/** * Returns <code>true</code> if the receiver is visible and all of the receiver's ancestors are * visible and <code>false</code> otherwise. * * @return the receiver's visibility 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 #getVisible */ public boolean isVisible() { checkWidget(); return OS.QWidget_isVisible(handle); }