/// <summary>
/// 为Screen添加监听器,当Screen的Graph状态发生变化时发生变化时将激发事件
/// </summary>
/// <param name="listener">事件监听器</param>
public void addScreenChangeListener(ScreenChangeListener listener)
{
ScreenChangeListener[] oldValue = lis;
lis = new ScreenChangeListener[oldValue.Length + 1];
int index = 0;
for (; index < oldValue.Length; index++)
{
lis[index] = oldValue[index];
}
lis[index] = listener;
}
public void RemoveHandler(ScreenChangeListener listener)
{
screenChangeListeners.Remove(listener);
}
public void AddHandler(ScreenChangeListener listener)
{
screenChangeListeners.Add(listener);
}
