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是否可以创建一个包含带有 uri 源的 web 视图的弹出元素（例如http://www.youtube.com/embed/z-m6Ua9Iqkg）？单击按钮后如何在屏幕中央显示一个弹出窗口？

1）是的，我搜索了互联网，但我不知道如何将网页视图元素放在弹出窗口中，因为点击后它只显示空白的白色矩形（5x10）。2）我使用了弹出卡利普索，再次只显示空白的白色矩形（5x10）：

        Flyout flyOut = new Flyout();
        flyOut.PlacementTarget = sender as UIElement;
        flyOut.Placement = PlacementMode.Top;

        WebView web = new WebView();
        web.HorizontalAlignment=HorizontalAlignment.Center;
        web.VerticalAlignment = VerticalAlignment.Center;
        string html = "http://www.youtube.com/embed/z-m6Ua9Iqkg";

        flyOut.Content = web;
        web.NavigateToString(html);
        flyOut.IsOpen = true;

        UpdateLayout();

最后，我有这个（问题解决了，感谢来自 MSDN 的 Sachin S），我希望这可以帮助某人：

Popup popup = new Popup();

        Grid panel = new Grid();

        panel.Height = 250;
        panel.Width = 250;

        panel.Transitions = new TransitionCollection();
        panel.Transitions.Add(new PopupThemeTransition());
        WebView web = new WebView();
        //web.HorizontalAlignment = HorizontalAlignment.Center;
        //web.VerticalAlignment = VerticalAlignment.Center;
        web.Navigate(item.PlayerUri);
        popup.Child = panel;
        panel.Children.Add(web);
        popup.HorizontalAlignment = HorizontalAlignment.Center;
        popup.VerticalAlignment = VerticalAlignment.Center;


        popup.HorizontalOffset = (Window.Current.Bounds.Width / 2 - panel.Width / 2);
        popup.VerticalOffset = (Window.Current.Bounds.Height / 2 - panel.Height / 2);

        popup.IsOpen = true;
        UpdateLayout();
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1 回答 1

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最后，我有这个（问题解决了，感谢来自 MSDN 的 Sachin S），我希望这可以帮助某人：

Popup popup = new Popup();

        Grid panel = new Grid();

        panel.Height = 250;
        panel.Width = 250;

        panel.Transitions = new TransitionCollection();
        panel.Transitions.Add(new PopupThemeTransition());
        WebView web = new WebView();
        //web.HorizontalAlignment = HorizontalAlignment.Center;
        //web.VerticalAlignment = VerticalAlignment.Center;
        web.Navigate(item.PlayerUri);
        popup.Child = panel;
        panel.Children.Add(web);
        popup.HorizontalAlignment = HorizontalAlignment.Center;
        popup.VerticalAlignment = VerticalAlignment.Center;


        popup.HorizontalOffset = (Window.Current.Bounds.Width / 2 - panel.Width / 2);
        popup.VerticalOffset = (Window.Current.Bounds.Height / 2 - panel.Height / 2);

        popup.IsOpen = true;
        UpdateLayout();
于 2013-05-16T04:52:43.117 回答