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How to use RawSendASync method of PuppeteerSharp.Connection class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Connection.RawSendASync

Connection.cs

Source:Connection.cs

...69        public string CloseReason { get; private set; }70        #endregion71        #region Public Methods72        internal int GetMessageID() => Interlocked.Increment(ref _lastId);73        internal Task RawSendASync(int id, string method, object args, string sessionId = null)74        {75            return Transport.SendAsync(JsonConvert.SerializeObject(76                new ConnectionRequest77                {78                    Id = id,79                    Method = method,80                    Params = args,81                    SessionId = sessionId82                },83                JsonHelper.DefaultJsonSerializerSettings));84        }85        internal async Task<JObject> SendAsync(string method, object args = null, bool waitForCallback = true)86        {87            if (IsClosed)88            {89                throw new TargetClosedException($"Protocol error({method}): Target closed.", CloseReason);90            }91            var id = GetMessageID();92            MessageTask callback = null;93            if (waitForCallback)94            {95                callback = new MessageTask96                {97                    TaskWrapper = new TaskCompletionSource<JObject>(),98                    Method = method99                };100                _callbacks[id] = callback;101            }102            await RawSendASync(id, method, args).ConfigureAwait(false);103            return waitForCallback ? await callback.TaskWrapper.Task.ConfigureAwait(false) : null;104        }105        internal async Task<T> SendAsync<T>(string method, object args = null)106        {107            var response = await SendAsync(method, args).ConfigureAwait(false);108            return response.ToObject<T>(true);109        }110        internal async Task<CDPSession> CreateSessionAsync(TargetInfo targetInfo)111        {112            var sessionId = (await SendAsync<TargetAttachToTargetResponse>("Target.attachToTarget", new TargetAttachToTargetRequest113            {114                TargetId = targetInfo.TargetId,115                Flatten = true116            }).ConfigureAwait(false)).SessionId;...

CDPSession.cs

Source:CDPSession.cs

...130                _callbacks[id] = callback;131            }132            try133            {134                await Connection.RawSendASync(id, method, args, SessionId).ConfigureAwait(false);135            }136            catch (Exception ex)137            {138                if (waitForCallback && _callbacks.TryRemove(id, out _))139                {140                    callback.TaskWrapper.TrySetException(new MessageException(ex.Message, ex));141                }142            }143            return waitForCallback ? await callback.TaskWrapper.Task.ConfigureAwait(false) : null;144        }145        /// <summary>146        /// Detaches session from target. Once detached, session won't emit any events and can't be used to send messages.147        /// </summary>148        /// <returns></returns>...

RawSendASync

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            {12                ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe",13            };14            using (var browser = Puppeteer.LaunchAsync(options).Result)15            {16                using (var page = browser.NewPageAsync().Result)17                {18                    var connection = page.Target.CreateCDPSessionAsync().Result;19                    connection.RawSendAsync("Input.dispatchMouseEvent", new20                    {21                    }).Wait();22                }23            }24        }25    }26}

RawSendASync

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 LaunchOptions { Headless = false });9            var page = await browser.NewPageAsync();10            await page.EvaluateFunctionAsync(@"() => {11                const connection = window.chrome._connection;12                connection._rawSendAsync = connection._rawSend;13                connection._rawSend = (method, params) => {14                    if (method === 'Page.printToPDF') {15                        console.log('Printing to PDF');16                    }17                    return connection._rawSendAsync(method, params);18                };19            }");20            await page.PdfAsync("google.pdf");21            await browser.CloseAsync();22        }23    }24}25using System;26using System.Threading.Tasks;27using PuppeteerSharp;28{29    {30        static async Task Main(string[] args)31        {32            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });33            var page = await browser.NewPageAsync();34            await page.EvaluateFunctionAsync(@"() => {35                const connection = window.chrome._connection;36                connection._rawSendAsync = connection._rawSend;37                connection._rawSend = (method, params) => {38                    if (method === 'Page.printToPDF') {39                        console.log('Printing to PDF');40                    }41                    return connection._rawSendAsync(method, params);42                };43            }");44            await page.PdfAsync("google.pdf");45            await browser.CloseAsync();46        }47    }48}49using System;50using System.Threading.Tasks;51using PuppeteerSharp;52{53    {54        static async Task Main(string[] args)55        {56            var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = false });57            var page = await browser.NewPageAsync();58            await page.EvaluateFunctionAsync(@"() => {

RawSendASync

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.IO;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            {10            };11            var browser = await Puppeteer.LaunchAsync(options);12            var page = await browser.NewPageAsync();13            var connection = page.Target.CreateCDPSessionAsync();14            var rawSendAsync = connection.GetType().GetMethod("RawSendAsync");15            var response = await (Task<object>)rawSendAsync.Invoke(connection, new object[] { "Page.captureScreenshot", new { format = "png" } });16            var base64 = (string)response.GetType().GetProperty("data").GetValue(response);17            var bytes = Convert.FromBase64String(base64);18            File.WriteAllBytes("screenshot.png", bytes);19        }20    }21}22using PuppeteerSharp;23using System;24using System.IO;25using System.Threading.Tasks;26{27    {28        static async Task Main(string[] args)29        {30            {31            };32            var browser = await Puppeteer.LaunchAsync(options);33            var page = await browser.NewPageAsync();34            var connection = page.Target.CreateCDPSessionAsync();35            var rawSendAsync = connection.GetType().GetMethod("RawSendAsync");36            var response = await (Task<object>)rawSendAsync.Invoke(connection, new object[] { "Page.captureScreenshot", new { format = "png" } });37            var base64 = (string)response.GetType().GetProperty("data").GetValue(response);38            var bytes = Convert.FromBase64String(base64);39            File.WriteAllBytes("screenshot.png", bytes);40        }41    }42}43using PuppeteerSharp;44using System;45using System.IO;46using System.Threading.Tasks;47{48    {49        static async Task Main(string[] args)50        {

RawSendASync

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                Args = new string[] { "--start-maximized" }11            });12            var page = await browser.NewPageAsync();13            var connection = page.Target.CreateCDPSessionAsync();14            await connection.RawSendAsync("Input.dispatchKeyEvent", new15            {16            });17        }18    }19}20   at PuppeteerSharp.Connection.SendAsync(String method, Object args, Boolean waitForCallback)21   at PuppeteerSharp.Connection.RawSendAsync(String method, Object args)22   at PuppeteerSharpTest.Program.Main(String[] args) in C:\Users\user\source\repos\PuppeteerSharpTest\PuppeteerSharpTest\Program.cs:line 2923private async Task SendAsync(string method, dynamic args, bool waitForCallback)24{25    if (IsClosed)26    {27        throw new InvalidOperationException("Target closed.");28    }29    {30        ["id"] = Interlocked.Increment(ref _lastId),31    };32    if (waitForCallback)33    {34        var tcs = new TaskCompletionSource<SessionResponse>();35        _callbacks.TryAdd(message["id"].ToString(), tcs);36        await _connection.SendAsync("Target.sendMessageToTarget", new37        {38            message = JsonConvert.SerializeObject(message),39        }).ConfigureAwait(false);40        var response = await tcs.Task.ConfigureAwait(false);

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