Meegu_Run_Class/Hook/KeyboardHook.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace Meegu_Run_Class.Hook
{

    /// <summary>
    /// Captures global keyboard events
    /// </summary>
    public class KeyBoardHook : GlobalHook
    {

        #region Events

        public event KeyEventHandler KeyDown;
        public event KeyEventHandler KeyUp;
        public event KeyPressEventHandler KeyPress;

        #endregion

        #region Constructor

        public KeyBoardHook()
        {
            _hookType = WH_KEYBOARD_LL;
        }

        #endregion

        #region Methods

        protected override int HookCallbackProcedure(int nCode, int wParam, IntPtr lParam)
        {
            bool handled = false;
            if (!_pause && nCode > -1 && (KeyDown != null || KeyUp != null || KeyPress != null))
            {

                KeyboardHookStruct keyboardHookStruct =
                    (KeyboardHookStruct)Marshal.PtrToStructure(lParam, typeof(KeyboardHookStruct));

                // Is Control being held down?
                bool control = ((GetKeyState(VK_LCONTROL) & 0x80) != 0) ||
                               ((GetKeyState(VK_RCONTROL) & 0x80) != 0);

                // Is Shift being held down?
                bool shift = ((GetKeyState(VK_LSHIFT) & 0x80) != 0) ||
                             ((GetKeyState(VK_RSHIFT) & 0x80) != 0);

                // Is Alt being held down?
                bool alt = ((GetKeyState(VK_LALT) & 0x80) != 0) ||
                           ((GetKeyState(VK_RALT) & 0x80) != 0);

                // Is CapsLock on?
                bool capslock = (GetKeyState(VK_CAPITAL) != 0);

                // Create event using keycode and control/shift/alt values found above
                KeyEventArgs e = new KeyEventArgs(
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