 {11 _page = page;12 _client = page._client;13 _keyboardWatcher = new KeyboardWatcher(_client, page);14 _keyboard = new Keyboard(_page);15 }16 public async Task SendCharacterAsync(string character)17 {18 await _keyboard.SendCharacterAsync(character);19 }20 }21}22using System.Threading.Tasks;23using PuppeteerSharp;24{25 {26 private readonly CDPSession _client;27 private readonly KeyboardWatcher _keyboardWatcher;28 private readonly Page _page;29 private readonly Keyboard _keyboard;30 public Keyboard(Page page)31 {32 _page = page;33 _client = page._client;34 _keyboardWatcher = new KeyboardWatcher(_client, page);35 _keyboard = new Keyboard(_page);36 }37 public async Task SendCharacterAsync(string character)38 {39 await _keyboard.SendCharacterAsync(character);40 }41 }42}43using System.Threading.Tasks;44using PuppeteerSharp;45{46 {47 private readonly CDPSession _client;48 private readonly KeyboardWatcher _keyboardWatcher;49 private readonly Page _page;50 private readonly Keyboard _keyboard;51 public Keyboard(Page page)52 {53 _page = page;54 _client = page._client;55 _keyboardWatcher = new KeyboardWatcher(_client, page);56 _keyboard = new Keyboard(_page);57 }58 public async Task SendCharacterAsync(string character)59 {60 await _keyboard.SendCharacterAsync(character);61 }62 }63}64using System.Threading.Tasks;65using PuppeteerSharp;66{67 {68 private readonly CDPSession _client;69 private readonly KeyboardWatcher _keyboardWatcher;
SendCharacterAsync
Using AI Code Generation
1var page = await browser.NewPageAsync();2await page.Keyboard.SendCharacterAsync("hello world");3await page.ScreenshotAsync("example.png");4var page = await browser.NewPageAsync();5await page.Keyboard.SendCharacterAsync("hello world");6await page.ScreenshotAsync("example.png");7var page = await browser.NewPageAsync();8await page.Keyboard.SendCharacterAsync("hello world");9await page.ScreenshotAsync("example.png");10var page = await browser.NewPageAsync();11await page.Keyboard.SendCharacterAsync("hello world");12await page.ScreenshotAsync("example.png");13var page = await browser.NewPageAsync();14await page.Keyboard.SendCharacterAsync("hello world");15await page.ScreenshotAsync("example.png");16var page = await browser.NewPageAsync();17await page.Keyboard.SendCharacterAsync("hello world");18await page.ScreenshotAsync("example.png");19var page = await browser.NewPageAsync();20await page.Keyboard.SendCharacterAsync("hello world");21await page.ScreenshotAsync("example.png");22var page = await browser.NewPageAsync();23await page.Keyboard.SendCharacterAsync("hello world");24await page.ScreenshotAsync("example.png");
SendCharacterAsync
Using AI Code Generation
1using PuppeteerSharp;2using System.Threading.Tasks;3{4 static async Task Main()5 {6 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);7 var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });8 var page = await browser.NewPageAsync();9 await page.GoToAsync(url);10 await page.FocusAsync("input[name='q']");11 await page.Keyboard.SendCharacterAsync("PuppeteerSharp");12 await page.Keyboard.PressAsync("Enter");13 await page.WaitForNavigationAsync();14 await page.ScreenshotAsync("screenshot.png");15 await browser.CloseAsync();16 }17}
SendCharacterAsync
Using AI Code Generation
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.Keyboard.SendCharacterAsync("A");13 await page.Mouse.ClickAsync();14 }15 }16}17using System;18using System.Threading.Tasks;19using PuppeteerSharp;20{21 {22 static async Task Main(string[] args)23 {24 var browser = await Puppeteer.LaunchAsync(new LaunchOptions25 {26 });27 var page = await browser.NewPageAsync();28 await page.Keyboard.SendCharacterAsync("A");29 await page.Keyboard.PressAsync("Enter");30 }31 }32}33using System;34using System.Threading.Tasks;35using PuppeteerSharp;36{37 {38 static async Task Main(string[] args)39 {40 var browser = await Puppeteer.LaunchAsync(new LaunchOptions41 {42 });43 var page = await browser.NewPageAsync();44 await page.Keyboard.SendCharacterAsync("A");45 await page.Keyboard.PressAsync("Enter");46 await page.WaitForNavigationAsync();47 }48 }49}
SendCharacterAsync
Using AI Code Generation
1await page.ClickAsync("body");2await page.Keyboard.SendCharacterAsync("a");3await page.Keyboard.SendCharacterAsync("b");4await page.Keyboard.SendCharacterAsync("c");5await page.Keyboard.SendCharacterAsync("d");6await page.Keyboard.SendCharacterAsync("e");7await page.Keyboard.SendCharacterAsync("f");8await page.Keyboard.SendCharacterAsync("g");9await page.Keyboard.SendCharacterAsync("h");10await page.Keyboard.SendCharacterAsync("i");11await page.Keyboard.SendCharacterAsync("j");12await page.Keyboard.SendCharacterAsync("k");13await page.Keyboard.SendCharacterAsync("l");14await page.Keyboard.SendCharacterAsync("m");15await page.Keyboard.SendCharacterAsync("n");16await page.Keyboard.SendCharacterAsync("o");17await page.Keyboard.SendCharacterAsync("p");18await page.Keyboard.SendCharacterAsync("q");19await page.Keyboard.SendCharacterAsync("r");20await page.Keyboard.SendCharacterAsync("s");21await page.Keyboard.SendCharacterAsync("t");22await page.Keyboard.SendCharacterAsync("u");23await page.Keyboard.SendCharacterAsync("v");24await page.Keyboard.SendCharacterAsync("w");25await page.Keyboard.SendCharacterAsync("x");26await page.Keyboard.SendCharacterAsync("y");27await page.Keyboard.SendCharacterAsync("z");28await page.Keyboard.SendCharacterAsync("1");29await page.Keyboard.SendCharacterAsync("2");30await page.Keyboard.SendCharacterAsync("3");31await page.Keyboard.SendCharacterAsync("4");32await page.Keyboard.SendCharacterAsync("5");33await page.Keyboard.SendCharacterAsync("6");34await page.Keyboard.SendCharacterAsync("7");35await page.Keyboard.SendCharacterAsync("8");36await page.Keyboard.SendCharacterAsync("9");37await page.Keyboard.SendCharacterAsync("0");38await page.Keyboard.SendCharacterAsync("!");39await page.Keyboard.SendCharacterAsync("@");40await page.Keyboard.SendCharacterAsync("#");41await page.Keyboard.SendCharacterAsync("$");42await page.Keyboard.SendCharacterAsync("%");43await page.Keyboard.SendCharacterAsync("^");44await page.Keyboard.SendCharacterAsync("&");45await page.Keyboard.SendCharacterAsync("*");46await page.Keyboard.SendCharacterAsync("(");47await page.Keyboard.SendCharacterAsync(")");48await page.Keyboard.SendCharacterAsync("-");49await page.Keyboard.SendCharacterAsync("_");50await page.Keyboard.SendCharacterAsync("+");51await page.Keyboard.SendCharacterAsync("=");52await page.Keyboard.SendCharacterAsync("`");53await page.Keyboard.SendCharacterAsync("~");
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