C# 如何在C中向窗口添加滚动条#

我创建了一个窗口，如下所示：

Window myWindow = new Window();

---

如何将垂直滚动条添加到此窗口，并使滚动条仅在高度不足以显示所有元素时可见。

无法将滚动条添加到窗口本身。只能向控件添加滚动条。也就是说，你的窗户里面有一个格子

例如：

<Grid  ScrollViewer.CanContentScroll="True"
       ScrollViewer.HorizontalScrollBarVisibility="Auto">
   ...
</Grid>

您可以向窗口中添加一个元素，并将必要的控件放入ScrollViewer控件中

试试这个

var xpage = your user control or page to which scroll bar need to be added at runtime

            xpage.SetValue(ScrollViewer.CanContentScrollProperty, true);
            xpage.SetValue(ScrollViewer.HorizontalScrollBarVisibilityProperty, ScrollBarVisibility.Auto);
            xpage.SetValue(ScrollViewer.VerticalScrollBarVisibilityProperty, ScrollBarVisibility.Auto);

            var scrollViewer = xpage.Content as ScrollViewer;
            if (scrollViewer != null)
            {
                var content = scrollViewer.Content;
                scrollViewer.Content = null;
                xpage.Content = content;
            }
            else
            {
                var content = xpage.Content;
                xpage.Content = null;
                xpage.Content = new ScrollViewer { Content = content };
            }

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谢谢你的回复。我没有使用XAML创建网格，而是使用Grid编程创建了它。我应该设置网格的哪些属性来获取滚动条？我没有ScrollViewer属性。你用的是什么版本的.NET？@Gunner-我用的是.NET3.5SP1。ScrollViewer位于System.Windows.Controls.ScrollViewer中

<ScrollViewer VerticalScrollBarVisibility="Auto">
    ...
</ScrollViewer>

ScrollViewer viewer = new ScrollViewer();
viewer.VerticalScrollBarVisibility = ScrollBarVisibility.Auto;
// append scroll viewer to window

var xpage = your user control or page to which scroll bar need to be added at runtime

            xpage.SetValue(ScrollViewer.CanContentScrollProperty, true);
            xpage.SetValue(ScrollViewer.HorizontalScrollBarVisibilityProperty, ScrollBarVisibility.Auto);
            xpage.SetValue(ScrollViewer.VerticalScrollBarVisibilityProperty, ScrollBarVisibility.Auto);

            var scrollViewer = xpage.Content as ScrollViewer;
            if (scrollViewer != null)
            {
                var content = scrollViewer.Content;
                scrollViewer.Content = null;
                xpage.Content = content;
            }
            else
            {
                var content = xpage.Content;
                xpage.Content = null;
                xpage.Content = new ScrollViewer { Content = content };
            }