// ------------------------------------------------------------------
// Desc:
// ------------------------------------------------------------------
public void AddChild(exUIControl _ctrl)
{
if (_ctrl == null)
{
return;
}
if (_ctrl.parent == this)
{
return;
}
// you can not add your parent or yourself as your child
if (_ctrl.IsSelfOrAncestorOf(this))
{
return;
}
exUIControl lastParent = _ctrl.parent;
if (lastParent != null)
{
lastParent.RemoveChild(_ctrl);
}
children.Add(_ctrl);
_ctrl.parent = this;
}
// ------------------------------------------------------------------
// Desc:
// ------------------------------------------------------------------
void OnDestroy()
{
if (parent != null)
{
parent.RemoveChild(this);
}
}