1 // CS0579: The attribute `ConditionalAttributeTesting.SomeAttribute' cannot be applied multiple times
5 using System.Diagnostics;
7 namespace ConditionalAttributeTesting
13 public static void Test ()
18 [AttributeUsage (AttributeTargets.All)]
19 [Conditional ("NOT_DEFINED")]
20 public sealed class SomeAttribute : Attribute
22 public SomeAttribute (string someText)