/**
* Returns <code>true</code> if the receiver is enabled and all of the receiver's ancestors are
* enabled, and <code>false</code> otherwise. A disabled control is typically not selectable from
* the user interface and draws with an inactive or "grayed" look.
*
* @return the receiver's enabled state
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*
* @see #getEnabled
*/
public boolean isEnabled() {
checkWidget();
return getEnabled() && parent.isEnabled();
}
