/// <summary>
/// Adds an input node to this node
/// </summary>
/// <param name="node">Input node to add</param>
/// <exception cref="ArgumentNullException">Thrown if node is null</exception>
/// <remarks>
/// If the input node does not contain this node as an output, then this node is added to the
/// input node (<see cref="AddOutputNode"/>)
/// </remarks>
public void AddInputNode( IGraphNode node )
{
if ( node == null )
{
throw new ArgumentNullException( "node" );
}
if ( !m_InputNodes.Contains( node ) )
{
m_InputNodes.Add( node );
if ( InputNodeAdded != null )
{
InputNodeAdded( node );
}
}
if ( !node.OutputNodes.Contains( this ) )
{
node.AddOutputNode( this );
}
}
