C#屏蔽WIN功能键

          [DllImport("kernel32.dll")]          public static extern IntPtr GetModuleHandle(string name);

          public static void Hook_Start()          {              // 安装键盘钩子               if (hHook == 0)              {                  KeyBoardHookProcedure = new HookProc(KeyBoardHookProc);                  hHook = SetWindowsHookEx(WH_KEYBOARD_LL, KeyBoardHookProcedure,                          GetModuleHandle(Process.GetCurrentProcess().MainModule.ModuleName), 0);                  //如果设置钩子失败.                   if (hHook == 0)                  {                      Hook_Clear();                  }              }          }

          //取消钩子事件           public static void Hook_Clear()          {              bool retKeyboard = true;              if (hHook != 0)              {                  retKeyboard = UnhookWindowsHookEx(hHook);                  hHook = 0;