WindowsApi/Win32/User32/User32Extension.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

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

namespace Utils.WindowsApi
{
    public class User32Extension : User32Base
    {
        #region Field
        private const int WM_SYSCOMMAND = 0x112; //系统消息
        private const int SC_SCREENSAVE = 0xf140; // 启动屏幕保护消息
        private const int SC_MONITORPOWER = 0xF170; //关闭显示器的系统命令
        private const int POWER_OFF = 2; //2 为关闭, 1为省电状态，-1为开机
        private static readonly IntPtr HWND_BROADCAST = new IntPtr(0xffff); //广播消息，所有顶级窗体都会接收
        //移动鼠标 
        public const int MOUSEEVENTF_MOVE = 0x0001;
        //模拟鼠标左键按下 
        public const int MOUSEEVENTF_LEFTDOWN = 0x0002;
        //模拟鼠标左键抬起 
        public const int MOUSEEVENTF_LEFTUP = 0x0004;
        //模拟鼠标右键按下 
        public const int MOUSEEVENTF_RIGHTDOWN = 0x0008;
        //模拟鼠标右键抬起 
        public const int MOUSEEVENTF_RIGHTUP = 0x0010;
        //模拟鼠标中键按下 
        public const int MOUSEEVENTF_MIDDLEDOWN = 0x0020;
        //模拟鼠标中键抬起 
        public const int MOUSEEVENTF_MIDDLEUP = 0x0040;
        //标示是否采用绝对坐标 
        public const int MOUSEEVENTF_ABSOLUTE = 0x8000;
        //模拟鼠标滚轮滚动操作，必须配合dwData参数
        public const int MOUSEEVENTF_WHEEL = 0x0800;

        // 控制改变屏幕分辨率的常量
        public const int ENUM_CURRENT_SETTINGS = -1;
        public const int CDS_UPDATEREGISTRY = 0x01;
        public const int CDS_TEST = 0x02;
        public const int DISP_CHANGE_SUCCESSFUL = 0;
        public const int DISP_CHANGE_RESTART = 1;
        public const int DISP_CHANGE_FAILED = -1;

        // 控制改变方向的常量定义
        public const int DMDO_DEFAULT = 0;
        public const int DMDO_90 = 1;
        public const int DMDO_180 = 2;
        public const int DMDO_270 = 3;

        //注册设备消息相关
        public const int DbtDeviceArrival = 0x8000; // System detected a new device        
        public const int DbtDeviceRemoveComplete = 0x8004; // Device is gone      
        public const int WmDeviceChange = 0x0219; // Device change event    
        private const int DbtDeviceTypeDeviceInterface = 5;
        // https://docs.microsoft.com/en-us/windows-hardware/drivers/install/guid-devinterface-usb-device
        private static readonly Guid GuidDeviceInterfaceUSBDevice = new Guid("A5DCBF10-6530-11D2-901F-00C04FB951ED"); // USB devices
        // https://docs.microsoft.com/en-us/windows-hardware/drivers/install/guid-devinterface-monitor
        private static readonly Guid GuidDeviceInterfaceMonitorDevice = new Guid("E6F07B5F-EE97-4a90-B076-33F57BF4EAA7"); // Monitor devices
        private static IntPtr usbNotificationHandle;