// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt) // This code is distributed under MIT X11 license (for details please see \doc\license.txt) using System; namespace aa { public static class CustomAttributes { [Flags] public enum EnumWithFlag { All = 15, None = 0, Item1 = 1, Item2 = 2, Item3 = 4, Item4 = 8 } [AttributeUsage(AttributeTargets.All)] public class MyAttribute : Attribute { public MyAttribute(object val) { } } [CustomAttributes.MyAttribute(CustomAttributes.EnumWithFlag.Item1 | CustomAttributes.EnumWithFlag.Item2)] private static int field; [CustomAttributes.MyAttribute(CustomAttributes.EnumWithFlag.All)] public static string Property { get { return "aa"; } } [Obsolete("some message")] public static void ObsoletedMethod() { //Console.WriteLine("{0} $$$ {1}", AttributeTargets.Interface, (AttributeTargets)(AttributeTargets.Property | AttributeTargets.Field)); Console.WriteLine("{0} $$$ {1}", AttributeTargets.Interface, AttributeTargets.Property | AttributeTargets.Field); AttributeTargets attributeTargets = AttributeTargets.Property | AttributeTargets.Field; Console.WriteLine("{0} $$$ {1}", AttributeTargets.Interface, attributeTargets); } // No Boxing [CustomAttributes.MyAttribute(new StringComparison[] { StringComparison.Ordinal, StringComparison.CurrentCulture })] public static void ArrayAsAttribute1() { } // Boxing of each array element [CustomAttributes.MyAttribute(new object[] { StringComparison.Ordinal, StringComparison.CurrentCulture })] public static void ArrayAsAttribute2() { } } }