/// <summary>
/// Returns the name of the model component type, and then its name and index.
/// </summary>
/// <remarks>This is provided as a visual aid. Do not rely on this for serialization.</remarks>
/// <returns></returns>
public override string ToString()
{
return($"{GetType().Name}: {(string.IsNullOrEmpty(Name)?"(unnamed)":Name)} ({RhinoMath.IntIndexToString(Index)})");
}