SoapMethodAttribute.cs

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

namespace System.Runtime.Remoting.Metadata
{
    [AttributeUsage(AttributeTargets.Method)]
    [ComVisible(true)]
    public sealed class SoapMethodAttribute : SoapAttribute
    {
        private string _SoapAction;

        private string _responseXmlElementName;

        private string _responseXmlNamespace;

        private string _returnXmlElementName;

        private bool _bSoapActionExplicitySet;

        internal bool SoapActionExplicitySet => _bSoapActionExplicitySet;

        public string SoapAction
        {
            [SecuritySafeCritical]
            get
            {
                if (_SoapAction == null)
                {
                    _SoapAction = XmlTypeNamespaceOfDeclaringType + "#" + ((MemberInfo)ReflectInfo).Name;
                }
                return _SoapAction;
            }
            set
            {
                _SoapAction = value;
                _bSoapActionExplicitySet = true;
            }
        }

        public override bool UseAttribute
        {
            get
            {
                return false;
            }
            set
            {
                throw new RemotingException(Environment.GetResourceString("Remoting_Attribute_UseAttributeNotsettable"));
            }
        }

        public override string XmlNamespace
        {
            [SecuritySafeCritical]
            get
            {
                if (ProtXmlNamespace == null)
                {
                    ProtXmlNamespace = XmlTypeNamespaceOfDeclaringType;
                }
                return ProtXmlNamespace;
            }
            set
            {
                ProtXmlNamespace = value;
            }
        }

        public string ResponseXmlElementName
        {
            get
            {
                if (_responseXmlElementName == null && ReflectInfo != null)
                {
                    _responseXmlElementName = ((MemberInfo)ReflectInfo).Name + "Response";
                }
                return _responseXmlElementName;
            }
            set
            {
                _responseXmlElementName = value;
            }
        }

        public string ResponseXmlNamespace
        {
            get
            {
                if (_responseXmlNamespace == null)
                {
                    _responseXmlNamespace = XmlNamespace;
                }
                return _responseXmlNamespace;
            }
            set
            {
                _responseXmlNamespace = value;
            }
        }

        public string ReturnXmlElementName
        {
            get
            {
                if (_returnXmlElementName == null)
                {
                    _returnXmlElementName = "return";
                }
                return _returnXmlElementName;
            }
            set
            {
                _returnXmlElementName = value;
            }
        }

        private string XmlTypeNamespaceOfDeclaringType
        {
            [SecurityCritical]
            get
            {
                if (ReflectInfo != null)
                {
                    Type declaringType = ((MemberInfo)ReflectInfo).DeclaringType;
                    return XmlNamespaceEncoder.GetXmlNamespaceForType((RuntimeType)declaringType, null);
                }
                return null;
            }
        }
    }
}