private void Start()
{
if (m_button == null)
{
m_button = GetComponent <Button>();
}
if (m_eventSystem == null)
{
m_eventSystem = GetComponentInParent <IndependentEventSystem>();
}
m_button.onClick.AddListener(OnButtonClick);
}
protected virtual void Start()
{
if (m_eventSystem == null)
{
m_eventSystem = GetComponentInParent <IndependentEventSystem>();
}
if (m_eventSystem == null)
{
m_eventSystem = UnityEventSystem.current as IndependentEventSystem;
}
if (m_selectable == null)
{
m_selectable = GetComponent <Selectable>();
}
m_eventSystem.EventSystemUpdate -= OnEventSystemUpdate;
m_eventSystem.EventSystemLateUpdate -= OnEventSystemLateUpdate;
m_eventSystem.EventSystemUpdate += OnEventSystemUpdate;
m_eventSystem.EventSystemLateUpdate += OnEventSystemLateUpdate;
}