添加钩子 Hook

using System;
using System.ComponentModel;
using System.Runtime.InteropServices;
using Lsj.Util.Win32;
using Lsj.Util.Win32.BaseTypes;
using Lsj.Util.Win32.Enums;

private readonly User32.HOOKPROC _mouseHook;
private IntPtr _hMouseHook;
public void AddHook()
{
    Console.WriteLine("添加钩子……");
    var hModule = Kernel32.GetModuleHandle(null);
    _hMouseHook = User32.SetWindowsHookEx(
        (int)WindowHookTypes.WH_MOUSE_LL,
        _mouseHook,
        hModule,
        0);
    if (_hMouseHook == IntPtr.Zero)
    {
        int errorCode = Marshal.GetLastWin32Error();
        Console.WriteLine($"添加钩子发生错误 {errorCode}");
        throw new Win32Exception(errorCode);
    }
    Console.WriteLine("添加钩子完成。");
}

private LRESULT OnMouseHook(int code, WPARAM wParam, LPARAM lParam)
{
    return User32.CallNextHookEx(new IntPtr(0), code, wParam, lParam);
}