better-genshin-impact/BetterGenshinImpact/Helpers/Device/TouchpadManager.cs

namespace BetterGenshinImpact.Helpers.Device;

using System;
using System.Runtime.InteropServices;

public static class TouchpadManager
{
    // 定义 DEVMODE 结构
    [StructLayout(LayoutKind.Sequential)]
    private struct DEVMODE
    {
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
        public string dmDeviceName;
        public ushort dmSpecVersion;
        public ushort dmDriverVersion;
        public ushort dmSize;
        public ushort dmDriverExtra;
        public uint dmFields;
        public int dmPositionX;
        public int dmPositionY;
        public uint dmDisplayOrientation;
        public uint dmDisplayFixedOutput;
        public short dmColor;
        public short dmDuplex;
        public short dmYResolution;
        public short dmTTOption;
        public short dmCollate;
        [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
        public string dmFormName;
        public ushort dmLogPixels;
        public uint dmBitsPerPel;
        public uint dmPelsWidth;
        public uint dmPelsHeight;
        public uint dmDisplayFlags;
        public uint dmDisplayFrequency;
        public uint dmICMMethod;
        public uint dmICMIntent;
        public uint dmMediaType;
        public uint dmDitherType;
        public uint dmReserved1;
        public uint dmReserved2;
        public uint dmPanningWidth;
        public uint dmPanningHeight;
    }

    // 导入 ChangeDisplaySettingsEx 函数
    [DllImport("user32.dll", CharSet = CharSet.Ansi)]
    private static extern int ChangeDisplaySettingsEx(string lpszDeviceName, ref DEVMODE lpDevMode, IntPtr hwnd, uint dwflags, IntPtr lParam);

    private const int DMDO_DEFAULT = 0;
    private const int DMDO_90 = 1;
    private const int DMDO_180 = 2;
    private const int DMDO_270 = 3;
    private const int CDS_UPDATEREGISTRY = 0x01;
    private const int CDS_TEST = 0x02;
    private const int CDS_FULLSCREEN = 0x04;
    private const int CDS_GLOBAL = 0x08;
    private const int CDS_SET_PRIMARY = 0x10;
    private const int CDS_VIDEOPARAMETERS = 0x20;
    private const int CDS_ENABLE_UNSAFE_MODES = 0x100;
    private const int CDS_DISABLE_UNSAFE_MODES = 0x200;
    private const int CDS_RESET = 0x40000000;
    private const int CDS_NORESET = 0x10000000;

    public static void DisableTouchpad()
    {
        DEVMODE devMode = new DEVMODE();
        devMode.dmSize = (ushort)Marshal.SizeOf(typeof(DEVMODE));
        devMode.dmFields = 0x00080000; // DM_DISPLAYORIENTATION
        devMode.dmDisplayOrientation = DMDO_180; // 旋转显示方向

        int result = ChangeDisplaySettingsEx(null, ref devMode, IntPtr.Zero, CDS_UPDATEREGISTRY, IntPtr.Zero);

        if (result == 0)
        {
            Console.WriteLine("触控板已禁用。");
        }
        else
        {
            Console.WriteLine("无法禁用触控板，错误代码: " + result);
        }
    }
}