Function ScanCode

libop/input/keyboard/KeyMessageUtils.h:34–36

}

inline WORD ScanCode(UINT vk_code) {
    return static_cast<WORD>((::MapVirtualKey(vk_code, MAPVK_VK_TO_VSC)) & 0xff);
}

// Windows 键盘消息的 lParam 需要同时带扫描码、扩展键和按下/抬起状态。
inline LPARAM BuildKeyLParam(UINT vk_code, bool key_up, bool alt_context = false) {