Introduction to NLog

// 
// Copyright (c) 2004-2006 Jaroslaw Kowalski <jaak@jkowalski.net>
// 
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without 
// modification, are permitted provided that the following conditions 
// are met:
// 
// * Redistributions of source code must retain the above copyright notice, 
//   this list of conditions and the following disclaimer. 
// 
// * Redistributions in binary form must reproduce the above copyright notice,
//   this list of conditions and the following disclaimer in the documentation
//   and/or other materials provided with the distribution. 
// 
// * Neither the name of Jaroslaw Kowalski nor the names of its 
//   contributors may be used to endorse or promote products derived from this
//   software without specific prior written permission. 
// 
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// 

using System;

namespace NLog
{
    /// <summary>
    /// Marks class as a layout renderer and assigns a format string to it.
    /// </summary>
    [AttributeUsage(AttributeTargets.Class)]
    public sealed class LayoutRendererAttribute: Attribute
    {
        private string _formatString;
        private bool _ignoresPadding = false;
        private bool _usingLogEventInfo = false;

        /// <summary>
        /// Creates a new instance of <see cref="LayoutRendererAttribute"/>
        /// and assigns the <see cref="FormatString"/> to the specified value.
        /// </summary>
        /// <param name="formatString"></param>
        public LayoutRendererAttribute(string formatString)
        {
            _formatString = formatString;
        }

        /// <summary>
        /// The format string that can be used to invoke the layout renderer.
        /// </summary>
        public string FormatString
        {
            get
            {
                return _formatString;
            }
        }

        /// <summary>
        /// Marks the specified layout renderer as ignoring padding (used mostly for
        /// documentation generation).
        /// </summary>
        public bool IgnoresPadding
        {
            get { return _ignoresPadding; }
            set { _ignoresPadding = value; }
        }

        /// <summary>
        /// Marks the specified layout renderer as relying purely on the contents
        /// of <see cref="LogEventInfo"/> only and not on any other information (such as thread-
        /// </summary>
        public bool UsingLogEventInfo
        {
            get { return _usingLogEventInfo; }
            set { _usingLogEventInfo = value; }
        }
    }
}