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Kevin Krüger
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VideoBrowser/Controls/CefSharpBrowser/CefSharpBrowser.xaml.cs
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300
VideoBrowser/Controls/CefSharpBrowser/CefSharpBrowser.xaml.cs
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namespace VideoBrowser.Controls.CefSharpBrowser
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{
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using CefSharp;
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using CefSharp.Wpf;
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using System.Windows;
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using System.Windows.Input;
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using VideoBrowser.Common;
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using VideoBrowser.Controls.CefSharpBrowser.Handlers;
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using VideoBrowser.Controls.CefSharpBrowser.Helpers;
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using VideoBrowser.Helpers;
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/// <summary>
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/// Interaction logic for CefSharpBrowser.xaml.
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/// </summary>
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public partial class CefSharpBrowser
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{
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#region Fields
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public static readonly DependencyProperty BackwardCommandProperty =
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DependencyProperty.Register(nameof(BackwardCommand), typeof(ICommand), typeof(CefSharpBrowser), new PropertyMetadata(null));
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public static readonly DependencyProperty ForwardCommandProperty =
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DependencyProperty.Register(nameof(ForwardCommand), typeof(ICommand), typeof(CefSharpBrowser), new PropertyMetadata(null));
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public static readonly DependencyProperty IsAirspaceVisibleProperty =
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DependencyProperty.Register(nameof(IsAirspaceVisible), typeof(bool), typeof(CefSharpBrowser), new PropertyMetadata(false));
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public static readonly DependencyProperty IsFullScreenCommandProperty =
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DependencyProperty.Register(nameof(IsFullScreenCommand), typeof(ICommand), typeof(CefSharpBrowser), new PropertyMetadata(null, OnIsFullScreenCommandChanged));
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public static readonly DependencyProperty ReloadCommandProperty =
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DependencyProperty.Register(nameof(ReloadCommand), typeof(ICommand), typeof(CefSharpBrowser), new PropertyMetadata(null));
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public static readonly DependencyProperty TitleProperty =
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DependencyProperty.Register(nameof(Title), typeof(string), typeof(CefSharpBrowser), new FrameworkPropertyMetadata("Home", FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));
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public static readonly DependencyProperty UrlProperty =
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DependencyProperty.Register(nameof(Url), typeof(string), typeof(CefSharpBrowser), new FrameworkPropertyMetadata(string.Empty, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault, OnUrlChanged));
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public static readonly DependencyProperty WebBrowserProperty =
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DependencyProperty.Register(nameof(WebBrowser), typeof(IWebBrowser), typeof(CefSharpBrowser), new PropertyMetadata(null));
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#endregion Fields
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#region Constructors
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/// <summary>
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/// Initializes a new instance of the <see cref="CefSharpBrowser"/> class.
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/// </summary>
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public CefSharpBrowser()
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{
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Initialize();
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this.CefDisplayHandler = new CefDisplayHandler();
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this.InitializeComponent();
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this.ChromiumWebBrowser.TitleChanged += this.OnChromiumWebBrowser_TitleChanged;
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this.Loaded += this.OnLoaded;
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}
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#endregion Constructors
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#region Properties
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/// <summary>
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/// Gets or sets the BackwardCommand.
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/// </summary>
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public ICommand BackwardCommand
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{
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get { return (ICommand)GetValue(BackwardCommandProperty); }
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set { SetValue(BackwardCommandProperty, value); }
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}
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/// <summary>
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/// Gets the CefSettings.
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/// </summary>
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public CefSettings CefSettings { get; }
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/// <summary>
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/// Gets or sets the ForwardCommand.
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/// </summary>
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public ICommand ForwardCommand
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{
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get { return (ICommand)GetValue(ForwardCommandProperty); }
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set { SetValue(ForwardCommandProperty, value); }
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}
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/// <summary>
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/// Gets or sets a value indicating whether IsAirspaceVisible.
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/// </summary>
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public bool IsAirspaceVisible
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{
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get { return (bool)GetValue(IsAirspaceVisibleProperty); }
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set { SetValue(IsAirspaceVisibleProperty, value); }
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}
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/// <summary>
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/// Gets or sets the IsFullScreenCommand.
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/// </summary>
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public ICommand IsFullScreenCommand
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{
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get { return (ICommand)GetValue(IsFullScreenCommandProperty); }
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set { SetValue(IsFullScreenCommandProperty, value); }
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}
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/// <summary>
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/// Gets or sets the ReloadCommand.
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/// </summary>
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public ICommand ReloadCommand
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{
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get { return (ICommand)GetValue(ReloadCommandProperty); }
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set { SetValue(ReloadCommandProperty, value); }
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}
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/// <summary>
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/// Gets or sets the Title.
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/// </summary>
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public string Title
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{
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get { return (string)GetValue(TitleProperty); }
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set { SetValue(TitleProperty, value); }
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}
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/// <summary>
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/// Gets or sets the Url.
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/// </summary>
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public string Url
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{
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get { return (string)GetValue(UrlProperty); }
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set { SetValue(UrlProperty, value); }
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}
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/// <summary>
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/// Gets or sets the WebBrowser.
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/// </summary>
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public IWebBrowser WebBrowser
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{
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get { return (IWebBrowser)this.GetValue(WebBrowserProperty); }
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set { this.SetValue(WebBrowserProperty, value); }
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}
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/// <summary>
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/// Gets or sets a value indicating whether CanBackward.
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/// </summary>
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private bool CanBackward { get; set; }
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/// <summary>
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/// Gets or sets a value indicating whether CanForward.
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/// </summary>
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private bool CanForward { get; set; }
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/// <summary>
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/// Gets or sets a value indicating whether CanReload.
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/// </summary>
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private bool CanReload { get; set; }
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/// <summary>
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/// Gets the CefDisplayHandler.
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/// </summary>
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private CefDisplayHandler CefDisplayHandler { get; }
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#endregion Properties
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#region Methods
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/// <summary>
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/// The Initialize.
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/// </summary>
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public static void Initialize()
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{
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if (!Cef.IsInitialized)
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{
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System.AppContext.SetSwitch("Switch.System.Windows.Input.Stylus.EnablePointerSupport", true);
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const bool multiThreadedMessageLoop = true;
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var browserProcessHandler = new BrowserProcessHandler();
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var settings = new CefSettings
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{
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//UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0",
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MultiThreadedMessageLoop = multiThreadedMessageLoop,
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ExternalMessagePump = !multiThreadedMessageLoop
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};
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settings.PersistSessionCookies = true;
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settings.SetOffScreenRenderingBestPerformanceArgs();
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settings.CefCommandLineArgs.Remove("disable-gpu-compositing");
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CefConfig.Init(settings, browserProcessHandler: browserProcessHandler);
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}
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}
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/// <summary>
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/// The OnIsFullScreenCommandChanged.
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/// </summary>
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/// <param name="d">The d<see cref="DependencyObject"/>.</param>
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/// <param name="e">The e<see cref="DependencyPropertyChangedEventArgs"/>.</param>
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private static void OnIsFullScreenCommandChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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var browser = (CefSharpBrowser)d;
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var isFullScreenCommand = (ICommand)e.NewValue;
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browser.CefDisplayHandler.IsFullScreenCommand = isFullScreenCommand;
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}
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/// <summary>
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/// The OnUrlChanged.
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/// </summary>
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/// <param name="d">The d<see cref="DependencyObject"/>.</param>
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/// <param name="e">The e<see cref="DependencyPropertyChangedEventArgs"/>.</param>
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private static void OnUrlChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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UIThreadHelper.InvokeAsync(() =>
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{
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CommandManager.InvalidateRequerySuggested();
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});
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}
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/// <summary>
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/// The OnBackward.
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/// </summary>
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/// <param name="obj">The obj<see cref="object"/>.</param>
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private void OnBackward(object obj)
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{
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if (this.WebBrowser.CanGoBack)
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{
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this.WebBrowser.Back();
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}
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}
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/// <summary>
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/// The OnChromiumWebBrowser_TitleChanged.
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/// </summary>
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/// <param name="sender">The sender<see cref="object"/>.</param>
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/// <param name="e">The e<see cref="DependencyPropertyChangedEventArgs"/>.</param>
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private void OnChromiumWebBrowser_TitleChanged(object sender, DependencyPropertyChangedEventArgs e)
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{
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UIThreadHelper.InvokeAsync(() => this.Title = (string)e.NewValue);
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}
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/// <summary>
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/// The OnForward.
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/// </summary>
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/// <param name="obj">The obj<see cref="object"/>.</param>
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private void OnForward(object obj)
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{
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if (this.WebBrowser.CanGoForward)
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{
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this.WebBrowser.Forward();
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}
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}
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/// <summary>
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/// The OnLoaded.
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/// </summary>
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/// <param name="sender">The sender<see cref="object"/>.</param>
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/// <param name="e">The e<see cref="RoutedEventArgs"/>.</param>
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private void OnLoaded(object sender, RoutedEventArgs e)
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{
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this.Loaded -= this.OnLoaded;
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this.WebBrowser = this.ChromiumWebBrowser;
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this.WebBrowser.LoadingStateChanged += OnWebBrowser_LoadingStateChanged;
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this.WebBrowser.LoadError += OnWebBrowser_LoadError;
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this.WebBrowser.DisplayHandler = this.CefDisplayHandler;
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this.WebBrowser.KeyboardHandler = new CefKeyboardHandler(this.ChromiumWebBrowser);
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this.BackwardCommand = new RelayCommand(this.OnBackward, "Backward", (o) => this.CanBackward);
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this.ForwardCommand = new RelayCommand(this.OnForward, "Forward", (o) => this.CanForward);
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this.ReloadCommand = new RelayCommand(this.OnReload, "Reload", (o) => this.CanReload);
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}
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/// <summary>
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/// The OnReload.
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/// </summary>
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/// <param name="obj">The obj<see cref="object"/>.</param>
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private void OnReload(object obj)
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{
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this.WebBrowser.Reload(true);
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}
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/// <summary>
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/// The OnWebBrowser_LoadError.
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/// </summary>
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/// <param name="sender">The sender<see cref="object"/>.</param>
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/// <param name="e">The e<see cref="LoadErrorEventArgs"/>.</param>
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private void OnWebBrowser_LoadError(object sender, LoadErrorEventArgs e)
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{
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}
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/// <summary>
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/// The OnWebBrowser_LoadingStateChanged.
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/// </summary>
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/// <param name="sender">The sender<see cref="object"/>.</param>
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/// <param name="e">The e<see cref="LoadingStateChangedEventArgs"/>.</param>
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private void OnWebBrowser_LoadingStateChanged(object sender, LoadingStateChangedEventArgs e)
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{
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UIThreadHelper.Invoke(() =>
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{
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this.CanBackward = e.CanGoBack;
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this.CanForward = e.CanGoForward;
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this.CanReload = e.CanReload;
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});
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}
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#endregion Methods
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}
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}
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