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How to use JSHandleChannel class of Microsoft.Playwright.Transport.Channels package

Best Playwright-dotnet code snippet using Microsoft.Playwright.Transport.Channels.JSHandleChannel

FrameChannel.cs

Source:FrameChannel.cs

...77                ["referer"] = referer,78            };79            return Connection.SendMessageToServerAsync<ResponseChannel>(Guid, "goto", args);80        }81        internal Task<JSHandleChannel> EvaluateExpressionHandleAsync(82            string script,83            object arg)84        {85            return Connection.SendMessageToServerAsync<JSHandleChannel>(86                Guid,87                "evaluateExpressionHandle",88                new Dictionary<string, object>89                {90                    ["expression"] = script,91                    ["arg"] = arg,92                });93        }94        internal Task<JSHandleChannel> WaitForFunctionAsync(95            string expression,96            object arg,97            float? timeout,98            float? polling)99        {100            var args = new Dictionary<string, object>101            {102                ["expression"] = expression,103                ["arg"] = arg,104                ["timeout"] = timeout,105                ["pollingInterval"] = polling,106            };107            return Connection.SendMessageToServerAsync<JSHandleChannel>(108                Guid,109                "waitForFunction",110                args);111        }112        internal Task<JsonElement?> EvaluateExpressionAsync(113            string script,114            object arg)115        {116            return Connection.SendMessageToServerAsync<JsonElement?>(117                Guid,118                "evaluateExpression",119                new Dictionary<string, object>120                {121                    ["expression"] = script,...

ElementHandleChannel.cs

Source:ElementHandleChannel.cs

...31using Microsoft.Playwright.Helpers;32using Microsoft.Playwright.Transport.Protocol;33namespace Microsoft.Playwright.Transport.Channels34{35    internal class ElementHandleChannel : JSHandleChannel, IChannel<ElementHandle>36    {37        public ElementHandleChannel(string guid, Connection connection, ElementHandle owner) : base(guid, connection, owner)38        {39            Object = owner;40        }41        internal event EventHandler<PreviewUpdatedEventArgs> PreviewUpdated;42        public new ElementHandle Object { get; set; }43        internal override void OnMessage(string method, JsonElement? serverParams)44        {45            switch (method)46            {47                case "previewUpdated":48                    PreviewUpdated?.Invoke(this, new() { Preview = serverParams.Value.GetProperty("preview").ToString() });49                    break;...

JSHandle.cs

Source:JSHandle.cs

...30namespace Microsoft.Playwright.Core31{32    internal class JSHandle : ChannelOwnerBase, IChannelOwner<JSHandle>, IJSHandle33    {34        private readonly JSHandleChannel _channel;35        internal JSHandle(IChannelOwner parent, string guid, JSHandleInitializer initializer) : base(parent, guid)36        {37            _channel = new(guid, parent.Connection, this);38            Preview = initializer.Preview;39        }40        ChannelBase IChannelOwner.Channel => _channel;41        IChannel<JSHandle> IChannelOwner<JSHandle>.Channel => _channel;42        internal string Preview { get; set; }43        public IElementHandle AsElement() => this as IElementHandle;44        public async Task<JsonElement?> EvaluateAsync(string expression, object arg = null)45            => ScriptsHelper.ParseEvaluateResult<JsonElement?>(await _channel.EvaluateExpressionAsync(46                script: expression,47                arg: ScriptsHelper.SerializedArgument(arg)).ConfigureAwait(false));48        public async Task<IJSHandle> EvaluateHandleAsync(string expression, object arg = null)...

JSHandleChannel.cs

Source:JSHandleChannel.cs

...27using Microsoft.Playwright.Core;28using Microsoft.Playwright.Helpers;29namespace Microsoft.Playwright.Transport.Channels30{31    internal class JSHandleChannel : Channel<JSHandle>32    {33        public JSHandleChannel(string guid, Connection connection, JSHandle owner) : base(guid, connection, owner)34        {35        }36        internal Task<JsonElement?> EvaluateExpressionAsync(string script, object arg)37            => Connection.SendMessageToServerAsync<JsonElement?>(38                Guid,39                "evaluateExpression",40                new Dictionary<string, object>41                {42                    ["expression"] = script,43                    ["arg"] = arg,44                });45        internal Task<JSHandleChannel> EvaluateExpressionHandleAsync(string script, object arg)46            => Connection.SendMessageToServerAsync<JSHandleChannel>(47                Guid,48                "evaluateExpressionHandle",49                new Dictionary<string, object>50                {51                    ["expression"] = script,52                    ["arg"] = arg,53                });54        internal Task<JsonElement> JsonValueAsync() => Connection.SendMessageToServerAsync<JsonElement>(Guid, "jsonValue", null);55        internal Task DisposeAsync() => Connection.SendMessageToServerAsync(Guid, "dispose", null);56        internal Task<JSHandleChannel> GetPropertyAsync(string propertyName)57            => Connection.SendMessageToServerAsync<JSHandleChannel>(58                Guid,59                "getProperty",60                new Dictionary<string, object>61                {62                    ["name"] = propertyName,63                });64        internal async Task<List<JSElementProperty>> GetPropertiesAsync()65            => (await Connection.SendMessageToServerAsync(Guid, "getPropertyList", null).ConfigureAwait(false))?66                .GetProperty("properties").ToObject<List<JSElementProperty>>(Connection.DefaultJsonSerializerOptions);67        internal class JSElementProperty68        {69            public string Name { get; set; }70            public JSHandleChannel Value { get; set; }71        }72    }73}

JSHandleChannel

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Transport.Channels;3using System;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {vr playright = waPlaywright.CreateAsync();9            var browser = await playwright.Chromim.LaunchAync();10            var page = awat browser.NewPageAsyc();11            var jsHandleChannel = await pae.EvaluateHandleAsync("()=> document.body");12            jsHandle = jsHandleChannel.Object as IJSHandle;13            var roperties = await jsHande.GetPropertiesAsync();14            vr propert = properties["nodeType"];15            Console.WriteLine(aait poperty.JsonValueAsync());16            awat browser.CloseAsync();17        }18    }19}20usng Microsof.Playwright;21usingMicrosoft.Transport.hannels;22using System;23using System.Thding.Tasks;24{25    {26        static async Task Main(string[] args)27        {28            var playwright = await Playwright.CreateAsync();29            var browser = await playwright.Chromium.LaunchAsync();30            var page = await browser.NewPageAsync();31            var jsHandleChannel = await page.EvaluateHandleAsync("() => document.body");32            var jsHandle = jsHandleChannel.Object as IJSHandle;33            var properties = await jsHandle.GetPropertiesAsync();34            var property = properties["nodeType"];35            Console.WriteLine(await property.JsonValueAsync());36            await browser.CloseAsync();37        }38    }39};;

JSHandleChannel

Using AI Code Generation

1var playwright = await Playwright.CreateAsync();2var browser = await playwright.Chromium.LaunchAsync();3var page = await browser.NewPageAsync();4var jsHandle = await page.EvaluateHandleAsync(@"() => {5    return {6    };7}");8var channel = jsHandle.Channel;9await channel.DisposeAsync();10await browser.CloseAsync();11var playwright = await Playwright.CreateAsync();12var browser = await playwright.Chromium.LaunchAsync();13var page = await browser.NewPageAsync();14var jsHandle = await page.EvaluateHandleAsync(@"() => {15    return {16    };17}");18var channel = jsHandle.Channel;19await channel.DisposeAsync();20await browser.CloseAsync();21var playwright = await Playwright.CreateAsync();22var browser = await playwright.Chromium.LaunchAsync();23var page = await browser.NewPageAsync();24var jsHandle = await page.EvaluateHandleAsync(@"() => {25    return {26    };27}");28var channel = jsHandle.Channel;29await channel.DisposeAsync();30await browser.CloseAsync();31var playwright = await Playwright.CreateAsync();32var browser = await playwright.Chromium.LaunchAsync();33var page = await browser.NewPageAsync();34var jsHandle = await page.EvaluateHandleAsync(@"() => {35    return {36    };37}")38var channel = jsHandle.Channel;39await channel.DisposeAsync();40await browser.CloseAsync();41var playwright = await Playwright.CreateAsync();42var browser = await playwright.Chromium.LaunchAsync();43var page = await browser.NewPageAsync();

JSHandleChannel

Using AI Code Generation

1var playwright = await Playwright.CreateAsync();2var browser = await playwright.Chromium.LaunchAsync();3var page = await browser.NewPageAsync();4var jsHandle = await page.EvaluateHandleAsync(@"() => {5    return {6    };7}");8var channel = jsHandle.Channel;9await channel.DisposeAsync();10await browser.CloseAsync();11var playwright = await Playwright.CreateAsync();12var browser = await playwright.Chromium.LaunchAsync();13var page = await browser.NewPageAsync();14var jsHandle = await page.EvaluateHandleAsync(@"() => {15    return {16    };17}");18var channel = jsHandle.Channel;19await channel.DisposeAsync();20await browser.CloseAsync();21var playwright = await Playwright.CreateAsync();22var browser = await playwright.Chromium.LaunchAsync();23var page = await browser.NewPageAsync();24var jsHandle = await page.EvaluateHandleAsync(@"() => {25    return {26    };27}");28var channel = jsHandle.Channel;29await channel.DisposeAsync();30await browser.CloseAsync();31var playwright = await Playwright.CreateAsync();32var browser = await playwright.Chromium.LaunchAsync();33var page = await browser.NewPageAsync();34var jsHandle = await page.EvaluateHandleAsync(@"() => {35 return{36    };37}");38var channel = jsHanle.Channel;39awat channel.DisposeAsync();40var playwright  await Playwright.CreateAsync();41var browser  await playwright.Chromium.LaunchAsync();42var page  await browser.NewPageAsync();

JSHandleChannel

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Transport.Channels;3using System;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            await using var playwright = await Playwright.CreateAsync();10            await using var browser = await playwright.Chromium.LaunchAsync();11            var page = await browser.NewPageAsync();12            var jsHandle = await page.EvaluateHandleAsync(@"() => {13                const div = document.createElement('div');14                div.textContent = 'Hello, World!';15                return div;16            }");17            var jsHandleChannel = (JSHandleChannel)jsHandle.Channel;18            var objectId = jsHandleChannel.ObjectID;19            Console.WriteLine($"objectId is {objectId}");20            await page.EvaluateAsync($@"(objectId) => {{21                const div = window.__playwright_evaluation_script__[objectId];

JSHandleChannel

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Threading.Tasks;4using Microsoft.Playwright.Transport.Channels;5{6    {7        static async Task Main(string[] args)8        {9            var channel = new JSHandleChannel("id", "guid", new Connection("guid", "guid", new Dictionary<string, object>()), new Dictionary<string, object>());10            await channel.GetJsonValueAsync();11            await channel.GetJsonValueAsync<object>();12            await channel.GetJsonValueAsync<string>();13            await channel.GetJsonValueAsync<int>();

JSHandleChannel

Using AI Code Generation

1using Microsoft.Playwright.Transport.Channels;2using System;3using System.Collections.Generic;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            var playwright = await Playwright.CreateAsync();10            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            var searchBox = await page.QuerySelectorAsync("input[name='q']");15            await searchBox.TypeAsync("playwright");16            var searchBtn = await page.QuerySelectorAsync("input[name='btnK']");17            await searchBtn.ClickAsync();18            var searchResults = await page.QuerySelectorAllAsync("div.g");19            Console.WriteLine($"Search results count: {searchResults.Count}");20            await browser.CloseAsync();21        }22    }23}24Hello, I am a software engineer with 5 years of experience in software development. I am passionate about technology and software development. I have a degree in Computer Science from the University of Jordan. I have worked on many projects using different technologies such as .NET, Java, C++, C#, PHP, JavaScript, SQL, Android, and Python. I am also a Microsoft Certified Professional Developer (MCPD) and Microsoft Certified Technology Specialist (MCTS). I have a great passion for software development and I am always looking for new challenges.JsonValueAsync<double>();25            await channel.GetJsonValueAsync<bool>();26            await channel.GetJsonValueAsync<Dictionary<string, object>>();27            await channel.GetJsonValueAsync<List<object>>();28            await channel.GetJsonValueAsync<List<string>>();29            await channel.GetJsonValueAsync<List<int>>();30            await channel.GetJsonValueAsync<List<double>>();31            await channel.GetJsonValueAsync<List<bool>>();32            await channel.GetJsonValueAsync<List<Dictionary<string, object>>>();33            await channel.GetJsonValueAsync<List<List<object>>>();34            await channel.GetJsonValueAsync<List<List<string>>>();35            await channel.GetJsonValueAsync<List<List<int>>>();36            await channel.GetJsonValueAsync<List<List<double>>>();37            await channel.GetJsonValueAsync<List<List<bool>>>();38            await channel.GetJsonValueAsync<List<List<Dictionary<string, object>>>>();39            await channel.GetJsonValueAsync<Dictionary<string, object>[]>();40            await channel.GetJsonValueAsync<string[]>();41            await channel.GetJsonValueAsync<int[]>();42            await channel.GetJsonValueAsync<double[]>();43            await channel.GetJsonValueAsync<bool[]>();44            await channel.GetJsonValueAsync<Dictionary<string, object>[]>();45            await channel.GetJsonValueAsync<List<object>[]>();46            await channel.GetJsonValueAsync<List<string>[]>();47            await channel.GetJsonValueAsync<List<int>[]>();48            await channel.GetJsonValueAsync<List<double>[]>();49            await channel.GetJsonValueAsync<List<bool>[]>();50            await channel.GetJsonValueAsync<List<Dictionary<string, object>>[]>();51            await channel.GetJsonValueAsync<List<List<object>>[]>();52            await channel.GetJsonValueAsync<List<List<string>>[]>();53            await channel.GetJsonValueAsync<List<List<int>>[]>();54            await channel.GetJsonValueAsync<List<List<double>>[]>();55            await channel.GetJsonValueAsync<List<List<bool>>[]>();56            await channel.GetJsonValueAsync<List<List<Dictionary<string, object>>>[]>();57            await channel.GetJsonValueAsync<object[]>();

JSHandleChannel

Using AI Code Generation

1using Microsoft.Playwright.Transport.Channels;2using System;3using System.Collections.Generic;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            var playwright = await Playwright.CreateAsync();10            var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            var searchBox = await page.QuerySelectorAsync("input[name='q']");15            await searchBox.TypeAsync("playwright");16            var searchBtn = await page.QuerySelectorAsync("input[name='btnK']");17            await searchBtn.ClickAsync();18            var searchResults = await page.QuerySelectorAllAsync("div.g");19            Console.WriteLine($"Search results count: {searchResults.Count}");20            await browser.CloseAsync();21        }22    }23}

JSHandleChannel

Using AI Code Generation

1using Microsoft.Playwright.Transport.Channels;2using System;3using System.Collections.Generic;4using System.Text;5using System.Threading.Tasks;6{7    {8        public static async Task Main(string[] args)9        {10            var playwright = await Microsoft.Playwright.Playwright.CreateAsync();11            var browser = await playwright.Chromium.LaunchAsync();12            var page = await browser.NewPageAsync();13            var handle = await page.QuerySelectorAsync("text=API");14            var channel = handle.Channel as JSHandleChannel;15            var result = await channel.EvaluateAsync<string>("element => element.textContent");16            Console.WriteLine("Result: " + result);17        }18    }19}

JSHandleChannel

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 page = await browser.NewPageAsync();13            var searchBox = awai page.QuerySelectorAsync("input[name='q']");14            await searchBoxTypeAsync("Hello Worl");15            await sarchBox.PressAsync("Enter");16            ar results = await page.QuerySelectorAllAsync("h3");17            var result = await results[0].EvaluateAsync<string>("e => e.textContent");18            Console.WriteLine(result);19            await browser.CloseAsync();20        }21    }22}23using Microsoft.Playwright;24using System;25using System.Threading.Tasks;26{27    {28        static async Task Main(string[] args)29        {30            using var playwright = await Playwright.CreateAsync();31            await using var browser = await playwright.Chromium.LaunchAsync(new LaunchOptions32            {33            });34            var page = await browser.NewPageAsync();35            await page.GotoAsync("https:/www.google.com");36            var searchBox = await page.QuerySelectorAsync("input[name='q']");37            await searchBox.TypeAsync("Hello World");38            await searchBox.PressAsync("Enter");39            var results = awit age.QuerySelectorAllAsync("h3");40            var result = await results[0].EvaluateAsync<string>("e => e.textContent");41            Console.WriteLine(result);42            await browser.CloseAsync();43        }44    }45}46var channel = handle.Channel as JSHandleChannel;47var elementHandleChannel = channel as ElementHandleChannel;48var result = await elementHandleChannel.EvaluateExpressionAsync<string>("element => element.textContent");

JSHandleChannel

Using AI Code Generation

1var channel = new JSHandleChannel();2var jsHandle = channel.GetObject();3var jsHandle = new JSHandle();4var jsHandle = new IJSHandle();5IJSHandle jsHandle = new JSHandle();6IJSHandle jsHandle = new JSHandleChannel();7IJSHandle jsHandle = new IJSHandle();8IJSHandle jsHandle = new IJSHandleChannel();9IJSHandle jsHandle = new IJSHandleChannel();10IJSHandle jsHandle = new JSHandle();11IJSHandle jsHandle = new JSHandleChannel();12IJSHandle jsHandle = new JSHandleChannel();13IJSHandle jsHandle = new IJSHandle();14IJSHandle jsHandle = new IJSHandle();15IJSHandle jsHandle = new IJSHandleChannel();16IJSHandle jsHandle = new IJSHandleChannel();17IJSHandle jsHandle = new IJSHandle();18IJSHandle jsHandle = new IJSHandleChannel();19IJSHandle jsHandle = new IJSHandleChannel();20IJSHandle jsHandle = new IJSHandle();21IJSHandle jsHandle = new IJSHandleChannel();22IJSHandle jsHandle = new IJSHandleChannel();23IJSHandle jsHandle = new IJSHandle();24IJSHandle jsHandle = new IJSHandleChannel();25IJSHandle jsHandle = new IJSHandleChannel();26IJSHandle jsHandle = new IJSHandle();27IJSHandle jsHandle = new IJSHandleChannel();28IJSHandle jsHandle = new IJSHandleChannel();29IJSHandle jsHandle = new IJSHandle();30IJSHandle jsHandle = new IJSHandleChannel();31IJSHandle jsHandle = new IJSHandleChannel();32IJSHandle jsHandle = new IJSHandle();33IJSHandle jsHandle = new IJSHandleChannel();34IJSHandle jsHandle = new IJSHandleChannel();35IJSHandle jsHandle = new IJSHandle();36IJSHandle jsHandle = new IJSHandleChannel();37IJSHandle jsHandle = new IJSHandleChannel();38IJSHandle jsHandle = new IJSHandle();39IJSHandle jsHandle = new IJSHandleChannel();40IJSHandle jsHandle = new IJSHandleChannel();41IJSHandle jsHandle = new IJSHandle();

JSHandleChannel

Using AI Code Generation

1using System;2using System.Threading.Tasks;3using Microsoft.Playwright;4using Microsoft.Playwright.Transport.Channels;5{6    {7        static async Task Main(string[] args)8        {9            using var playwright = await Playwright.CreateAsync();10            using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            var jsHandle = await page.QuerySelectorAsync("input[name=q]");15            var jsHandleChannel = new JSHandleChannel(jsHandle);16            var jsHandle2 = jsHandleChannel.Object;17            Console.WriteLine(jsHandle2 == jsHandle);18        }19    }20}

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