/// <summary>
/// Adds a node to the list of children of this node.
/// </summary>
public void AddChild( Node child )
{
string childName = child.Name;
if ( child == this )
throw new ArgumentException( string.Format( "Node '{0}' cannot be added as a child of itself.", childName ) );
if ( childNodes.ContainsKey( childName ) )
throw new ArgumentException( string.Format( "Node '{0}' already has a child node with the name '{1}'.", this.name, childName ) );
child.RemoveFromParent();
childNodes.Add( childName, child );
child.NotifyOfNewParent( this );
}
