System.Xml.XmlDictionaryWriter.XmlWrappedWriter.WriteXmlnsAttribute C# (CSharp) Méthode

            public override void WriteXmlnsAttribute(string prefix, string namespaceUri)
            {
                if (namespaceUri == null)
                    throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(namespaceUri));
                if (prefix == null)
                {
                    if (LookupPrefix(namespaceUri) != null)
                        return;

                    if (namespaceUri.Length == 0)
                    {
                        prefix = string.Empty;
                    }
                    else
                    {
                        string depthStr = _depth.ToString(System.Globalization.NumberFormatInfo.InvariantInfo);
                        string prefixStr = _prefix.ToString(System.Globalization.NumberFormatInfo.InvariantInfo);
                        prefix = string.Concat("d", depthStr, "p", prefixStr);
                    }
                }
                WriteAttributeString("xmlns", prefix, null, namespaceUri);
            }