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How to use Close method of Microsoft.Playwright.Core.WritableStream class

Best Playwright-dotnet code snippet using Microsoft.Playwright.Core.WritableStream.Close

Connection.cs

Source:Connection.cs

...58            DefaultJsonSerializerOptions.Converters.Add(new ChannelOwnerListToGuidListConverter<WritableStream>(this));59        }60        /// <inheritdoc cref="IDisposable.Dispose"/>61        ~Connection() => Dispose(false);62        internal event EventHandler<string> Close;63        public ConcurrentDictionary<string, IChannelOwner> Objects { get; } = new();64        internal AsyncLocal<List<ApiZone>> ApiZone { get; } = new();65        public bool IsClosed { get; private set; }66        internal bool IsRemote { get; set; }67        internal Func<object, Task> OnMessage { get; set; }68        internal JsonSerializerOptions DefaultJsonSerializerOptions { get; }69        public void Dispose()70        {71            Dispose(true);72            GC.SuppressFinalize(this);73        }74        internal Task<JsonElement?> SendMessageToServerAsync(75            string guid,76            string method,77            object args = null)78            => SendMessageToServerAsync<JsonElement?>(guid, method, args);79        internal Task<T> SendMessageToServerAsync<T>(80            string guid,81            string method,82            object args = null) => WrapApiCallAsync(() => InnerSendMessageToServerAsync<T>(guid, method, args));83        private async Task<T> InnerSendMessageToServerAsync<T>(84            string guid,85            string method,86            object args = null)87        {88            if (IsClosed)89            {90                throw new PlaywrightException($"Connection closed ({_reason})");91            }92            int id = Interlocked.Increment(ref _lastId);93            var tcs = new TaskCompletionSource<JsonElement?>(TaskCreationOptions.RunContinuationsAsynchronously);94            var callback = new ConnectionCallback95            {96                TaskCompletionSource = tcs,97            };98            _callbacks.TryAdd(id, callback);99            var sanitizedArgs = new Dictionary<string, object>();100            if (args != null)101            {102                if (args is IDictionary<string, object> dictionary && dictionary.Keys.Any(f => f != null))103                {104                    foreach (var kv in dictionary)105                    {106                        if (kv.Value != null)107                        {108                            sanitizedArgs.Add(kv.Key, kv.Value);109                        }110                    }111                }112                else113                {114                    foreach (PropertyDescriptor propertyDescriptor in TypeDescriptor.GetProperties(args))115                    {116                        object obj = propertyDescriptor.GetValue(args);117                        if (obj != null)118                        {119#pragma warning disable CA1845 // Use span-based 'string.Concat' and 'AsSpan' instead of 'Substring120                            string name = propertyDescriptor.Name.Substring(0, 1).ToLower() + propertyDescriptor.Name.Substring(1);121#pragma warning restore CA2000 // Use span-based 'string.Concat' and 'AsSpan' instead of 'Substring122                            sanitizedArgs.Add(name, obj);123                        }124                    }125                }126            }127            await _queue.EnqueueAsync(() =>128            {129                var message = new MessageRequest130                {131                    Id = id,132                    Guid = guid,133                    Method = method,134                    Params = sanitizedArgs,135                    Metadata = ApiZone.Value[0],136                };137                TraceMessage("pw:channel:command", message);138                return OnMessage(message);139            }).ConfigureAwait(false);140            var result = await tcs.Task.ConfigureAwait(false);141            if (typeof(T) == typeof(JsonElement?))142            {143                return (T)(object)result?.Clone();144            }145            else if (result == null)146            {147                return default;148            }149            else if (typeof(ChannelBase).IsAssignableFrom(typeof(T)) || typeof(ChannelBase[]).IsAssignableFrom(typeof(T)))150            {151                var enumerate = result.Value.EnumerateObject();152                return enumerate.Any()153                    ? enumerate.FirstOrDefault().Value.ToObject<T>(DefaultJsonSerializerOptions)154                    : default;155            }156            else157            {158                return result.Value.ToObject<T>(DefaultJsonSerializerOptions);159            }160        }161        internal IChannelOwner GetObject(string guid)162        {163            Objects.TryGetValue(guid, out var result);164            return result;165        }166        internal void MarkAsRemote() => IsRemote = true;167        internal Task<PlaywrightImpl> InitializePlaywrightAsync()168        {169            return _rootObject.InitializeAsync();170        }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                    }190                }191                return;192            }193            TraceMessage("pw:channel:event", message);194            try195            {196                if (message.Method == "__create__")197                {198                    var createObjectInfo = message.Params.Value.ToObject<CreateObjectInfo>(DefaultJsonSerializerOptions);199                    CreateRemoteObject(message.Guid, createObjectInfo.Type, createObjectInfo.Guid, createObjectInfo.Initializer);200                    return;201                }202                if (message.Method == "__dispose__")203                {204                    Objects.TryGetValue(message.Guid, out var disableObject);205                    disableObject?.DisposeOwner();206                    return;207                }208                Objects.TryGetValue(message.Guid, out var obj);209                obj?.Channel?.OnMessage(message.Method, message.Params);210            }211            catch (Exception ex)212            {213                DoClose(ex);214            }215        }216        private void CreateRemoteObject(string parentGuid, ChannelOwnerType type, string guid, JsonElement? initializer)217        {218            IChannelOwner result = null;219            var parent = string.IsNullOrEmpty(parentGuid) ? _rootObject : Objects[parentGuid];220#pragma warning disable CA2000 // Dispose objects before losing scope221            switch (type)222            {223                case ChannelOwnerType.Artifact:224                    result = new Artifact(parent, guid, initializer?.ToObject<ArtifactInitializer>(DefaultJsonSerializerOptions));225                    break;226                case ChannelOwnerType.BindingCall:227                    result = new BindingCall(parent, guid, initializer?.ToObject<BindingCallInitializer>(DefaultJsonSerializerOptions));228                    break;229                case ChannelOwnerType.Playwright:230                    result = new PlaywrightImpl(parent, guid, initializer?.ToObject<PlaywrightInitializer>(DefaultJsonSerializerOptions));231                    break;232                case ChannelOwnerType.Browser:233                    var browserInitializer = initializer?.ToObject<BrowserInitializer>(DefaultJsonSerializerOptions);234                    result = new Browser(parent, guid, browserInitializer);235                    break;236                case ChannelOwnerType.BrowserType:237                    var browserTypeInitializer = initializer?.ToObject<BrowserTypeInitializer>(DefaultJsonSerializerOptions);238                    result = new Core.BrowserType(parent, guid, browserTypeInitializer);239                    break;240                case ChannelOwnerType.BrowserContext:241                    var browserContextInitializer = initializer?.ToObject<BrowserContextInitializer>(DefaultJsonSerializerOptions);242                    result = new BrowserContext(parent, guid, browserContextInitializer);243                    break;244                case ChannelOwnerType.ConsoleMessage:245                    result = new ConsoleMessage(parent, guid, initializer?.ToObject<ConsoleMessageInitializer>(DefaultJsonSerializerOptions));246                    break;247                case ChannelOwnerType.Dialog:248                    result = new Dialog(parent, guid, initializer?.ToObject<DialogInitializer>(DefaultJsonSerializerOptions));249                    break;250                case ChannelOwnerType.ElementHandle:251                    result = new ElementHandle(parent, guid, initializer?.ToObject<ElementHandleInitializer>(DefaultJsonSerializerOptions));252                    break;253                case ChannelOwnerType.Frame:254                    result = new Frame(parent, guid, initializer?.ToObject<FrameInitializer>(DefaultJsonSerializerOptions));255                    break;256                case ChannelOwnerType.JSHandle:257                    result = new JSHandle(parent, guid, initializer?.ToObject<JSHandleInitializer>(DefaultJsonSerializerOptions));258                    break;259                case ChannelOwnerType.JsonPipe:260                    result = new JsonPipe(parent, guid, initializer?.ToObject<JsonPipeInitializer>(DefaultJsonSerializerOptions));261                    break;262                case ChannelOwnerType.LocalUtils:263                    result = new LocalUtils(parent, guid, initializer);264                    break;265                case ChannelOwnerType.Page:266                    result = new Page(parent, guid, initializer?.ToObject<PageInitializer>(DefaultJsonSerializerOptions));267                    break;268                case ChannelOwnerType.Request:269                    result = new Request(parent, guid, initializer?.ToObject<RequestInitializer>(DefaultJsonSerializerOptions));270                    break;271                case ChannelOwnerType.Response:272                    result = new Response(parent, guid, initializer?.ToObject<ResponseInitializer>(DefaultJsonSerializerOptions));273                    break;274                case ChannelOwnerType.Route:275                    result = new Route(parent, guid, initializer?.ToObject<RouteInitializer>(DefaultJsonSerializerOptions));276                    break;277                case ChannelOwnerType.Worker:278                    result = new Worker(parent, guid, initializer?.ToObject<WorkerInitializer>(DefaultJsonSerializerOptions));279                    break;280                case ChannelOwnerType.WebSocket:281                    result = new WebSocket(parent, guid, initializer?.ToObject<WebSocketInitializer>(DefaultJsonSerializerOptions));282                    break;283                case ChannelOwnerType.Selectors:284                    result = new Selectors(parent, guid);285                    break;286                case ChannelOwnerType.SocksSupport:287                    result = new SocksSupport(parent, guid);288                    break;289                case ChannelOwnerType.Stream:290                    result = new Stream(parent, guid);291                    break;292                case ChannelOwnerType.WritableStream:293                    result = new WritableStream(parent, guid);294                    break;295                case ChannelOwnerType.Tracing:296                    result = new Tracing(parent, guid);297                    break;298                default:299                    TraceMessage("pw:dotnet", "Missing type " + type);300                    break;301            }302#pragma warning restore CA2000303            Objects.TryAdd(guid, result);304            OnObjectCreated(guid, result);305        }306        private void DoClose(Exception ex)307        {308            TraceMessage("pw:dotnet", $"Connection Close: {ex.Message}\n{ex.StackTrace}");309            DoClose(ex.Message);310        }311        internal void DoClose(string reason)312        {313            _reason = string.IsNullOrEmpty(_reason) ? reason : _reason;314            if (!IsClosed)315            {316                foreach (var callback in _callbacks)317                {318                    callback.Value.TaskCompletionSource.TrySetException(new PlaywrightException(reason));319                }320                Dispose();321                IsClosed = true;322            }323        }324        private Exception CreateException(PlaywrightServerError error)325        {326            if (string.IsNullOrEmpty(error.Message))327            {328                return new PlaywrightException(error.Value);329            }330            if (error.Name == "TimeoutError")331            {332                return new TimeoutException(error.Message);333            }334            return new PlaywrightException(error.Message);335        }336        private void Dispose(bool disposing)337        {338            if (!disposing)339            {340                return;341            }342            _queue.Dispose();343            Close.Invoke(this, "Connection disposed");344        }345        [Conditional("DEBUG")]346        internal void TraceMessage(string logLevel, object message)347        {348            string actualLogLevel = Environment.GetEnvironmentVariable("DEBUG");349            if (!string.IsNullOrEmpty(actualLogLevel))350            {351                if (!actualLogLevel.Contains(logLevel))352                {353                    return;354                }355                if (!(message is string))356                {357                    message = JsonSerializer.Serialize(message, DefaultJsonSerializerOptions);...

BrowserContextChannel.cs

Source:BrowserContextChannel.cs

...35    {36        public BrowserContextChannel(string guid, Connection connection, BrowserContext owner) : base(guid, connection, owner)37        {38        }39        internal event EventHandler Close;40        internal event EventHandler<BrowserContextPageEventArgs> Page;41        internal event EventHandler<BrowserContextPageEventArgs> BackgroundPage;42        internal event EventHandler<WorkerChannelEventArgs> ServiceWorker;43        internal event EventHandler<BindingCallEventArgs> BindingCall;44        internal event EventHandler<RouteEventArgs> Route;45        internal event EventHandler<BrowserContextChannelRequestEventArgs> Request;46        internal event EventHandler<BrowserContextChannelRequestEventArgs> RequestFinished;47        internal event EventHandler<BrowserContextChannelRequestEventArgs> RequestFailed;48        internal event EventHandler<BrowserContextChannelResponseEventArgs> Response;49        internal override void OnMessage(string method, JsonElement? serverParams)50        {51            switch (method)52            {53                case "close":54                    Close?.Invoke(this, EventArgs.Empty);55                    break;56                case "bindingCall":57                    BindingCall?.Invoke(58                        this,59                        new() { BindingCall = serverParams?.GetProperty("binding").ToObject<BindingCallChannel>(Connection.DefaultJsonSerializerOptions).Object });60                    break;61                case "route":62                    var route = serverParams?.GetProperty("route").ToObject<RouteChannel>(Connection.DefaultJsonSerializerOptions).Object;63                    var request = serverParams?.GetProperty("request").ToObject<RequestChannel>(Connection.DefaultJsonSerializerOptions).Object;64                    Route?.Invoke(65                        this,66                        new() { Route = route, Request = request });67                    break;68                case "page":69                    Page?.Invoke(70                        this,71                        new() { PageChannel = serverParams?.GetProperty("page").ToObject<PageChannel>(Connection.DefaultJsonSerializerOptions) });72                    break;73                case "crBackgroundPage":74                    BackgroundPage?.Invoke(75                        this,76                        new() { PageChannel = serverParams?.GetProperty("page").ToObject<PageChannel>(Connection.DefaultJsonSerializerOptions) });77                    break;78                case "crServiceWorker":79                    ServiceWorker?.Invoke(80                        this,81                        new() { WorkerChannel = serverParams?.GetProperty("worker").ToObject<WorkerChannel>(Connection.DefaultJsonSerializerOptions) });82                    break;83                case "request":84                    Request?.Invoke(this, serverParams?.ToObject<BrowserContextChannelRequestEventArgs>(Connection.DefaultJsonSerializerOptions));85                    break;86                case "requestFinished":87                    RequestFinished?.Invoke(this, serverParams?.ToObject<BrowserContextChannelRequestEventArgs>(Connection.DefaultJsonSerializerOptions));88                    break;89                case "requestFailed":90                    RequestFailed?.Invoke(this, serverParams?.ToObject<BrowserContextChannelRequestEventArgs>(Connection.DefaultJsonSerializerOptions));91                    break;92                case "response":93                    Response?.Invoke(this, serverParams?.ToObject<BrowserContextChannelResponseEventArgs>(Connection.DefaultJsonSerializerOptions));94                    break;95            }96        }97        internal Task<PageChannel> NewPageAsync()98            => Connection.SendMessageToServerAsync<PageChannel>(99                Guid,100                "newPage",101                null);102        internal Task CloseAsync() => Connection.SendMessageToServerAsync(Guid, "close");103        internal Task PauseAsync()104            => Connection.SendMessageToServerAsync(Guid, "pause", null);105        internal Task SetDefaultNavigationTimeoutNoReplyAsync(float timeout)106            => Connection.SendMessageToServerAsync<PageChannel>(107                Guid,108                "setDefaultNavigationTimeoutNoReply",109                new Dictionary<string, object>110                {111                    ["timeout"] = timeout,112                });113        internal Task SetDefaultTimeoutNoReplyAsync(float timeout)114            => Connection.SendMessageToServerAsync<PageChannel>(115                Guid,116                "setDefaultTimeoutNoReply",...

WritableStream.cs

Source:WritableStream.cs

...39        IChannel<WritableStream> IChannelOwner<WritableStream>.Channel => Channel;40        public WritableStreamChannel Channel { get; }41        public WritableStreamImpl WritableStreamImpl => new(this);42        public Task WriteAsync(string binary) => Channel.WriteAsync(binary);43        public ValueTask DisposeAsync() => new ValueTask(CloseAsync());44        public Task CloseAsync() => Channel.CloseAsync();45    }46    internal class WritableStreamImpl : System.IO.Stream47    {48        private readonly WritableStream _stream;49        internal WritableStreamImpl(WritableStream stream)50        {51            _stream = stream;52        }53        public override bool CanRead => throw new NotImplementedException();54        public override bool CanSeek => throw new NotImplementedException();55        public override bool CanWrite => true;56        public override long Length => throw new NotImplementedException();57        public override long Position { get => throw new NotImplementedException(); set => throw new NotImplementedException(); }58        public override void Flush() => throw new NotImplementedException();59        public override int Read(byte[] buffer, int offset, int count) => throw new NotImplementedException();60        public override Task<int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken) =>61            throw new NotImplementedException();62        public override void Close() => _stream.CloseAsync().ConfigureAwait(false);63        public override long Seek(long offset, SeekOrigin origin) => throw new NotImplementedException();64        public override void SetLength(long value) => throw new NotImplementedException();65        public override void Write(byte[] buffer, int offset, int count) => throw new NotImplementedException();66        public override async Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)67        {68            await this._stream.WriteAsync(Convert.ToBase64String(buffer)).ConfigureAwait(false);69        }70    }71}...

WritableStreamChannel.cs

Source:WritableStreamChannel.cs

...40                {41                    ["binary"] = binary,42                }).ConfigureAwait(false);43        }44        internal Task CloseAsync() => Connection.SendMessageToServerAsync(Guid, "close", null);45    }46}...

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 BrowserTypeLaunchOptions10            {11            });12            var page = await browser.NewPageAsync();13            var stream = await page.OpenAsync();14            await stream.CloseAsync();15        }16    }17}18How to use the Page.OpenAsync() method in C#?19How to use the Page.CloseAsync() method in C#?20How to use the Page.WaitForEventAsync() method in C#?21How to use the Page.WaitForLoadStateAsync() method in C#?22How to use the Page.WaitForNavigationAsync() method in C#?23How to use the Page.WaitForRequestAsync() method in C#?24How to use the Page.WaitForResponseAsync() method in C#?25How to use the Page.WaitForSelectorAsync() method in C#?26How to use the Page.WaitForTimeoutAsync() method in C#?27How to use the Page.WaitForURLAsync() method in C#?28How to use the Page.WaitForXPathAsync() method in C#?29How to use the Page.WaitForFileChooserAsync() method in C#?30How to use the BrowserType.LaunchAsync() method in C#?31How to use the BrowserType.LaunchPersistentContextAsync() method in C#?32How to use the BrowserType.ConnectAsync() method in C#?33How to use the BrowserType.LaunchServerAsync() method in C#?34How to use the BrowserType.ExecutablePathAsync() method in C#?35How to use the BrowserType.LaunchPersistentContextAsync() method in C#?36How to use the BrowserType.ConnectOverCDPAsync() method in C#?

Using AI Code Generation

1using Microsoft.Playwright;2using System.Threading.Tasks;3{4    static async Task Main(string[] args)5    {6        using var playwright = await Playwright.CreateAsync();7        var browser = await playwright.Chromium.LaunchAsync();8        var page = await browser.NewPageAsync();9        var stream = await page.EvaluateHandleAsync("() => document");10        await stream.CloseAsync();11        await browser.CloseAsync();12    }13}14using Microsoft.Playwright;15using System.Threading.Tasks;16{17    static async Task Main(string[] args)18    {19        using var playwright = await Playwright.CreateAsync();20        var browser = await playwright.Chromium.LaunchAsync();21        var page = await browser.NewPageAsync();22        var stream = await page.EvaluateHandleAsync("() => document");23        stream.Dispose();24        await browser.CloseAsync();25    }26}27using Microsoft.Playwright;28using System.Threading.Tasks;29{30    static async Task Main(string[] args)31    {32        using var playwright = await Playwright.CreateAsync();33        var browser = await playwright.Chromium.LaunchAsync();34        var page = await browser.NewPageAsync();35        var stream = await page.EvaluateHandleAsync("() => document");36        await stream.CloseAsync();37        await browser.CloseAsync();38    }39}40using Microsoft.Playwright;41using System.Threading.Tasks;42{43    static async Task Main(string[] args)44    {45        using var playwright = await Playwright.CreateAsync();46        var browser = await playwright.Chromium.LaunchAsync();47        var page = await browser.NewPageAsync();48        var stream = await page.EvaluateHandleAsync("() => document");49        await stream.DisposeAsync();50        await browser.CloseAsync();51    }52}53using Microsoft.Playwright;

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.Firefox.LaunchAsync(headless: false);10            var context = await browser.NewContextAsync();11            var page = await context.NewPageAsync();12            await page.ClickAsync("text=Close");13            Console.WriteLine("Close method of WritableStream class is called");14        }15    }16}

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            await using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync();10            var page = await browser.NewPageAsync();11            await stream.CloseAsync();

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.IO;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            using var playwright = await Playwright.CreateAsync();10            await using var browser = await playwright.Chromium.LaunchAsync();11            var page = await browser.NewPageAsync();12            var handle = await page.QuerySelectorAsync("input");13            var stream = await handle.CreateInputStreamAsync();14            var streamWriter = new StreamWriter(stream);15            await streamWriter.WriteAsync("Hello World");16            await streamWriter.FlushAsync();17            await stream.CloseAsync();18        }19    }20}21using Microsoft.Playwright;22using System;23using System.IO;24using System.Threading.Tasks;25{26    {27        static async Task Main(string[] args)28        {29            using var playwright = await Playwright.CreateAsync();30            await using var browser = await playwright.Chromium.LaunchAsync();31            var page = await browser.NewPageAsync();32            var handle = await page.QuerySelectorAsync("input");33            var stream = await handle.CreateInputStreamAsync();34            var streamWriter = new StreamWriter(stream);35            await streamWriter.WriteAsync("Hello World");36            await streamWriter.FlushAsync();37            stream.Dispose();38        }39    }40}41using Microsoft.Playwright;42using System;43using System.IO;44using System.Threading.Tasks;45{46    {47        static async Task Main(string[] args)48        {49            using var playwright = await Playwright.CreateAsync();50            await using var browser = await playwright.Chromium.LaunchAsync();51            var page = await browser.NewPageAsync();52            var handle = await page.QuerySelectorAsync("input");53            var stream = await handle.CreateInputStreamAsync();54            var streamWriter = new StreamWriter(stream);55            await streamWriter.WriteAsync("Hello World");56            await streamWriter.FlushAsync();57            stream.Close();58        }59    }60}

Using AI Code Generation

1using Microsoft.Playwright;2using System;3using System.Threading.Tasks;4{5    {6        static async Task Main(string[] args)7        {8            await using var playwright = await Playwright.CreateAsync();9            await using var browser = await playwright.Chromium.LaunchAsync();10            var page = await browser.NewPageAsync();11            var elementHandle = await page.QuerySelectorAsync("input[name='q']");12            await elementHandle.ClickAsync();13            await elementHandle.FillAsync("Hello World!\\n");14            await stream.CloseAsync();15        }16    }17}18using Microsoft.Playwright;19using System;20using System.Threading.Tasks;21{22    {23        static async Task Main(string[] args)24        {25            await using var playwright = await Playwright.CreateAsync();26            await using var browser = await playwright.Chromium.LaunchAsync();27            var page = await browser.NewPageAsync();28            var elementHandle = await page.QuerySelectorAsync("input[name='q']");29            await elementHandle.ClickAsync();30            await elementHandle.FillAsync("Hello World!\\n");31            stream.Dispose();32        }33    }34}35using Microsoft.Playwright;36using System;37using System.Threading.Tasks;38{39    {40        static async Task Main(string[] args)41        {42            await using var playwright = await Playwright.CreateAsync();43            await using var browser = await playwright.Chromium.LaunchAsync();44            var page = await browser.NewPageAsync();45            var elementHandle = await page.QuerySelectorAsync("input[name='q']");46            await elementHandle.ClickAsync();47            await elementHandle.FillAsync("Hello World!\\n");48            var stream = await page.OpenAsync("

Using AI Code Generation

1using Microsoft.Playwright;2using Microsoft.Playwright.Core;3using System;4using System.IO;5{6    {7        static async System.Threading.Tasks.Task Main(string[] args)8        {9            using var playwright = await Playwright.CreateAsync();10            await using var browser = await playwright.Firefox.LaunchAsync(new BrowserTypeLaunchOptions11            {12            });13            var page = await browser.NewPageAsync();14            var input = await page.QuerySelectorAsync("input[title='Search']");15            await input.TypeAsync("Hello World");16            var file = File.OpenWrite("2.cs");17            var stream = new WritableStream(file, true);18            await stream.WriteAsync("Hello World");19            await stream.CloseAsync();20        }21    }22}

Using AI Code Generation

1{2    public static async Task Main(string[] args)3    {4        await using var playwright = await Playwright.CreateAsync();5        await using var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions6        {7        });8        var context = await browser.NewContextAsync(new BrowserNewContextOptions9        {10        });11        var page = await context.NewPageAsync();12        var download = page.WaitForEventAsync(PageEvent.Download);13        var downloadTask = download.Result;14        var stream = await downloadTask.CreateReadStreamAsync();15        await stream.CloseAsync();16        await browser.CloseAsync();17    }18}19Thanks for your response. I am trying to close the stream before the download is finished. I am trying to abort the download before it finishes. I am using the AbortAsync method but I am getting an error that says "The type or namespace name 'WritableStream' does not exist in the namespace 'Microsoft.Playwright.Core' (are you missing an assembly reference?)". I have tried using Microsoft.Playwright.Core.WritableStream and Microsoft.Playwright.WritableStream but neither one works. I have also tried adding the Microsoft.Playwright.Core assembly reference to my

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