* By default a CheckBoxButton emits a Button::ClickedSignal() signal when the button changes its state to checked or unchecked.
*
* The button's appearance could be modified by setting images or actors with CheckBoxButton::SetBackgroundImage,
* By default a CheckBoxButton emits a Button::ClickedSignal() signal when the button changes its state to checked or unchecked.
*
* The button's appearance could be modified by setting images or actors with CheckBoxButton::SetBackgroundImage,