ConditionalAttribute.cs

using System.Runtime.InteropServices;

namespace System.Diagnostics
{
    [Serializable]
    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = true)]
    [ComVisible(true)]
    [__DynamicallyInvokable]
    public sealed class ConditionalAttribute : Attribute
    {
        private string m_conditionString;

        [__DynamicallyInvokable]
        public string ConditionString
        {
            [__DynamicallyInvokable]
            get
            {
                return m_conditionString;
            }
        }

        [__DynamicallyInvokable]
        public ConditionalAttribute(string conditionString)
        {
            m_conditionString = conditionString;
        }
    }
}