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How to use Dispatch method of Microsoft.Playwright.Transport.Connection class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Transport.Connection.Dispatch

Frame.cs

Source:Frame.cs

...266                delay: options?.Delay,267                timeout: options?.Timeout,268                noWaitAfter: options?.NoWaitAfter,269                strict: options?.Strict);270        public Task DispatchEventAsync(string selector, string type, object eventInit = default, FrameDispatchEventOptions options = default)271            => _channel.DispatchEventAsync(272                    selector,273                    type,274                    ScriptsHelper.SerializedArgument(eventInit),275                    options?.Timeout,276                    options?.Strict);277        public Task FillAsync(string selector, string value, FrameFillOptions options = default)278            => _channel.FillAsync(selector, value, force: options?.Force, timeout: options?.Timeout, noWaitAfter: options?.NoWaitAfter, options?.Strict);279        public async Task<IElementHandle> AddScriptTagAsync(FrameAddScriptTagOptions options = default)280        {281            var content = options?.Content;282            if (!string.IsNullOrEmpty(options?.Path))283            {284                content = File.ReadAllText(options.Path);285                content += "//# sourceURL=" + options.Path.Replace("\n", string.Empty);...

FrameChannel.cs

Source:FrameChannel.cs

...346                ["strict"] = strict,347            };348            return Connection.SendMessageToServerAsync<ElementHandleChannel>(Guid, "uncheck", args);349        }350        internal Task DispatchEventAsync(string selector, string type, object eventInit, float? timeout, bool? strict)351        {352            var args = new Dictionary<string, object>353            {354                ["selector"] = selector,355                ["type"] = type,356                ["eventInit"] = eventInit,357                ["timeout"] = timeout,358                ["strict"] = strict,359            };360            return Connection.SendMessageToServerAsync(Guid, "dispatchEvent", args);361        }362        internal Task HoverAsync(363            string selector,364            Position position,...

Connection.cs

Source:Connection.cs

...171        internal void OnObjectCreated(string guid, IChannelOwner result)172        {173            Objects.TryAdd(guid, result);174        }175        internal void Dispatch(PlaywrightServerMessage message)176        {177            if (message.Id.HasValue)178            {179                TraceMessage("pw:channel:response", message);180                if (_callbacks.TryRemove(message.Id.Value, out var callback))181                {182                    if (message.Error != null)183                    {184                        callback.TaskCompletionSource.TrySetException(CreateException(message.Error.Error));185                    }186                    else187                    {188                        callback.TaskCompletionSource.TrySetResult(message.Result);189                    }...

ElementHandleChannel.cs

Source:ElementHandleChannel.cs

...226                ["noWaitAfter"] = noWaitAfter,227            };228            return Connection.SendMessageToServerAsync(Guid, "fill", args);229        }230        internal Task DispatchEventAsync(string type, object eventInit)231        {232            var args = new Dictionary<string, object>233            {234                ["type"] = type,235                ["eventInit"] = eventInit,236            };237            return Connection.SendMessageToServerAsync<ElementHandleChannel>(Guid, "dispatchEvent", args);238        }239        internal Task SetInputFilesAsync(IEnumerable<InputFilesList> files, bool? noWaitAfter, float? timeout)240        {241            var args = new Dictionary<string, object>242            {243                ["files"] = files,244                ["timeout"] = timeout,...

Locator.cs

Source:Locator.cs

...99        public Task<int> CountAsync()100            => _frame.QueryCountAsync(_selector);101        public Task DblClickAsync(LocatorDblClickOptions options = null)102            => _frame.DblClickAsync(_selector, ConvertOptions<FrameDblClickOptions>(options));103        public Task DispatchEventAsync(string type, object eventInit = null, LocatorDispatchEventOptions options = null)104            => _frame.DispatchEventAsync(_selector, type, eventInit, ConvertOptions<FrameDispatchEventOptions>(options));105        public Task DragToAsync(ILocator target, LocatorDragToOptions options = null)106            => _frame.DragAndDropAsync(_selector, ((Locator)target)._selector, ConvertOptions<FrameDragAndDropOptions>(options));107        public async Task<IElementHandle> ElementHandleAsync(LocatorElementHandleOptions options = null)108            => await _frame.WaitForSelectorAsync(109                _selector,110                ConvertOptions<FrameWaitForSelectorOptions>(options)).ConfigureAwait(false);111        public Task<IReadOnlyList<IElementHandle>> ElementHandlesAsync()112            => _frame.QuerySelectorAllAsync(_selector);113        public Task<T> EvaluateAllAsync<T>(string expression, object arg = null)114            => _frame.EvalOnSelectorAllAsync<T>(_selector, expression, arg);115        public Task<JsonElement?> EvaluateAsync(string expression, object arg = null, LocatorEvaluateOptions options = null)116            => EvaluateAsync<JsonElement?>(expression, arg, options);117        public Task<T> EvaluateAsync<T>(string expression, object arg = null, LocatorEvaluateOptions options = null)118            => _frame.EvalOnSelectorAsync<T>(_selector, expression, arg, ConvertOptions<FrameEvalOnSelectorOptions>(options));...

ElementHandle.cs

Source:ElementHandle.cs

...168                selector: selector,169                script: expression,170                arg: ScriptsHelper.SerializedArgument(arg)).ConfigureAwait(false));171        public Task FocusAsync() => _channel.FocusAsync();172        public Task DispatchEventAsync(string type, object eventInit = null)173            => _channel.DispatchEventAsync(174                type,175                eventInit = ScriptsHelper.SerializedArgument(eventInit));176        public Task<string> GetAttributeAsync(string name) => _channel.GetAttributeAsync(name);177        public Task<string> InnerHTMLAsync() => _channel.InnerHTMLAsync();178        public Task<string> InnerTextAsync() => _channel.InnerTextAsync();179        public Task<string> TextContentAsync() => _channel.TextContentAsync();180        public Task SelectTextAsync(ElementHandleSelectTextOptions options = default)181            => _channel.SelectTextAsync(options?.Force, options?.Timeout);182        public Task<IReadOnlyList<string>> SelectOptionAsync(string values, ElementHandleSelectOptionOptions options = default)183            => _channel.SelectOptionAsync(new[] { new SelectOptionValue() { Value = values } }, options?.NoWaitAfter, options?.Force, options?.Timeout);184        public Task<IReadOnlyList<string>> SelectOptionAsync(IElementHandle values, ElementHandleSelectOptionOptions options = default)185            => _channel.SelectOptionAsync(new[] { values }, options?.NoWaitAfter, options?.Force, options?.Timeout);186        public Task<IReadOnlyList<string>> SelectOptionAsync(IEnumerable<string> values, ElementHandleSelectOptionOptions options = default)187            => _channel.SelectOptionAsync(values.Select(x => new SelectOptionValue() { Value = x }), options?.NoWaitAfter, options?.Force, options?.Timeout);...

BrowserType.cs

Source:BrowserType.cs

...180            pipe.Message += (_, message) =>181            {182                try183                {184                    connection.Dispatch(message);185                }186                catch (Exception ex)187                {188                    closeError = ex.ToString();189                    _channel.Connection.TraceMessage("pw:dotnet", $"Dispatching error: {ex.Message}\n{ex.StackTrace}");190                    ClosePipe();191                }192            };193            async Task<IBrowser> CreateBrowserAsync()194            {195                var playwright = await connection.InitializePlaywrightAsync().ConfigureAwait(false);196                playwright.Connection = connection;197                if (playwright.PreLaunchedBrowser == null)198                {199                    ClosePipe();200                    throw new ArgumentException("Malformed endpoint. Did you use launchServer method?");201                }202                browser = playwright.PreLaunchedBrowser;203                browser.ShouldCloseConnectionOnClose = true;...

Playwright.cs

Source:Playwright.cs

...43#pragma warning disable CA2000 // Dispose objects before losing scope44            var transport = new StdIOTransport();45#pragma warning restore CA200046            var connection = new Connection();47            transport.MessageReceived += (_, message) => connection.Dispatch(JsonSerializer.Deserialize<PlaywrightServerMessage>(message, JsonExtensions.DefaultJsonSerializerOptions));48            transport.LogReceived += (_, log) => Console.Error.WriteLine(log);49            transport.TransportClosed += (_, reason) => connection.DoClose(reason);50            connection.OnMessage = (message) => transport.SendAsync(JsonSerializer.SerializeToUtf8Bytes(message, connection.DefaultJsonSerializerOptions));51            connection.Close += (_, reason) => transport.Close(reason);52            var playwright = await connection.InitializePlaywrightAsync().ConfigureAwait(false);53            playwright.Connection = connection;54            return playwright;55        }56    }57}
...

Dispatch

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Transport;3using Microsoft.Playwright.Transport.Channels;4using Microsoft.Playwright.Transport.Protocol;5using System;6using System.Collections.Generic;7using System.Linq;8using System.Text;9using System.Threading.Tasks;10{11    {12        static async Task Main(string[] args)13        {14            await using var playwright = await Playwright.CreateAsync();15            var browser = await playwright.Chromium.LaunchAsync();16            var page = await browser.NewPageAsync();17            var connection = page.Connection;18            var channel = page.Channel;19            var channelName = channel.Name;20            var guid = channel.Guid;21            var guidString = guid.ToString();22            var guidString1 = guid.ToString("D");23            var guidString2 = guid.ToString("N");24            var guidString3 = guid.ToString("P");25            var guidString5 = guid.ToString("B");26            var guidString6 = guid.ToString("b");27            var guidString7 = guid.ToString("C");28            var guidString8 = guid.ToString("c");29            var guidString9 = guid.ToString("D");30            var guidString10 = guid.ToString("d");31            var guidString11 = guid.ToString("E");32            var guidString12 = guid.ToString("e");33            var guidString13 = guid.ToString("F");34            var guidString14 = guid.ToString("f");35            var guidString15 = guid.ToString("G");36            var guidString16 = guid.ToString("g");37            var guidString17 = guid.ToString("N");38            var guidString18 = guid.ToString("n");39            var guidString19 = guid.ToString("P");40            var guidString20 = guid.ToString("p");41            var guidString21 = guid.ToString("X");42            var guidString22 = guid.ToString("x");43            var guidString23 = guid.ToString("B");44            var guidString24 = guid.ToString("b");45            var guidString25 = guid.ToString("D");46            var guidString26 = guid.ToString("d");47            var guidString27 = guid.ToString("P");48            var guidString28 = guid.ToString("p");49            var guidString29 = guid.ToString("X");50            var guidString30 = guid.ToString("x");51            var guidString31 = guid.ToString("B");52            var guidString32 = guid.ToString("b");

Dispatch

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4{5    {6        static async Task Main(string[] args)7        {8            var playwright = await Playwright.CreateAsync();9            var browser = await playwright.Chromium.LaunchAsync();10            var page = await browser.NewPageAsync();11            var element = await page.QuerySelectorAsync("text=Get started");12            await element.ClickAsync();13            var url = await page.UrlAsync();14            Console.WriteLine(url);15            await browser.CloseAsync();16        }17    }18}

Dispatch

Using AI Code Generation

1using Microsoft.Playwright;2var playwright = await Playwright.CreateAsync();3var browser = await playwright.Chromium.LaunchAsync();4var page = await browser.NewPageAsync();5await page.TypeAsync("input[aria-label='Search']", "Playwright");6await page.ClickAsync("input[aria-la

Dispatch

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var playwright = await Playwright.CreateAsync();9            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            var connection = page.Context.Browser.Connection;14            var result = await connection.DispatchAsync("Browser.getVersion", new { });15            Console.WriteLine(result);16        }17    }18}19using Microsoft.Playwright;20using System;21using System.Threading.Tasks;22{23    {24        static async Task Main(string[] args)25        {26            var playwright = await Playwright.CreateAsync();27            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions28            {29            });30            var page = await browser.NewPageAsync();31            var connection = page.Context.Browser.Connection;32            var result = await connection.DispatchAsync("Browser.getVersion", new { });33            Console.WriteLine(result);34            var json = Newtonsoft.Json.JsonConvert.DeserializeObject(result);35            Console.WriteLine(json);36        }37    }38}

Dispatch

Using AI Code Generation

1var browser = await BrowserType.ConnectAsync(connection);2var page = await browser.NewPageAsync();3await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });4await browser.CloseAsync();5var browser = await BrowserType.ConnectAsync(connection);6var page = await browser.NewPageAsync();7await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });8await browser.CloseAsync();9var browser = await BrowserType.ConnectAsync(connection);10var page = await browser.NewPageAsync();11await page.ScreenshotAsync(new PageScreenshotOptions { Path = "screenshot.png" });12await browser.CloseAsync();13var browser = await BrowserType.ConnectAsync(connection);14var page = await browser.NewPageAsync();15await page.ScreenshotAsync(new Page

Dispatch

Using AI Code Generation

1var connection = new Connection();2var result = await connection.DispatchAsync("BrowserType.launch", new Dictionary<string, object>3            {4                { "executablePath", @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" },5                { "headless", false }6            });7var browser = new Browser(connection, result);8var page = await browser.NewPageAsync();9var connection = new Connection();10var result = await connection.DispatchAsync("BrowserType.launch", new Dictionary<string, object>11            {12                { "executablePath", @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" },13                { "headless", false }14            });15var browser = new Browser(connection, result);16var page = await browser.NewPageAsync();17var connection = new Connection();18var result = await connection.DispatchAsync("BrowserType.launch", new Dictionary<string, object>19            {20                { "executablePath", @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" },21                { "headless", false }22            });23var browser = new Browser(connection, result);24var page = await browser.NewPageAsync();25var connection = new Connection();26var result = await connection.DispatchAsync("BrowserType.launch", new Dictionary<string, object>27            {28                { "executablePath", @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" },29                { "headless", false }30            });31var browser = new Browser(connection, result);32var page = await browser.NewPageAsync();33var connection = new Connection();34var result = await connection.DispatchAsync("BrowserType.launch", new Dictionary<string, object>35            {36                { "executablePath", @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" },37                { "headless", false }38            });39var browser = new Browser(connection, result);40var page = await browser.NewPageAsync();

Dispatch

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Text;4using System.Threading.Tasks;5using Microsoft.Playwright;6{7    {8        static async Task Main(string[] args)9        {10            using var playwright = await Playwright.CreateAsync();11            await using var browser = await playwright.Chromium.LaunchAsync();12            var page = await browser.NewPageAsync();13            var connection = page.Context.Connection;14            var response = await connection.DispatchAsync("Runtime.evaluate", new Dictionary<string, object>()15            {16                ["expression"] = "document.querySelector('h1').innerText"17            });18            Console.WriteLine(response.Result["result"]["value"]);19        }20    }21}

Playwright tutorial

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