How to use ValueFromRemoteObject method of PuppeteerSharp.Helpers.RemoteObjectHelper class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Helpers.RemoteObjectHelper.ValueFromRemoteObject

Page.cs

Source: Page.cs Github

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...1757 return;1758 }1759 var tokens = values.Select(i => i.RemoteObject[MessageKeys.ObjectId] != null1760 ? i.ToString()1761 : RemoteObjectHelper.ValueFromRemoteObject<string>(i.RemoteObject));1762 var consoleMessage = new ConsoleMessage(type, string.Join(" ", tokens), values);1763 Console?.Invoke(this, new ConsoleEventArgs(consoleMessage));1764 }1765 private async Task ExposeFunctionAsync(string name, Delegate puppeteerFunction)1766 {1767 if (_pageBindings.ContainsKey(name))1768 {1769 throw new PuppeteerException($"Failed to add page binding with name {name}: window['{name}'] already exists!");1770 }1771 _pageBindings.Add(name, puppeteerFunction);1772 const string addPageBinding = @"function addPageBinding(bindingName) {1773 const binding = window[bindingName];1774 window[bindingName] = async(...args) => {1775 const me = window[bindingName];...

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ExecutionContext.cs

Source: ExecutionContext.cs Github

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...114 }115 private async Task<T> RemoteObjectTaskToObject<T>(Task<RemoteObject> remote)116 {117 var response = await remote.ConfigureAwait(false);118 return response == null ? default : (T)RemoteObjectHelper.ValueFromRemoteObject<T>(response);119 }120 private Task<RemoteObject> EvaluateExpressionInternalAsync(bool returnByValue, string script)121 => ExecuteEvaluationAsync("Runtime.evaluate", new Dictionary<string, object>122 {123 ["expression"] = _sourceUrlRegex.IsMatch(script) ? script : $"{script}\n{_evaluationScriptSuffix}",124 ["contextId"] = _contextId,125 ["returnByValue"] = returnByValue,126 ["awaitPromise"] = true,127 ["userGesture"] = true128 });129 private Task<RemoteObject> EvaluateFunctionInternalAsync(bool returnByValue, string script, params object[] args)130 => ExecuteEvaluationAsync("Runtime.callFunctionOn", new RuntimeCallFunctionOnRequest131 {132 FunctionDeclaration = $"{script}\n{_evaluationScriptSuffix}\n",...

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JSHandle.cs

Source: JSHandle.cs Github

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...118 [MessageKeys.ObjectId] = objectId,119 ["returnByValue"] = true,120 ["awaitPromise"] = true121 }).ConfigureAwait(false);122 return (T)RemoteObjectHelper.ValueFromRemoteObject<T>(response[MessageKeys.Result]);123 }124 return (T)RemoteObjectHelper.ValueFromRemoteObject<T>(RemoteObject);125 }126 /​/​/​ <summary>127 /​/​/​ Disposes the Handle. It will mark the JSHandle as disposed and release the <see cref="JSHandle.RemoteObject"/​>128 /​/​/​ </​summary>129 /​/​/​ <returns>The async.</​returns>130 public async Task DisposeAsync()131 {132 if (Disposed)133 {134 return;135 }136 Disposed = true;137 await RemoteObjectHelper.ReleaseObject(Client, RemoteObject, Logger).ConfigureAwait(false);138 }139 /​/​/​ <inheritdoc/​>140 public override string ToString()141 {142 if ((RemoteObject)[MessageKeys.ObjectId] != null)143 {144 var type = RemoteObject[MessageKeys.Subtype] ?? RemoteObject[MessageKeys.Type];145 return "JSHandle@" + type;146 }147 return "JSHandle:" + RemoteObjectHelper.ValueFromRemoteObject<object>(RemoteObject)?.ToString();148 }149 internal object FormatArgument(ExecutionContext context)150 {151 if (ExecutionContext != context)152 {153 throw new PuppeteerException("JSHandles can be evaluated only in the context they were created!");154 }155 if (Disposed)156 {157 throw new PuppeteerException("JSHandle is disposed!");158 }159 var unserializableValue = RemoteObject[MessageKeys.UnserializableValue];160 if (unserializableValue != null)161 {...

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RemoteObjectHelper.cs

Source: RemoteObjectHelper.cs Github

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...7namespace PuppeteerSharp.Helpers8{9 internal class RemoteObjectHelper10 {11 internal static object ValueFromRemoteObject<T>(RemoteObject remoteObject)12 {13 var unserializableValue = remoteObject.UnserializableValue;14 if (unserializableValue != null)15 {16 return ValueFromUnserializableValue(remoteObject, unserializableValue);17 }18 var value = remoteObject.Value;19 if (value == null)20 {21 return default(T);22 }23 return typeof(T) == typeof(JToken) ? value : ValueFromType<T>(value, remoteObject.Type);24 }25 private static object ValueFromType<T>(JToken value, RemoteObjectType objectType)...

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ValueFromRemoteObject

Using AI Code Generation

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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 var remoteObject = await page.EvaluateExpressionHandleAsync("document.querySelector('input')");

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ValueFromRemoteObject

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4{5 {6 public static async Task<T> ValueFromRemoteObject<T>(RemoteObject remoteObject)7 {8 if (remoteObject == null)9 {10 return default(T);11 }12 if (remoteObject.Type == "object")13 {14 var objectId = remoteObject.ObjectId;15 var type = typeof(T);16 if (type == typeof(string))17 {18 var response = await remoteObject.GetExecutionContext().GetSession().SendAsync("Runtime.callFunctionOn", new Dictionary<string, object> {19 { "functionDeclaration", "function (obj) { return obj.toString(); }" },20 { "objectId", objectId },21 { "returnByValue", true }22 }).ConfigureAwait(false);23 return (T)(object)response.Value["result"]["value"].ToString();24 }25 else if (type == typeof(bool))26 {27 var response = await remoteObject.GetExecutionContext().GetSession().SendAsync("Runtime.callFunctionOn", new Dictionary<string, object> {28 { "functionDeclaration", "function (obj) { return obj.valueOf(); }" },29 { "objectId", objectId },30 { "returnByValue", true }31 }).ConfigureAwait(false);32 return (T)(object)response.Value["result"]["value"].ToObject<bool>();33 }34 else if (type == typeof(int))35 {36 var response = await remoteObject.GetExecutionContext().GetSession().SendAsync("Runtime.callFunctionOn", new Dictionary<string, object> {37 { "functionDeclaration", "function (obj) { return obj.valueOf(); }" },38 { "objectId", objectId },39 { "returnByValue", true }40 }).ConfigureAwait(false);41 return (T)(object)response.Value["result"]["value"].ToObject<int>();42 }43 else if (type == typeof(double))44 {45 var response = await remoteObject.GetExecutionContext().GetSession().SendAsync("Runtime.callFunctionOn", new Dictionary<string, object> {46 { "functionDeclaration", "function (obj) { return obj.valueOf(); }" },47 { "objectId", objectId },48 { "returnByValue", true }49 }).ConfigureAwait(false);50 return (T)(object)response.Value["result"]["value"].ToObject<double>();51 }52 {53 throw new Exception("Type not supported");

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ValueFromRemoteObject

Using AI Code Generation

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1var page = await browser.NewPageAsync();2var remoteObject = await page.EvaluateExpressionHandleAsync("document");3var value = await remoteObject.GetValueFromRemoteObjectAsync();4Console.WriteLine(value);5var page = await browser.NewPageAsync();6var remoteObject = await page.EvaluateExpressionHandleAsync("document");7var value = await remoteObject.GetValueFromRemoteObjectAsync();8Console.WriteLine(value);9var page = await browser.NewPageAsync();10var remoteObject = await page.EvaluateExpressionHandleAsync("document");11var value = await remoteObject.GetValueFromRemoteObjectAsync();12Console.WriteLine(value);13var page = await browser.NewPageAsync();14var remoteObject = await page.EvaluateExpressionHandleAsync("document");15var value = await remoteObject.GetValueFromRemoteObjectAsync();16Console.WriteLine(value);17var page = await browser.NewPageAsync();18var remoteObject = await page.EvaluateExpressionHandleAsync("document");19var value = await remoteObject.GetValueFromRemoteObjectAsync();20Console.WriteLine(value);21var page = await browser.NewPageAsync();22var remoteObject = await page.EvaluateExpressionHandleAsync("document");23var value = await remoteObject.GetValueFromRemoteObjectAsync();24Console.WriteLine(value);25var page = await browser.NewPageAsync();26var remoteObject = await page.EvaluateExpressionHandleAsync("document");

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ValueFromRemoteObject

Using AI Code Generation

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1var page = await browser.NewPageAsync();2var remoteObject = await page.EvaluateFunctionHandleAsync("() => document.querySelector('#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input')");3var value = await remoteObject.ValueFromRemoteObjectAsync();4Console.WriteLine(value);5var page = await browser.NewPageAsync();6var remoteObject = await page.EvaluateFunctionHandleAsync("() => document.querySelector('#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input')");7var value = await remoteObject.ValueFromRemoteObjectAsync<string>();8Console.WriteLine(value);9var page = await browser.NewPageAsync();10var remoteObject = await page.EvaluateFunctionHandleAsync("() => document.querySelector('#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input')");11var value = await remoteObject.ValueFromRemoteObjectAsync<string>(browser);12Console.WriteLine(value);13var page = await browser.NewPageAsync();14var remoteObject = await page.EvaluateFunctionHandleAsync("() => document.querySelector('#tsf > div:nth-child(2) > div > div.RNNXgb > div > div.a4bIc > input')");15var value = await remoteObject.ValueFromRemoteObjectAsync<RemoteObject>(browser);16Console.WriteLine(value);17var page = await browser.NewPageAsync();18var remoteObject = await page.EvaluateFunctionHandleAsync("() => document.querySelector('#tsf > div:nth-child(2) > div > div.RNNXgb > div >

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ValueFromRemoteObject

Using AI Code Generation

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1using PuppeteerSharp;2using PuppeteerSharp.Helpers;3using System.Threading.Tasks;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 var remoteObject = await page.EvaluateExpressionHandleAsync("document.querySelector('input')");13 var value = RemoteObjectHelper.ValueFromRemoteObject(remoteObject);14 await page.ScreenshotAsync("screenshot.png");15 await browser.CloseAsync();16 }17 }18}

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ValueFromRemoteObject

Using AI Code Generation

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1var page = await browser.NewPageAsync();2var remoteObject = await page.EvaluateExpressionHandleAsync("document.querySelector('input')");3var value = await page.EvaluateFunctionAsync<string>("(element) => element.value", remoteObject);4Console.WriteLine(value);5var page = await browser.NewPageAsync();6var remoteObject = await page.EvaluateExpressionHandleAsync("document.querySelector('input')");7var value = remoteObject.ValueFromRemoteObject<string>();8Console.WriteLine(value);9var page = await browser.NewPageAsync();10var remoteObject = await page.EvaluateExpressionHandleAsync("document.querySelector('input')");11var value = await remoteObject.ValueFromRemoteObjectAsync<string>();12Console.WriteLine(value);

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ValueFromRemoteObject

Using AI Code Generation

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1using System;2using System.Threading.Tasks;3using PuppeteerSharp;4using PuppeteerSharp.Helpers;5{6 {7 public static async Task<dynamic> ValueFromRemoteObject(this RemoteObject remoteObject)8 {9 if (remoteObject == null)10 {11 return null;12 }13 if (remoteObject.Type == "object")14 {15 var response = await remoteObject.ExecutionContext.Session.SendAsync("Runtime.callFunctionOn", new16 {17 functionDeclaration = "function() { return this; }",18 });19 return response.Value["result"]["value"];20 }21 return remoteObject.Value;22 }23 }24}25using System;26using System.Threading.Tasks;27using PuppeteerSharp;28using PuppeteerSharp.Helpers;29{30 {31 public static async Task<dynamic> ValueFromRemoteObject(this RemoteObject remoteObject)32 {33 if (remoteObject == null)34 {35 return null;36 }37 if (remoteObject.Type == "object")38 {39 var response = await remoteObject.ExecutionContext.Session.SendAsync("Runtime.callFunctionOn", new40 {41 functionDeclaration = "function() { return this; }",42 });43 return response.Value["result"]["value"];44 }45 return remoteObject.Value;46 }47 }48}49using System;50using System.Threading.Tasks;51using PuppeteerSharp;52using PuppeteerSharp.Helpers;53{54 {55 public static async Task<dynamic> ValueFromRemoteObject(this RemoteObject remoteObject)56 {57 if (remoteObject == null)58 {59 return null;60 }61 if (remoteObject.Type == "object")62 {

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ValueFromRemoteObject

Using AI Code Generation

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1var remoteObject = await page.EvaluateExpressionHandleAsync("document.querySelector('div')");2var result = await remoteObject.GetValueFromRemoteObject();3Console.WriteLine(result);4var remoteObject = await page.EvaluateExpressionHandleAsync("document.querySelector('div')");5var result = await remoteObject.GetPropertiesFromRemoteObject();6Console.WriteLine(result);7var remoteObject = await page.EvaluateExpressionHandleAsync("document.querySelector('div')");8var result = await remoteObject.GetPropertiesFromRemoteObject();9Console.WriteLine(result);10var remoteObject = await page.EvaluateExpressionHandleAsync("document.querySelector('div')");11var result = await remoteObject.GetPropertiesFromRemoteObject();12Console.WriteLine(result);13var remoteObject = await page.EvaluateExpressionHandleAsync("document.querySelector('div')");14var result = await remoteObject.GetPropertiesFromRemoteObject();15Console.WriteLine(result);16var remoteObject = await page.EvaluateExpressionHandleAsync("document.querySelector('div')");17var result = await remoteObject.GetPropertiesFromRemoteObject();18Console.WriteLine(result);19var remoteObject = await page.EvaluateExpressionHandleAsync("document.querySelector('div')");20var result = await remoteObject.GetPropertiesFromRemoteObject();21Console.WriteLine(result);22var remoteObject = await page.EvaluateExpressionHandleAsync("document.querySelector('div')");23var result = await remoteObject.GetPropertiesFromRemoteObject();24Console.WriteLine(result);25var remoteObject = await page.EvaluateExpressionHandleAsync("document.querySelector('div')");

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StackOverFlow community discussions

Questions
Discussion

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PuppeteerSharp evaluate expression to complex type?

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Cancel Downloading in PuppeteerSharp

Get Result of document.querySelectorAll in PuppeteerSharp

using below,

using var page = browser.NewPageAsync().Result;

page.TypeAsync("input[name='elementname']", valuetobeset).Wait();
https://stackoverflow.com/questions/67332554/set-input-value-with-puppeteer-sharp

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