System 2.0.0.0 4.0.0.0 System.Attribute System.AttributeUsage(System.AttributeTargets.Property) The class associates settings information with a settings property. The class will ignore all properties not marked with this or a derived attribute. Represents a custom settings attribute used to associate settings information with a settings property. Constructor 2.0.0.0 4.0.0.0 To be added. Initializes a new instance of the class.