public class WinIOLab

    {

        private const int KBC_KEY_CMD = 0x64;

        private const int KBC_KEY_DATA = 0x60;

        [DllImport("winio.dll")]

        private static extern bool InitializeWinIo();

        [DllImport("winio.dll")]

        private static extern bool GetPortVal(IntPtr wPortAddr, out int pdwPortVal, byte bSize);

        [DllImport("winio.dll")]

        private static extern bool SetPortVal(uint wPortAddr, IntPtr dwPortVal, byte bSize);

        [DllImport("winio.dll")]

        private static extern byte MapPhysToLin(byte pbPhysAddr, uint dwPhysSize, IntPtr PhysicalMemoryHandle);

        [DllImport("winio.dll")]

        private static extern bool UnmapPhysicalMemory(IntPtr PhysicalMemoryHandle, byte pbLinAddr);

        [DllImport("winio.dll")]

        private static extern bool GetPhysLong(IntPtr pbPhysAddr, byte pdwPhysVal);

        [DllImport("winio.dll")]

        private static extern bool SetPhysLong(IntPtr pbPhysAddr, byte dwPhysVal);

        [DllImport("winio.dll")]

        private static extern void ShutdownWinIo();

        [DllImport("user32.dll")]

        private static extern int MapVirtualKey(uint Ucode, uint uMapType);

        private WinIOLab()

        {

            IsInitialize = true;

        }

        public static void Initialize()

        {

            if (InitializeWinIo())

            {

                KBCWait4IBE();

                IsInitialize = true;

            }

        }

        public static void Shutdown()

        {

            if (IsInitialize)

                ShutdownWinIo();

            IsInitialize = false;

        }

        private static bool IsInitialize { get; set; }

        ///等待键盘缓冲区为空

        private static void KBCWait4IBE()

        {

            int dwVal = 0;

            do

            {

                bool flag = GetPortVal((IntPtr)0x64, out dwVal, 1);

            }

            while ((dwVal & 0x2) > 0);

        }

        /// 模拟键盘标按下

        public static void KeyDown(Keys vKeyCoad)

        {

            if (!IsInitialize) return;

            int btScancode = 0;

            btScancode = MapVirtualKey((uint)vKeyCoad, 0);

            KBCWait4IBE();

            SetPortVal(KBC_KEY_CMD, (IntPtr)0xD2, 1);

            KBCWait4IBE();

            SetPortVal(KBC_KEY_DATA, (IntPtr)0x60, 1);

            KBCWait4IBE(); 

            SetPortVal(KBC_KEY_CMD, (IntPtr)0xD2, 1);

            KBCWait4IBE();

            SetPortVal(KBC_KEY_DATA, (IntPtr)btScancode, 1);

        }

        /// 模拟键盘弹出

        public static void KeyUp(Keys vKeyCoad)

        {

            if (!IsInitialize) return;

            int btScancode = 0;

            btScancode = MapVirtualKey((uint)vKeyCoad, 0);

            KBCWait4IBE(); 

            SetPortVal(KBC_KEY_CMD, (IntPtr)0xD2, 1); 

            KBCWait4IBE();

            SetPortVal(KBC_KEY_DATA, (IntPtr)0x60, 1);

            KBCWait4IBE(); 

            SetPortVal(KBC_KEY_CMD, (IntPtr)0xD2, 1); 

            KBCWait4IBE();

            SetPortVal(KBC_KEY_DATA, (IntPtr)(btScancode | 0x80), 1);

        }

    }

　  keyDown和keyUp的信息都是用0x60，而keyUp则是在Key加上了 or 0x80 而已。

　　但是使用winIO.dll的办法在Win7 64x 上用不了的，根本注册不了驱动，不知有没有人研究得出解决办法。有的话请联系我：Anima.My@Gmail.com，谢谢。