RichTextBoxAppender使用log4net的 [英] RichTextBoxAppender using log4net

问题描述

有没有一种方法以编程方式创建使用log4net的一个RichTextBoxAppender？
换句话说没有XML的app.config

解决方案

 使用系统？;使用System.Windows.Forms的
; 
使用System.Drawing中; 
 
使用log4net的; 
使用log4net.Core; 
使用log4net.Appender; 
使用log4net.Util; 
 
命名空间Vip.Logging 
 {
 ///<总结> 
 /// RichTextBoxAppender的说明。 
 ///< /总结> 
公共类RichTextBoxAppender：AppenderSkeleton 
 {
＃地区的私人实例字段
私人RichTextBox中的RichTextBox = NULL; 
私人形式containerForm = NULL; 
私人LevelMapping levelMapping =新LevelMapping（）; 
私人INT maxTextLength = 100000; 
 #endregion 
 
私人委托无效UpdateControlDelegate（LoggingEvent所LoggingEvent所）; 
 
＃区域构造
公共RichTextBoxAppender（RichTextBox的myRichTextBox）：基地（）
 {
的RichTextBox = myRichTextBox; 
 containerForm =（表格）richTextBox.Parent; 
} 
 #endregion 
 
私人无效UpdateControl（LoggingEvent所LoggingEvent所）
 {
 //可能会有性能问题如果缓冲区变得太长
 //所以定期清除缓存
如果（richTextBox.TextLength> maxTextLength）
 {
 richTextBox.Clear（）; 
 richTextBox.AppendText（的String.Format（（清除日志最大长度：{0}）\\\
，maxTextLength））; 
} 
 
 //寻找一个风格映射
 LevelTextStyle selectedStyle = levelMapping.Lookup（loggingEvent.Level）为LevelTextStyle; 
如果（selectedStyle！= NULL）
 {
 //设置要被所附
 richTextBox.SelectionBackColor = selectedStyle.BackColor文本的颜色; 
 richTextBox.SelectionColor = selectedStyle.TextColor; 
 
 //改变选择字体多达必要
 //缺少设置是由在控制
如果（selectedStyle.Font！= NULL）$ B $字体设置的替换b {
 //设置字体，大小和样式
 richTextBox.SelectionFont = selectedStyle.Font; 
} 
，否则如果（selectedStyle.PointSize大于0和放大器;&安培;！richTextBox.Font.SizeInPoints = selectedStyle.PointSize）
 {
 //使用控件的字体，设置大小和样式
浮动大小= selectedStyle.PointSize> 0.0？ selectedStyle.PointSize：richTextBox.Font.SizeInPoints; 
 richTextBox.SelectionFont =新字体（richTextBox.Font.FontFamily.Name，大小，selectedStyle.FontStyle）; 
} 
，否则如果（richTextBox.Font.Style！= selectedStyle.FontStyle）
 {
 //使用控件的字体和字号，设置样式
 richTextBox.SelectionFont =新字体（richTextBox.Font，selectedStyle.FontStyle）; 
} 
} 
 richTextBox.AppendText（RenderLoggingEvent（LoggingEvent所））; 
} 
 
保护覆盖无效追加（LoggingEvent所LoggingEvent所）
 {
如果（richTextBox.InvokeRequired）
 {
 richTextBox.Invoke（
新UpdateControlDelegate（UpdateControl），
新的对象[] {LoggingEvent所}）; 
} 
，否则
 {
 UpdateControl（LoggingEvent所）; 
} 
} 
 
公共无效AddMapping（LevelTextStyle映射）
 {
 levelMapping.Add（映射）; 
} 
 
公共覆盖无效ActivateOptions（）
 {
 base.ActivateOptions（）; 
 levelMapping.ActivateOptions（）; 
} 
 
保护覆盖布尔RequiresLayout {获得{返回true; }} 
} 
 
公共类LevelTextStyle：LevelMappingEntry 
 {
私人彩色文字颜色; 
私人颜色背景色; 
私人fontstyle的fontstyle的= FontStyle.Regular; 
私人浮动的pointsize = 0.0; 
私人布尔大胆= FALSE; 
私人布尔斜体= FALSE; 
私人字符串fontFamilyName = NULL; 
私人字体的字体= NULL; 
 
公共BOOL大胆{{返回大胆; } {设定大胆=价值; }} 
公共BOOL斜体{{返回斜体; } {设置斜体=价值; }} 
公众持股量的pointsize {{返回的pointsize; } {设置=的pointsize价值; }} 
 
 ///<总结> 
 ///初始化的对象
选项///< /总结> 
 ///<&言论GT;解析性质和LT; /言论> 
公共覆盖无效ActivateOptions（）
 {
 base.ActivateOptions（）; 
如果（粗体）fontstyle的| = FontStyle.Bold; 
如果（斜体）fontstyle的| = FontStyle.Italic; 
 
如果（fontFamilyName！= NULL）
 {
浮动大小=的pointsize> 0.0？的pointsize：8.25f; 
试
 {
字体=新字体（fontFamilyName，大小fontstyle的）; 
} 
赶上（例外）
 {
字体=新的字体（宋体，8.25f，FontStyle.Regular）; 
} 
} 
} 
 
众彩TEXTCOLOR {{返回文字颜色; }集合{文字颜色=价值; }} 
公共颜色的BackColor {{返回背景色; } {设置背景色=价值; }} 
公共fontstyle的fontstyle的{{返回fontstyle的; }集合{fontstyle的=价值; }} 
公共字体字体{{返回字体; } {设置字体=价值; }} 
} 
} 
 
 
 
 
公共部分类的MainForm：表格
 {
私人静态字符串LOCPATH = Environment.GetFolderPath（Environment.SpecialFolder.ApplicationData）; 
私人静态字符串dskPath = Environment.GetFolderPath（Environment.SpecialFolder.DesktopDirectory）; 
私人RichTextBoxAppender RBA; 
私人MessageBoxAppender MBA; 
 
公众的MainForm（）
 {
的InitializeComponent（）; 
 
如果（！Global.logger.Logger.Repository.Configured）
 {
 RBA =新RichTextBoxAppender（richTextBoxLog）; 
 rba.Threshold = Level.ALL的; 
 rba.Layout =新的PatternLayout（％DATE {DD-MM-YYYY HH：MM：SS.FFF}％5level％讯息％N）; 
 LevelTextStyle ILTS =新LevelTextStyle（）; 
 ilts.Level = Level.Info; 
 ilts.TextColor = Color.Yellow; 
 ilts.PointSize = 10.0f; 
 rba.AddMapping（ILTS）; 
 LevelTextStyle DLTS =新LevelTextStyle（）; 
 dlts.Level = Level.Debug; 
 dlts.TextColor = Color.LightBlue; 
 dlts.PointSize = 10.0f; 
 rba.AddMapping（DLTS）; 
 LevelTextStyle wlts =新LevelTextStyle（）; 
 wlts.Level = Level.Warn; 
 wlts.TextColor = Color.Chartreuse; 
 wlts.PointSize = 10.0f; 
 rba.AddMapping（wlts）; 
 LevelTextStyle的ELT =新LevelTextStyle（）; 
 elts.Level = Level.Error; 
 elts.TextColor = Color.Crimson; 
 elts.BackColor = Color.Cornsilk; 
 elts.PointSize = 10.0f; 
 rba.AddMapping（应急定位发射机）; 
 
 BasicConfigurator.Configure（RBA）; 
 rba.ActivateOptions（）; 
 
 MBA =新MessageBoxAppender（）; 
 mba.Layout =新的PatternLayout（％DATE {DD-MM-YYYY HH：MM：SS.FFF}％5level％讯息％N）; 
 mba.Threshold = Level.Error; 
 BasicConfigurator.Configure（MBA）; 
 mba.ActivateOptions（）; 
 
 RollingFileAppender进行FA =新RollingFileAppender进行（）; 
 fa.AppendToFile = TRUE; 
 fa.Threshold = log4net.Core.Level.All; 
 fa.RollingStyle = RollingFileAppender.RollingMode.Size; 
 fa.MaxFileSize = 100000; 
 fa.MaxSizeRollBackups = 3; 
 fa.File = dskPath + @\FgPleoraLog.txt 
 fa.Layout =新log4net.Layout.PatternLayout（％DATE {DD-MM-YYYY HH：MM：SS.FFF}％5level％消息（％记录器{1}：％线）％N） ; 
 log4net.Config.BasicConfigurator.Configure（FA）; 
 fa.ActivateOptions（）; 
} 
} 
  

Is there a way to programatically create a RichTextBoxAppender using log4net? In other words no xml app.config?

解决方案

using System;
using System.Windows.Forms;
using System.Drawing;

using log4net;
using log4net.Core;
using log4net.Appender;
using log4net.Util;

namespace Vip.Logging
{
    /// <summary>
    /// Description of RichTextBoxAppender.
    /// </summary>
    public class RichTextBoxAppender : AppenderSkeleton
    {
        #region Private Instance Fields
        private RichTextBox richTextBox = null;
        private Form containerForm = null;
        private LevelMapping levelMapping = new LevelMapping();
        private int maxTextLength = 100000;
        #endregion

        private delegate void UpdateControlDelegate(LoggingEvent loggingEvent);

        #region Constructor
        public RichTextBoxAppender(RichTextBox myRichTextBox) : base()
        {
            richTextBox = myRichTextBox;
            containerForm = (Form)richTextBox.Parent;
        }
        #endregion

        private void UpdateControl(LoggingEvent loggingEvent)
        {
            // There may be performance issues if the buffer gets too long
            // So periodically clear the buffer
            if (richTextBox.TextLength > maxTextLength)
            {
                richTextBox.Clear();
                richTextBox.AppendText(string.Format("(Cleared log length max: {0})\n", maxTextLength));
            }

            // look for a style mapping
            LevelTextStyle selectedStyle = levelMapping.Lookup(loggingEvent.Level) as LevelTextStyle;
            if (selectedStyle != null)
            {
                // set the colors of the text about to be appended
                richTextBox.SelectionBackColor = selectedStyle.BackColor;
                richTextBox.SelectionColor = selectedStyle.TextColor;

                // alter selection font as much as necessary
                // missing settings are replaced by the font settings on the control
                if (selectedStyle.Font != null)
                {
                    // set Font Family, size and styles
                    richTextBox.SelectionFont = selectedStyle.Font;
                }
                else if (selectedStyle.PointSize > 0 && richTextBox.Font.SizeInPoints != selectedStyle.PointSize)
                {
                    // use control's font family, set size and styles
                    float size = selectedStyle.PointSize > 0.0f ? selectedStyle.PointSize : richTextBox.Font.SizeInPoints;
                    richTextBox.SelectionFont = new Font(richTextBox.Font.FontFamily.Name, size, selectedStyle.FontStyle);
                }
                else if (richTextBox.Font.Style != selectedStyle.FontStyle)
                {
                    // use control's font family and size, set styles
                    richTextBox.SelectionFont = new Font(richTextBox.Font, selectedStyle.FontStyle);
                }
            }
            richTextBox.AppendText(RenderLoggingEvent(loggingEvent));
        }

        protected override void Append(LoggingEvent LoggingEvent)
        {
            if (richTextBox.InvokeRequired)
            {
                richTextBox.Invoke(
                    new UpdateControlDelegate(UpdateControl),
                    new object[] { LoggingEvent });
            }
            else
            {
                UpdateControl(LoggingEvent);
            }
        }

        public void AddMapping(LevelTextStyle mapping)
        {
            levelMapping.Add(mapping);
        }

        public override void ActivateOptions()
        {
            base.ActivateOptions();
            levelMapping.ActivateOptions();
        }

        protected override bool RequiresLayout { get { return true; } }
    }

    public class LevelTextStyle : LevelMappingEntry
    {
        private Color textColor;
        private Color backColor;
        private FontStyle fontStyle = FontStyle.Regular;
        private float pointSize = 0.0f;
        private bool bold = false;
        private bool italic = false;
        private string fontFamilyName = null;
        private Font font = null;

        public bool Bold { get { return bold; } set { bold = value; } }
        public bool Italic { get { return italic; } set { italic = value; } }
        public float PointSize { get { return pointSize; } set { pointSize = value; } }

        /// <summary>
        /// Initialize the options for the object
        /// </summary>
        /// <remarks>Parse the properties</remarks>
        public override void ActivateOptions()
        {
            base.ActivateOptions();
            if (bold) fontStyle |= FontStyle.Bold;
            if (italic) fontStyle |= FontStyle.Italic;

            if (fontFamilyName != null)
            {
                float size = pointSize > 0.0f ? pointSize : 8.25f;
                try
                {
                    font = new Font(fontFamilyName, size, fontStyle);
                }
                catch (Exception)
                {
                    font = new Font("Arial", 8.25f, FontStyle.Regular);
                }
            }
        }

        public Color TextColor { get { return textColor; } set { textColor = value; } }
        public Color BackColor { get { return backColor; } set { backColor = value; } }
        public FontStyle FontStyle { get { return fontStyle; } set { fontStyle = value; } }
        public Font Font { get { return font; } set { font = value; } }
    }
}




public partial class MainForm : Form
{
    private static string locPath = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
    private static string dskPath = Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory);
    private RichTextBoxAppender rba;
    private MessageBoxAppender mba;

    public MainForm()
    {
        InitializeComponent();

        if (!Global.logger.Logger.Repository.Configured)
        {
            rba = new RichTextBoxAppender(richTextBoxLog);
            rba.Threshold = Level.All;
            rba.Layout = new PatternLayout("%date{dd-MM-yyyy HH:mm:ss.fff} %5level %message %n");
            LevelTextStyle ilts = new LevelTextStyle();
            ilts.Level = Level.Info;
            ilts.TextColor = Color.Yellow;
            ilts.PointSize = 10.0f;
            rba.AddMapping(ilts);
            LevelTextStyle dlts = new LevelTextStyle();
            dlts.Level = Level.Debug;
            dlts.TextColor = Color.LightBlue;
            dlts.PointSize = 10.0f;
            rba.AddMapping(dlts);
            LevelTextStyle wlts = new LevelTextStyle();
            wlts.Level = Level.Warn;
            wlts.TextColor = Color.Chartreuse;
            wlts.PointSize = 10.0f;
            rba.AddMapping(wlts);
            LevelTextStyle elts = new LevelTextStyle();
            elts.Level = Level.Error;
            elts.TextColor = Color.Crimson;
            elts.BackColor = Color.Cornsilk;
            elts.PointSize = 10.0f;
            rba.AddMapping(elts);

            BasicConfigurator.Configure(rba);
            rba.ActivateOptions();

            mba = new MessageBoxAppender();
            mba.Layout = new PatternLayout("%date{dd-MM-yyyy HH:mm:ss.fff} %5level %message %n");
            mba.Threshold = Level.Error;
            BasicConfigurator.Configure(mba);
            mba.ActivateOptions();

            RollingFileAppender fa = new RollingFileAppender();
            fa.AppendToFile = true;
            fa.Threshold = log4net.Core.Level.All;
            fa.RollingStyle = RollingFileAppender.RollingMode.Size;
            fa.MaxFileSize = 100000;
            fa.MaxSizeRollBackups = 3;
            fa.File = dskPath + @"\FgPleoraLog.txt";
            fa.Layout = new log4net.Layout.PatternLayout("%date{dd-MM-yyyy HH:mm:ss.fff} %5level %message (%logger{1}:%line)%n");
            log4net.Config.BasicConfigurator.Configure(fa);
            fa.ActivateOptions();
        }
    }

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