如何将搜索到的项目滚动到Wpf中的GridView视图中

时间:2013-03-18 10:48:17

标签: c# .net wpf

作为对this问题的引用,我想知道如何将搜索到的项目滚动到网格视图的视图中

1 个答案:

答案 0 :(得分:4)

您可以创建AttachedProperty来跟踪SelectedTtem并在需要时将其滚动到视图中。

   // Using a DependencyProperty as the backing store for AutoScrollToSelectedRow.  This enables animation, styling, binding, etc...
    public static readonly DependencyProperty AutoScrollToSelectedRowProperty =
        DependencyProperty.RegisterAttached("AutoScrollToSelectedRow", typeof(bool), typeof(DataGridTextSearch)
        , new UIPropertyMetadata(false, OnAutoScrollToSelectedRowChanged));

    public static bool GetAutoScrollToSelectedRow(DependencyObject obj)
    {
        return (bool)obj.GetValue(AutoScrollToSelectedRowProperty);
    }

    public static void SetAutoScrollToSelectedRow(DependencyObject obj, bool value)
    {
        obj.SetValue(AutoScrollToSelectedRowProperty, value);
    }

    public static void OnAutoScrollToSelectedRowChanged(DependencyObject s, DependencyPropertyChangedEventArgs e)
    {
        var datagrid = s as DataGrid;
        if (datagrid != null)
        {
            datagrid.IsSynchronizedWithCurrentItem = true;
            datagrid.EnableRowVirtualization = !((bool)e.NewValue);
            datagrid.SelectionChanged += (g, a) =>
            {
                if (datagrid.SelectedItem != null)
                {
                    datagrid.ScrollIntoView(datagrid.SelectedItem);
                }
            };
        }
    }

用法:

 <DataGrid local:DataGridTextSearch.AutoScrollToSelectedRow="True"