public bool RemoveSizeChangedListener(SizeChangedCallback callback, object userData)
{
SizeChangedListener item = new SizeChangedListener();
item.SetCallback(callback);
item.SetUserData(userData);
return(this.m_sizeChangedListeners.Remove(item));
}
public bool AddSizeChangedListener(SizeChangedCallback callback, object userData)
{
SizeChangedListener item = new SizeChangedListener();
item.SetCallback(callback);
item.SetUserData(userData);
if (this.m_sizeChangedListeners.Contains(item))
{
return(false);
}
this.m_sizeChangedListeners.Add(item);
return(true);
}