public void AddChild(QueryNode child)
{
child.Parent = this;
children.Add(child);
}
public void InsertChild(int index, QueryNode child)
{
child.Parent = this;
children.Insert(index, child);
}
public void RemoveChild(QueryNode child)
{
child.Parent = null;
children.Remove(child);
}
public int IndexOfChild(QueryNode child)
{
return children.IndexOf(child);
}