WToolkit.java 文件源码

@Override
public synchronized void addPropertyChangeListener(String name, PropertyChangeListener pcl) {
    if (name == null) {
        // See JavaDoc for the Toolkit.addPropertyChangeListener() method
        return;
    }
    if ( WDesktopProperties.isWindowsProperty(name)
         || name.startsWith(awtPrefix)
         || name.startsWith(dndPrefix))
    {
        // someone is interested in Windows-specific desktop properties
        // we should initialize wprops
        lazilyInitWProps();
    }
    super.addPropertyChangeListener(name, pcl);
}