MainWindow.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
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;
using System.Runtime.InteropServices;
using System.Windows.Interop;

namespace GlobalMediaControl
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            Microsoft.Win32.SystemEvents.UserPreferenceChanged += SystemEvents_UserPreferenceChanged;
        }
        private void SystemEvents_UserPreferenceChanged(object sender, Microsoft.Win32.UserPreferenceChangedEventArgs e)
        {
            AcrylicWindowHelper.SwitchTheme();
            AcrylicWindowHelper.EnableBlur(this);
        }

        [DllImport("user32.dll", CharSet = CharSet.Auto)]
        private static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam);

        [DllImportAttribute("user32.dll")]
        public static extern bool ReleaseCapture();

        //Attach this to the MouseDown event of your drag control to move the window in place of the title bar
        private void WindowDrag(object sender, MouseButtonEventArgs e) // MouseDown
        {
            if (e.ChangedButton == MouseButton.Left)
                DragMove();
        }

        //Attach this to the PreviewMousLeftButtonDown event of the grip control in the lower right corner of the form to resize the window
        private void WindowResize(object sender, MouseButtonEventArgs e) //PreviewMousLeftButtonDown
        {
            HwndSource hwndSource = PresentationSource.FromVisual((Visual)sender) as HwndSource;
            SendMessage(hwndSource.Handle, 0x112, (IntPtr)61448, IntPtr.Zero);
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            AcrylicWindowHelper.SwitchTheme();
            AcrylicWindowHelper.EnableBlur(this);
        }
    }
}