System.Security.Policy.PolicyLevel.ToXml C# (CSharp) Method

        public SecurityElement ToXml()
        {
            return default(SecurityElement);
        }

        internal static void EncodeLevel( PolicyLevel level )
        {
            SecurityElement elConf = new SecurityElement( "configuration" );
            SecurityElement elMscorlib = new SecurityElement( "mscorlib" );
            SecurityElement elSecurity = new SecurityElement( "security" );
            SecurityElement elPolicy = new SecurityElement( "policy" );
                    
            elConf.AddChild( elMscorlib );
            elMscorlib.AddChild( elSecurity );
            elSecurity.AddChild( elPolicy );
            elPolicy.AddChild( level.ToXml() );
                    
            try
            {
                MemoryStream stream = new MemoryStream( 24576 ); 
            
                StreamWriter writer = new StreamWriter( stream, new UTF8Encoding(false) );
                
                Encoding encoding = level.Encoding;

                if (encoding == null)
                    encoding = writer.Encoding;
                
                SecurityElement format = new SecurityElement( "xml" );
                format.m_type = SecurityElementType.Format;
                format.AddAttribute( "version", "1.0" );
                format.AddAttribute( "encoding", encoding.WebName );
                writer.Write( format.ToString() );
                writer.Flush();
                writer = new StreamWriter( stream, encoding );
            
                writer.Write( elConf.ToString() );
                        
                writer.Flush();

                // Write out the new config.

                if (!Config.SaveData( level.ConfigId, stream.GetBuffer(), 0, (int)stream.Length ))
                {
                    throw new PolicyException( String.Format( Environment.GetResourceString( "Policy_UnableToSave" ), level.Label ) );
                }
            }
            catch (Exception e)
            {
                if (e is PolicyException)
                    throw e;
                else
                    throw new PolicyException( String.Format( Environment.GetResourceString( "Policy_UnableToSave" ), level.Label ), e );
            }

            Config.ResetCacheData( level.ConfigId );

            try
            {
                if (CanUseQuickCache( level.RootCodeGroup ))
                {
                    Config.SetQuickCache( level.ConfigId, GenerateQuickCache( level ) );
                }
            }
            catch (Exception)
            {
            }

        }