Single and multiple characteristic properties using System; using System.Reflection; [AttributeUsage (AttributeTargets.All, AllowMultiple = true)] // not specified AllowMultiple = true fault report compiled, C # default characteristic single public class SingleUseAttribute: Attribute { Public SingleUsettribute (SINGLEUSE ("AAA")] [SINGLEUSE ("BBB")] [SINGLEUSE ("BBB")] PUBLIC CLASS ServerClass {} PUBLIC CLASS ClientClass {public static void main () {}}
