XmlNotation.cs

namespace System.Xml
{
    public class XmlNotation : XmlNode
    {
        private string publicId;

        private string systemId;

        private string name;

        public override string Name => name;

        public override string LocalName => name;

        public override XmlNodeType NodeType => XmlNodeType.Notation;

        public override bool IsReadOnly => true;

        public string PublicId => publicId;

        public string SystemId => systemId;

        public override string OuterXml => string.Empty;

        public override string InnerXml
        {
            get
            {
                return string.Empty;
            }
            set
            {
                throw new InvalidOperationException(Res.GetString("Xdom_Set_InnerXml"));
            }
        }

        internal XmlNotation(string name, string publicId, string systemId, XmlDocument doc)
            : base(doc)
        {
            this.name = doc.NameTable.Add(name);
            this.publicId = publicId;
            this.systemId = systemId;
        }

        public override XmlNode CloneNode(bool deep)
        {
            throw new InvalidOperationException(Res.GetString("Xdom_Node_Cloning"));
        }

        public override void WriteTo(XmlWriter w)
        {
        }

        public override void WriteContentTo(XmlWriter w)
        {
        }
    }
}