原文地址在哪忘了，对不起额。
public class WinIOLab { private const int KBC_KEY_CMD = 0x64; private const int KBC_KEY_DATA = 0x60; [DllImport( " winio32.dll ")] private static extern bool InitializeWinIo(); [DllImport( " winio32.dll ")] private static extern bool GetPortVal(IntPtr wPortAddr, out int pdwPortVal, byte bSize); [DllImport( " winio32.dll ")] private static extern bool SetPortVal( uint wPortAddr, IntPtr dwPortVal, byte bSize); [DllImport( " winio32.dll ")] private static extern byte MapPhysToLin( byte pbPhysAddr, uint dwPhysSize, IntPtr PhysicalMemoryHandle); [DllImport( " winio32.dll ")] private static extern bool UnmapPhysicalMemory(IntPtr PhysicalMemoryHandle, byte pbLinAddr); [DllImport( " winio32.dll ")] private static extern bool GetPhysLong(IntPtr pbPhysAddr, byte pdwPhysVal); [DllImport( " winio32.dll ")] private static extern bool SetPhysLong(IntPtr pbPhysAddr, byte dwPhysVal); [DllImport( " winio32.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); } }
调用
WinIOLab.Initialize(); // 注册 WinIOLab.KeyDown(Keys.A); // 按下A WinIOLab.KeyUp(Keys.A); // 松开A WinIOLab.Shutdown(); // 用完后注销