public static PercentProperty AddPercentProperty(this Node node, string id, string name = "default", string format = "", bool settable = false, bool retained = true)
{
var prop = new PercentProperty(node, id, name, format, settable, retained);
node.AddProperty(prop);
return(prop);
}
set => SetValue(PercentProperty, value);
set => this.SetValue(PercentProperty, value);