NativeMethods.cs

using System;
using System.Runtime.InteropServices;

namespace KusaMochiAutoLibrary.NativeFunctions
{
    [StructLayout(LayoutKind.Sequential)]
    public struct Win32Point
    {
        public Int32 X;
        public Int32 Y;
    };

    [StructLayout(LayoutKind.Sequential)]
    internal struct MSLLHOOKSTRUCT
    {
        internal Win32Point pt;
        internal int mouseData;
        internal int flags;
        internal int time;
        internal IntPtr dwExtraInfo;
    }

    [StructLayout(LayoutKind.Sequential)]
    internal struct KBDLLHOOKSTRUCT
    {
        internal int vkCode;
        internal int scanCode;
        internal int flags;
        internal int time;
        internal IntPtr dwExtraInfo;
    };

    internal static class NativeMethods
    {
        internal const int MOUSEEVENTF_MOVE = 0x1;
        internal const int MOUSEEVENTF_ABSOLUTE = 0x8000;
        internal const int MOUSEEVENTF_LEFTDOWN = 0x2;
        internal const int MOUSEEVENTF_LEFTUP = 0x4;
        internal const int MOUSEEVENTF_RIGHTDOWN = 0x8;
        internal const int MOUSEEVENTF_RIGHTUP = 0x10;
        internal const int MOUSEEVENTF_MIDDLEDOWN = 0x20;
        internal const int MOUSEEVENTF_MIDDLEUP = 0x40;
        internal const int MOUSEEVENTF_WHEEL = 0x800;
        internal const int WHEEL_DELTA = 120;

        internal const int KEYEVENTF_KEYDOWN = 0x0;
        internal const int KEYEVENTF_KEYUP = 0x2;
        internal const int KEYEVENTF_EXTENDEDKEY = 0x1;

        internal enum HookType
        {
            WH_KEYBOARD_LL = 13,
            WH_MOUSE_LL = 14
        }

        internal enum MouseMessage
        {
            WM_LBUTTONDOWN = 0x0201,
            WM_LBUTTONUP = 0x0202,
            WM_MOUSEMOVE = 0x0200,
            WM_MOUSEWHEEL = 0x020A,
            WM_RBUTTONDOWN = 0x0204,
            WM_RBUTTONUP = 0x0205,
            WM_MBUTTONDOWN = 0x0207,
            WM_MBUTTONUP = 0x0208
        }

        internal enum KeyboardMessage
        {
            WM_KEYDOWN = 0x0100,
            WM_KEYUP = 0x0101,
            WM_SYSKEYDOWN = 0x0104,
            WM_SYSKEYUP = 0x0105
        }

        internal delegate IntPtr LowLevelMouseKeyboardProc(int nCode, IntPtr wParam, IntPtr lParam);

        #region user32.dll

        [DllImport("user32.dll")]
        internal static extern bool GetCursorPos(ref Win32Point pt);

        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        internal static extern IntPtr SetWindowsHookEx(int idHook, LowLevelMouseKeyboardProc lpfn, IntPtr hMod, uint dwThreadId);

        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        [return: MarshalAs(UnmanagedType.Bool)]
        internal static extern bool UnhookWindowsHookEx(IntPtr hhk);

        [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        internal static extern IntPtr CallNextHookEx(IntPtr hhk, int nCode, IntPtr wParam, IntPtr lParam);

        #endregion

        #region kernel32.dll

        [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        internal static extern IntPtr GetModuleHandle(string lpModuleName);

        #endregion
    }
}