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我正在通过下面的代码生成新窗口并在那里显示一个网页,然后将其关闭。但过了一会儿,软件给出了内存不足的异常。所以发生了内存泄漏。可能是什么原因以及如何解决?谢谢你。

这就是我如何启动新窗口。我正在做一个循环,因此正在启动数千个新窗口。正如您在 60 秒后看到的那样,新窗口会自行关闭。

NewWindowThread<TitleWindow, string>(c => new TitleWindow(c), "the url that is going to be displayed at new window");

private void NewWindowThread<T, P>(Func<P, T> constructor, P param) where T : Window
{
    Thread thread = new Thread(() =>
    {
         T w = constructor(param);
         w.Show();
         w.Closed += (sender, e) => w.Dispatcher.InvokeShutdown();
         System.Windows.Threading.Dispatcher.Run();
    });
    thread.SetApartmentState(ApartmentState.STA);
    thread.Start();
}

public class TitleWindow : Window
{
    WebBrowser webnew = new WebBrowser();
    public TitleWindow(string srUrl)
    {              
         DockPanel dk = new DockPanel();
         dk.Width = 900;
         dk.Height = 600;
         this.AddChild(dk);
         webnew.Navigated += new NavigatedEventHandler(wbMain_Navigated);

         System.Windows.Threading.DispatcherTimer dispatcherTimer3 = new System.Windows.Threading.DispatcherTimer();
         dispatcherTimer3.Tick += new EventHandler(dispatcherTimer_Tick3);
         dispatcherTimer3.Interval = new TimeSpan(0, 0, 0, 60, 0);
         dispatcherTimer3.Start();

         webnew.Height = 600;
         webnew.Width = 900;
         dk.Children.Add(webnew);
         webnew.Navigate(srUrl);

         this.WindowState = WindowState.Minimized;
    }

    void dispatcherTimer_Tick3(object sender, EventArgs e)
    {             
         this.Close();
    }
}
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1 回答 1

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我立即怀疑当窗口关闭时WebBrowser控件没有释放它的资源,因为你没有调用它的Dispose()方法。该WebBrowser控件是围绕 ActiveX MSHTML 控件的薄包装器。

在窗口ClosingClosed事件上添加回调来执行此操作。例如webnew.Dispose()

于 2012-04-01T19:57:52.917 回答