示例#1
0
        public static async Task <int> TakeScreenshotAsync(string url, int width, int height, string[] args)
        {
            try {
                var mainArgs = new CefMainArgs(args);

                // create app
                var app      = new OffscreenApp();
                var exitCode = CefRuntime.ExecuteProcess(mainArgs, app, IntPtr.Zero);
                if (exitCode != -1)
                {
                    return(exitCode);
                }

                // init CEF
                var settings = new CefSettings {
                    SingleProcess            = false,
                    MultiThreadedMessageLoop = true,
                    LogSeverity = CefLogSeverity.Error,
                    LogFile     = "CefGlue.log"
                };
                CefRuntime.Initialize(mainArgs, settings, app, IntPtr.Zero);

                // create browser
                var browser = new OffscreenBrowser(url, width, height);

                // wait for the site to be loaded
                await WaitForBrowserLoadingAsync(browser).ConfigureAwait(false);

                await Task.Delay(1000).ConfigureAwait(false);

                browser.WindowBitmap.Save("output.png");

                // dispose everything
                var host = browser.GetBrowser().GetHost();
                host.CloseBrowser();
                host.Dispose();
                CefRuntime.Shutdown();
                return(0);
            } catch (Exception exc) {
                Console.WriteLine(exc.Message);
            }
            return(-1);
        }
示例#2
0
        public override void Run()
        {
            var mainArgs = new CefMainArgs(new string[] { });
            var app      = new OffscreenApp();

            CefRuntime.ExecuteProcess(mainArgs, app, IntPtr.Zero);

            // init CEF
            var settings = new CefSettings
            {
                SingleProcess            = false,
                MultiThreadedMessageLoop = true,
                LogSeverity = CefLogSeverity.Error,
                LogFile     = "CefGlue.log"
            };

            CefRuntime.Initialize(mainArgs, settings, app, IntPtr.Zero);

            Trace.WriteLine("Starting processing of messages");

            // Initiates the message pump and callback is invoked for each message that is received, calling close on the client will stop the pump.
            Client.OnMessage((receivedMessage) =>
            {
                try
                {
                    // Process the message
                    Trace.WriteLine("Processing Service Bus message: " + receivedMessage.SequenceNumber.ToString());
                    var handler = MessageHandlerFactory.GetMessageHandler(receivedMessage.ContentType);
                    handler.Handle(receivedMessage, CompletedClient);
                    receivedMessage.Complete();
                }
                catch (Exception ex)
                {
                    // Handle any message processing specific exceptions here
                }
            });

            CompletedEvent.WaitOne();
        }