/// <summary>
/// Returns if any of the node's parents is a given node.
/// </summary>
/// <param name="parent">The node we want to check if it is a ancestor of this node.</param>
/// <returns>Returns true if this node is a descendant of the given node.</returns>
public bool HasParent(BaseNode parent)
{
if (_parent == null)
{
return(false);
}
if (_parent == parent)
{
return(true);
}
return(_parent.HasParent(parent));
}
