WToolkit.java 文件源码

@Override
public boolean getLockingKeyState(int key) {
    if (! (key == KeyEvent.VK_CAPS_LOCK || key == KeyEvent.VK_NUM_LOCK ||
           key == KeyEvent.VK_SCROLL_LOCK || key == KeyEvent.VK_KANA_LOCK)) {
        throw new IllegalArgumentException("invalid key for Toolkit.getLockingKeyState");
    }
    return getLockingKeyStateNative(key);
}