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How to use OnTargetCrashed method of PuppeteerSharp.Page class

Best Puppeteer-sharp code snippet using PuppeteerSharp.Page.OnTargetCrashed

Page.cs

Source:Page.cs

...1161                    case "Runtime.exceptionThrown":1162                        HandleException(e.MessageData.ToObject<RuntimeExceptionThrownResponse>(true).ExceptionDetails);1163                        break;1164                    case "Inspector.targetCrashed":1165                        OnTargetCrashed();1166                        break;1167                    case "Target.attachedToTarget":1168                        await OnAttachedToTargetAsync(e.MessageData.ToObject<TargetAttachedToTargetResponse>(true)).ConfigureAwait(false);1169                        break;1170                    case "Runtime.bindingCalled":1171                        await OnBindingCalled(e.MessageData.ToObject<BindingCalledResponse>(true)).ConfigureAwait(false);1172                        break;1173                }1174            }1175            catch (Exception ex)1176            {1177                var message = $"Page failed to process {e.MessageID}. {ex.Message}. {ex.StackTrace}";1178                Client.Close(message);1179            }1180        }1181        private async Task OnBindingCalled(BindingCalledResponse e)1182        {1183            string expression;1184            try1185            {1186                var result = await ExecuteBinding(e).ConfigureAwait(false);1187                expression = EvaluationString(1188                    @"function deliverResult(name, seq, result) {1189                        window[name]['callbacks'].get(seq).resolve(result);1190                        window[name]['callbacks'].delete(seq);1191                    }",1192                    e.BindingPayload.Name,1193                    e.BindingPayload.Seq,1194                    result);1195            }1196            catch (Exception ex)1197            {1198                if (ex is TargetInvocationException)1199                {1200                    ex = ex.InnerException;1201                }1202                expression = EvaluationString(1203                    @"function deliverError(name, seq, message, stack) {1204                        const error = new Error(message);1205                        error.stack = stack;1206                        window[name]['callbacks'].get(seq).reject(error);1207                        window[name]['callbacks'].delete(seq);1208                    }",1209                    e.BindingPayload.Name,1210                    e.BindingPayload.Seq,1211                    ex.Message,1212                    ex.StackTrace);1213            }1214            Client.Send("Runtime.evaluate", new1215            {1216                expression,1217                contextId = e.ExecutionContextId1218            });1219        }1220        private async Task<object> ExecuteBinding(BindingCalledResponse e)1221        {1222            const string taskResultPropertyName = "Result";1223            object result;1224            var binding = _pageBindings[e.BindingPayload.Name];1225            var methodParams = binding.Method.GetParameters().Select(parameter => parameter.ParameterType).ToArray();1226            var args = e.BindingPayload.Args.Select((token, i) => token.ToObject(methodParams[i])).ToArray();1227            result = binding.DynamicInvoke(args);1228            if (result is Task taskResult)1229            {1230                await taskResult.ConfigureAwait(false);1231                if (taskResult.GetType().IsGenericType)1232                {1233                    // the task is already awaited and therefore the call to property Result will not deadlock1234                    result = taskResult.GetType().GetProperty(taskResultPropertyName).GetValue(taskResult);1235                }1236            }1237            return result;1238        }1239        private async Task OnAttachedToTargetAsync(TargetAttachedToTargetResponse e)1240        {1241            var targetInfo = e.TargetInfo;1242            var sessionId = e.SessionId;1243            if (targetInfo.Type != TargetType.Worker)1244            {1245                try1246                {1247                    await Client.SendAsync("Target.detachFromTarget", new TargetDetachFromTargetRequest1248                    {1249                        SessionId = sessionId1250                    }).ConfigureAwait(false);1251                }1252                catch { }1253                return;1254            }1255        }1256        private void OnTargetCrashed()1257        {1258            if (Error == null)1259            {1260                throw new TargetCrashedException();1261            }1262            Error.Invoke(this, new ErrorEventArgs("Page crashed!"));1263        }1264        private void HandleException(EvaluateExceptionResponseDetails exceptionDetails)1265            => PageError?.Invoke(this, new PageErrorEventArgs(GetExceptionMessage(exceptionDetails)));1266        private string GetExceptionMessage(EvaluateExceptionResponseDetails exceptionDetails)1267        {1268            if (exceptionDetails.Exception != null)1269            {1270                return exceptionDetails.Exception.Description;...

PdfPrinter.cs

Source:PdfPrinter.cs

...160                        }161                    }162                    catch (TargetClosedException ex)163                    {164                        // ex. PuppeteerSharp.TargetClosedException: Protocol error(IO.read): Target closed. (Page failed to process Inspector.targetCrashed. Exception of type 'PuppeteerSharp.TargetCrashedException' was thrown..    at PuppeteerSharp.Page.OnTargetCrashed()165                        //     at PuppeteerSharp.Page.<Client_MessageReceived>d__230.MoveNext())166                        //     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()167                        //     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)168                        //     at PuppeteerSharp.CDPSession.<SendAsync>d__30.MoveNext()169                        //     --- End of stack trace from previous location where exception was thrown ---170                        //     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()171                        //     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)172                        //     at PuppeteerSharp.CDPSession.<SendAsync>d__29`1.MoveNext()173                        //     --- End of stack trace from previous location where exception was thrown ---174                        //     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()175                        //     at PuppeteerSharp.Helpers.ProtocolStreamReader.<ReadProtocolStreamByteAsync>d__1.MoveNext()176                        //     --- End of stack trace from previous location where exception was thrown ---177                        //     at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()178                        //     at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)...

OnTargetCrashed

Using AI Code Generation

1var browser = await Puppeteer.LaunchAsync(new LaunchOptions2{3    ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"4});5var page = await browser.NewPageAsync();6await page.TypeAsync("input[name='q']", "PuppeteerSharp");7await page.ClickAsync("input[name='btnK']");8await page.WaitForNavigationAsync();9await page.ScreenshotAsync("google.png");10await browser.CloseAsync();11var browser = await Puppeteer.LaunchAsync(new LaunchOptions12{13    ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"14});15var page = await browser.NewPageAsync();16await page.TypeAsync("input[name='q']", "PuppeteerSharp");17await page.ClickAsync("input[name='btnK']");18await page.WaitForNavigationAsync();19await page.ScreenshotAsync("google.png");20await browser.CloseAsync();21var browser = await Puppeteer.LaunchAsync(new LaunchOptions22{23    ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"24});25var page = await browser.NewPageAsync();26await page.TypeAsync("input[name='q']", "PuppeteerSharp");27await page.ClickAsync("input[name='btnK']");28await page.WaitForNavigationAsync();29await page.ScreenshotAsync("google.png");30await browser.CloseAsync();31var browser = await Puppeteer.LaunchAsync(new LaunchOptions32{33    ExecutablePath = @"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"34});35var page = await browser.NewPageAsync();36await page.TypeAsync("input[name='q']", "PuppeteerSharp");37await page.ClickAsync("input[name='btnK']");

OnTargetCrashed

Using AI Code Generation

1var browserFetcher = new BrowserFetcher();2await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);3var browser = await Puppeteer.LaunchAsync(new LaunchOptions4{5    Args = new string[] { "--start-maximized" }6});7var page = await browser.NewPageAsync();8await page.WaitForSelectorAsync("input[title='Search']");9await page.TypeAsync("input[title='Search']", "puppeteer");10await page.Keyboard.PressAsync("Enter");11await page.WaitForSelectorAsync("a[href='

OnTargetCrashed

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            var browserFetcher = new BrowserFetcher();9            var revisionInfo = await browserFetcher.DownloadAsync(BrowserFetcher.DefaultRevision);10            var browser = await Puppeteer.LaunchAsync(new LaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            page.TargetCrashed += Page_TargetCrashed;15            await page.CloseAsync();16            await browser.CloseAsync();17        }18        private static void Page_TargetCrashed(object sender, TargetCrashedEventArgs e)19        {20            Console.WriteLine("Target Crashed");21        }22    }23}

OnTargetCrashed

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            using (var browser = await Puppeteer.LaunchAsync(new LaunchOptions9            {10            }))11            {12                var page = await browser.NewPageAsync();13                page.Target.Crashed += Target_Crashed;14            }15        }16        private static void Target_Crashed(object sender, EventArgs e)17        {18            Console.WriteLine("Target Crashed");19        }20    }21}

OnTargetCrashed

Using AI Code Generation

1var page = await browser.NewPageAsync();2page.OnTargetCrashed += (sender, e) =>3{4    Console.WriteLine("Target crashed");5};6var page = await browser.NewPageAsync();7page.OnTargetCrashed += (sender, e) =>8{9    Console.WriteLine("Target crashed");10};11var page = await browser.NewPageAsync();12page.OnTargetCrashed += (sender, e) =>13{14    Console.WriteLine("Target crashed");15};16var page = await browser.NewPageAsync();17page.OnTargetCrashed += (sender, e) =>18{19    Console.WriteLine("Target crashed");20};21var page = await browser.NewPageAsync();22page.OnTargetCrashed += (sender, e) =>23{24    Console.WriteLine("Target crashed");25};26var page = await browser.NewPageAsync();27page.OnTargetCrashed += (sender, e) =>28{29    Console.WriteLine("Target crashed");30};31var page = await browser.NewPageAsync();32page.OnTargetCrashed += (sender, e) =>33{34    Console.WriteLine("Target crashed");35};36var page = await browser.NewPageAsync();37page.OnTargetCrashed += (sender, e) =>38{39    Console.WriteLine("Target crashed");40};41await page.GoToAsync("

OnTargetCrashed

Using AI Code Generation

1using PuppeteerSharp;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            {9            };10            var browser = await Puppeteer.LaunchAsync(options);11            var page = await browser.NewPageAsync();12            page.TargetCrashed += (sender, e) =>13            {14                Console.WriteLine("Page Crashed");15            };16            await page.EvaluateExpressionAsync("chrome.crash()");17            await page.WaitForTargetCrashedAsync();

OnTargetCrashed

Using AI Code Generation

1var page = Browser.NewPageAsync();2page.OnTargetCrashed += (sender, args) => {3    Console.WriteLine("Page crashed");4}5await page.EvaluateExpressionAsync("() => { throw new Error('Crash!'); }");6var page = Browser.NewPageAsync();7page.OnTargetCrashed += (sender, args) => {8    Console.WriteLine("Page crashed");9}10await page.EvaluateExpressionAsync("() => { throw new Error('Crash!'); }");11var page = Browser.NewPageAsync();12page.OnTargetCrashed += (sender, args) => {13    Console.WriteLine("Page crashed");14}15await page.EvaluateExpressionAsync("() => { throw new Error('Crash!'); }");16var page = Browser.NewPageAsync();17page.OnTargetCrashed += (sender, args) => {18    Console.WriteLine("Page crashed");19}20await page.EvaluateExpressionAsync("() => { throw new Error('Crash!'); }");21var page = Browser.NewPageAsync();22page.OnTargetCrashed += (sender, args) => {23    Console.WriteLine("Page crashed");24}25await page.EvaluateExpressionAsync("() => { throw new Error('Crash!'); }");26var page = Browser.NewPageAsync();27page.OnTargetCrashed += (sender, args) => {28    Console.WriteLine("Page crashed");29}30await page.EvaluateExpressionAsync("() => { throw new Error('Crash!'); }");

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