将资源管理器中的拖放文件拖到Telerik WPF树视图中

<Window x:Class=\"WpfApplication1.MainWindow\"
    xmlns=\"http://schemas.microsoft.com/winfx/2006/xaml/presentation\"
    xmlns:x=\"http://schemas.microsoft.com/winfx/2006/xaml\"
    Title=\"MainWindow\" Height=\"350\" Width=\"525\"
    xmlns:core=\"clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls\"
    xmlns:telerik=\"clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Navigation\">
<Grid>

    <telerik:RadTreeView x:Name=\"rtvMain\" AllowDrop=\"True\" IsDragDropEnabled=\"True\" ItemPrepared=\"rtvMain_ItemPrepared\">
        <telerik:RadTreeViewItem Header=\"Sport Categories\">
            <telerik:RadTreeViewItem Header=\"Football\">
                <telerik:RadTreeViewItem Header=\"Futsal\" />
                <telerik:RadTreeViewItem Header=\"Soccer\"/>
            </telerik:RadTreeViewItem>
            <telerik:RadTreeViewItem Header=\"Tennis\"/>
            <telerik:RadTreeViewItem Header=\"Cycling\"/>
        </telerik:RadTreeViewItem>
    </telerik:RadTreeView>
</Grid>

public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();
    }

    private void rtvMain_ItemPrepared(object sender, RadTreeViewItemPreparedEventArgs e)
    {
        e.PreparedItem.Drop += new DragEventHandler(PreparedItem_Drop);
    }

    private void PreparedItem_Drop(object sender, DragEventArgs e)
    {
        var destinationItem = sender as RadTreeViewItem;

        if (destinationItem != null)
        {
            string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
            foreach (string file in files)
            {
                Console.WriteLine(String.Format(\"Trying to put {0} into the folder {1}...\", file, destinationItem));
            }
        }
        e.Handled = true;
    }
}