如何在WPF窗口中移动网格面板

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <Grid x:Name="gridPanel" Background="LightBlue">
        <TextBlock Text="这是一个网格面板" HorizontalAlignment="Center" VerticalAlignment="Center" />
    </Grid>
</Window>

using System.Windows;
using System.Windows.Input;

namespace WpfApp1
{
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            gridPanel.MouseDown += GridPanel_MouseDown;
            gridPanel.MouseMove += GridPanel_MouseMove;
        }

        private void GridPanel_MouseDown(object sender, MouseButtonEventArgs e)
        {
            if (e.LeftButton == MouseButtonState.Pressed)
            {
                DragMove();
            }
        }

        private void GridPanel_MouseMove(object sender, MouseEventArgs e)
        {
            if (e.LeftButton == MouseButtonState.Pressed)
            {
                DragMove();
            }
        }
    }
}