SoapFieldAttribute.cs

using System.Reflection;
using System.Runtime.InteropServices;

namespace System.Runtime.Remoting.Metadata
{
    [AttributeUsage(AttributeTargets.Field)]
    [ComVisible(true)]
    public sealed class SoapFieldAttribute : SoapAttribute
    {
        [Serializable]
        [Flags]
        private enum ExplicitlySet
        {
            None = 0x0,
            XmlElementName = 0x1
        }

        private ExplicitlySet _explicitlySet;

        private string _xmlElementName;

        private int _order;

        public string XmlElementName
        {
            get
            {
                if (_xmlElementName == null && ReflectInfo != null)
                {
                    _xmlElementName = ((FieldInfo)ReflectInfo).Name;
                }
                return _xmlElementName;
            }
            set
            {
                _xmlElementName = value;
                _explicitlySet |= ExplicitlySet.XmlElementName;
            }
        }

        public int Order
        {
            get
            {
                return _order;
            }
            set
            {
                _order = value;
            }
        }

        public bool IsInteropXmlElement()
        {
            return (_explicitlySet & ExplicitlySet.XmlElementName) != ExplicitlySet.None;
        }
    }
}