ControlGUI/GUI/Win32Api.cs

using System;
using System.Runtime.InteropServices;

namespace GUI
{
    public class Win32Api
    {
        public const int WM_KEYDOWN = 0x100;
        public const int WM_KEYUP = 0x101;
        public const int WM_SYSKEYDOWN = 0x104;
        public const int WM_SYSKEYUP = 0x105;
        public const int WH_KEYBOARD_LL = 13;
        public const int WH_MOUSE_LL = 14;

        public const int MOUSEEVENTF_LEFTDOWN = 0x0002;
        public const int MOUSEEVENTF_MOVE = 0x0001;
        public const int MOUSEEVENTF_LEFTUP = 0x0004;
        public const int MOUSEEVENTF_ABSOLUTE = 0x8000;
        public const int MOUSEEVENTF_RIGHTDOWN = 0x0008;
        public const int MOUSEEVENTF_RIGHTUP = 0x0010;
        public const int MOUSEEVENTF_MIDDLEDOWN = 0x0020;
        public const int MOUSEEVENTF_MIDDLEUP = 0x0040;

        [StructLayout(LayoutKind.Sequential)]
        public class KeyboardHookStruct
        {
            public int vkCode;
            public int scanCode;
            public int flags;
            public int time;
            public int dwExtraInfo;
        }

        [StructLayout(LayoutKind.Sequential)]
        public class POINT
        {
            public int x;
            public int y;
        }

        [StructLayout(LayoutKind.Sequential)]
        public class MouseHookStruct
        {
            public POINT pt;
            public int hwnd;
            public int wHitTestCode;
            public int dwExtraInfo;
        }

        public delegate int HookProc(int nCode, Int32 wParam, IntPtr lParam);
        [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
        public static extern int SetWindowsHookEx(int idHook, HookProc lpfn, IntPtr hInstance, int threadId);

        [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
        public static extern bool UnhookWindowsHookEx(int idHook);

        [DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
        public static extern int CallNextHookEx(int idHook, int nCode, Int32 wParam, IntPtr lParam);

        [DllImport("user32")]
        public static extern int ToAscii(int uVirtKey, int uScanCode, byte[] lpbKeyState, byte[] lpwTransKey, int fuState);

        [DllImport("user32")]
        public static extern int GetKeyboardState(byte[] pbKeyState);

        [DllImport("kernel32.dll", CharSet = CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
        public static extern IntPtr GetModuleHandle(string lpModuleName);

        [DllImport("kernel32.dll")]
        public static extern void AllocConsole();

        [DllImport("user32")]
        public static extern void mouse_event(int dwFlags, int dx, int dy, int dwData, int dwExtraInfo);
    }
}