AWTEventMulticaster.java 文件源码

public void caretPositionChanged(InputMethodEvent e) {
    if ((a != null) && (a instanceof InputMethodListener)) {
        ((InputMethodListener) a).caretPositionChanged(e);
    }
    if ((b != null) && (b instanceof InputMethodListener)) {
        ((InputMethodListener) b).caretPositionChanged(e);
    }
}