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<Window x:Class="WpfApplication6.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">  
        <ListBox Name="LBoxSort" PreviewMouseMove="LBoxSort_OnPreviewMouseMove" Drop="LBoxSort_OnDrop" AllowDrop="True">  
            <TextBox Text="1111"/>  
            <TextBlock Text="2222"/>  
            <TextBlock Text="3333"/>  
            <TextBlock Text="4444"/>  
            <TextBlock Text="5555"/>  
        </ListBox>  
    </Grid>  
</Window>  
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace WpfApplication6
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
        public MainWindow()
            InitializeComponent();
        private void LBoxSort_OnPreviewMouseMove(object sender, MouseEventArgs e)
            if (e.LeftButton == MouseButtonState.Pressed)
                var pos = e.GetPosition(LBoxSort);
                HitTestResult result = VisualTreeHelper.HitTest(LBoxSort, pos);
                if (result == null)
                    return;
                var listBoxItem = Utils.FindVisualParent<ListBoxItem>(result.VisualHit);
                if (listBoxItem == null || listBoxItem.Content != LBoxSort.SelectedItem)
                    return;
                DataObject dataObj = new DataObject(listBoxItem.Content as TextBlock);
                DragDrop.DoDragDrop(LBoxSort, dataObj, DragDropEffects.Move);
        private void LBoxSort_OnDrop(object sender, DragEventArgs e)
            var pos = e.GetPosition(LBoxSort);
            var result = VisualTreeHelper.HitTest(LBoxSort, pos);
            if (result == null)
                return;
            //查找元数据
            var sourcePerson = e.Data.GetData(typeof(TextBlock)) as TextBlock;
            if (sourcePerson == null)
                return;
            //查找目标数据
            var listBoxItem = Utils.FindVisualParent<ListBoxItem>(result.VisualHit);
            if (listBoxItem == null)
                return;
            var targetPerson = listBoxItem.Content as TextBlock;
            if (ReferenceEquals(targetPerson, sourcePerson))
                return;
            LBoxSort.Items.Remove(sourcePerson);
            LBoxSort.Items.Insert(LBoxSort.Items.IndexOf(targetPerson), sourcePerson);
    internal static class Utils
        //根据子元素查找父元素
        public static T FindVisualParent<T>(DependencyObject obj) where T : class
            while (obj != null)
                if (obj is T)
                    return obj as T;
                obj = VisualTreeHelper.GetParent(obj);
            return null;

转载于:https://blog.csdn.net/linraise/article/details/51107252#