C/C++模拟按键按下弹起

#define KEY_DOWN(VK_NONAME) ((GetAsyncKeyState(VK_NONAME) & 0x8000) ? 1 : 0)

    //按键按下与弹起
    keybd_event(17, 0, 0, 0); //'ctrl' down
    keybd_event(86, 0, 0, 0); //'v' down

    keybd_event(86, 0, KEYEVENTF_KEYUP, 0); //'v' up
    keybd_event(17, 0, KEYEVENTF_KEYUP, 0); //'ctrl' up

    keybd_event(13, 0, 0, 0);               //'enter' down
    keybd_event(13, 0, KEYEVENTF_KEYUP, 0); //'enter' up