更换为wpf
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ww-rm
256
NLog.Windows.Wpf/RichTextBoxTarget.cs
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256
NLog.Windows.Wpf/RichTextBoxTarget.cs
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using NLog.Config;
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using NLog.Layouts;
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using NLog.Targets;
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using NLog;
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Controls;
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using System.Windows.Documents;
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using System.Windows.Media;
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using System.Windows;
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namespace NLog.Windows.Wpf
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{
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// TODO: 完善日志实现
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[Target("RichTextBox")]
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public sealed class RichTextBoxTarget : TargetWithLayout
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{
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private int lineCount;
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private int _width = 500;
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private int _height = 500;
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private static readonly TypeConverter colorConverter = new ColorConverter();
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static RichTextBoxTarget()
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{
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var rules = new List<RichTextBoxRowColoringRule>()
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{
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new RichTextBoxRowColoringRule("level == LogLevel.Fatal", "White", "Red", FontStyles.Normal, FontWeights.Bold),
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new RichTextBoxRowColoringRule("level == LogLevel.Error", "Red", "Empty", FontStyles.Italic, FontWeights.Bold),
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new RichTextBoxRowColoringRule("level == LogLevel.Warn", "Orange", "Empty"),
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new RichTextBoxRowColoringRule("level == LogLevel.Info", "Black", "Empty"),
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new RichTextBoxRowColoringRule("level == LogLevel.Debug", "Gray", "Empty"),
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new RichTextBoxRowColoringRule("level == LogLevel.Trace", "DarkGray", "Empty", FontStyles.Italic, FontWeights.Normal),
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};
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DefaultRowColoringRules = rules.AsReadOnly();
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}
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public RichTextBoxTarget()
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{
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WordColoringRules = new List<RichTextBoxWordColoringRule>();
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RowColoringRules = new List<RichTextBoxRowColoringRule>();
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ToolWindow = true;
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}
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private delegate void DelSendTheMessageToRichTextBox(string logMessage, RichTextBoxRowColoringRule rule);
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private delegate void FormCloseDelegate();
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public static ReadOnlyCollection<RichTextBoxRowColoringRule> DefaultRowColoringRules { get; private set; }
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public string ControlName { get; set; }
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public string FormName { get; set; }
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[DefaultValue(false)]
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public bool UseDefaultRowColoringRules { get; set; }
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[ArrayParameter(typeof(RichTextBoxRowColoringRule), "row-coloring")]
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public IList<RichTextBoxRowColoringRule> RowColoringRules { get; private set; }
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[ArrayParameter(typeof(RichTextBoxWordColoringRule), "word-coloring")]
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public IList<RichTextBoxWordColoringRule> WordColoringRules { get; private set; }
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[DefaultValue(true)]
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public bool ToolWindow { get; set; }
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public bool ShowMinimized { get; set; }
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public int Width
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{
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get { return _width; }
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set { _width = value; }
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}
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public int Height
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{
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get { return _height; }
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set { _height = value; }
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}
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public bool AutoScroll { get; set; }
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public int MaxLines { get; set; }
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internal Window TargetForm { get; set; }
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internal RichTextBox TargetRichTextBox { get; set; }
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internal bool CreatedForm { get; set; }
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protected override void InitializeTarget()
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{
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TargetRichTextBox = Application.Current.MainWindow.FindName(ControlName) as RichTextBox;
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if (TargetRichTextBox != null) return;
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//this.TargetForm = FormHelper.CreateForm(this.FormName, this.Width, this.Height, false, this.ShowMinimized, this.ToolWindow);
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//this.CreatedForm = true;
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var openFormByName = Application.Current.Windows.Cast<Window>().FirstOrDefault(x => x.GetType().Name == FormName);
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if (openFormByName != null)
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{
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TargetForm = openFormByName;
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if (string.IsNullOrEmpty(ControlName))
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{
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// throw new NLogConfigurationException("Rich text box control name must be specified for " + GetType().Name + ".");
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Trace.WriteLine("Rich text box control name must be specified for " + GetType().Name + ".");
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}
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CreatedForm = false;
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TargetRichTextBox = TargetForm.FindName(ControlName) as RichTextBox;
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if (TargetRichTextBox == null)
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{
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// throw new NLogConfigurationException("Rich text box control '" + ControlName + "' cannot be found on form '" + FormName + "'.");
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Trace.WriteLine("Rich text box control '" + ControlName + "' cannot be found on form '" + FormName + "'.");
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}
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}
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if (TargetRichTextBox == null)
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{
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TargetForm = new Window
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{
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Name = FormName,
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Width = Width,
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Height = Height,
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WindowStyle = ToolWindow ? WindowStyle.ToolWindow : WindowStyle.None,
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WindowState = ShowMinimized ? WindowState.Minimized : WindowState.Normal,
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Title = "NLog Messages"
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};
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TargetForm.Show();
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TargetRichTextBox = new RichTextBox { Name = ControlName };
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var style = new Style(typeof(Paragraph));
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TargetRichTextBox.VerticalScrollBarVisibility = ScrollBarVisibility.Auto;
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style.Setters.Add(new Setter(Block.MarginProperty, new Thickness(0, 0, 0, 0)));
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TargetRichTextBox.Resources.Add(typeof(Paragraph), style);
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TargetForm.Content = TargetRichTextBox;
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CreatedForm = true;
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}
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}
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protected override void CloseTarget()
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{
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if (CreatedForm)
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{
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try
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{
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TargetForm.Dispatcher.Invoke(() =>
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{
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TargetForm.Close();
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TargetForm = null;
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});
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}
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catch
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{
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}
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}
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}
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protected override void Write(LogEventInfo logEvent)
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{
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RichTextBoxRowColoringRule matchingRule = RowColoringRules.FirstOrDefault(rr => rr.CheckCondition(logEvent));
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if (UseDefaultRowColoringRules && matchingRule == null)
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{
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foreach (var rr in DefaultRowColoringRules.Where(rr => rr.CheckCondition(logEvent)))
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{
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matchingRule = rr;
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break;
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}
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}
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if (matchingRule == null)
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{
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matchingRule = RichTextBoxRowColoringRule.Default;
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}
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var logMessage = Layout.Render(logEvent);
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if (Application.Current == null) return;
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try
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{
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if (Application.Current.Dispatcher.CheckAccess() == false)
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{
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Application.Current.Dispatcher.Invoke(() => SendTheMessageToRichTextBox(logMessage, matchingRule));
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}
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else
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{
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SendTheMessageToRichTextBox(logMessage, matchingRule);
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}
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}
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catch (Exception ex)
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{
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Debug.WriteLine(ex);
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}
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}
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private static Color GetColorFromString(string color, Brush defaultColor)
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{
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if (color == "Empty")
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{
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return defaultColor is SolidColorBrush solidBrush ? solidBrush.Color : Colors.White;
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}
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return (Color)colorConverter.ConvertFromString(color);
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}
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private void SendTheMessageToRichTextBox(string logMessage, RichTextBoxRowColoringRule rule)
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{
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RichTextBox rtbx = TargetRichTextBox;
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var tr = new TextRange(rtbx.Document.ContentEnd, rtbx.Document.ContentEnd);
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tr.Text = logMessage + "\n";
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tr.ApplyPropertyValue(TextElement.ForegroundProperty,
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new SolidColorBrush(GetColorFromString(rule.FontColor, (Brush)tr.GetPropertyValue(TextElement.ForegroundProperty)))
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);
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tr.ApplyPropertyValue(TextElement.BackgroundProperty,
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new SolidColorBrush(GetColorFromString(rule.BackgroundColor, (Brush)tr.GetPropertyValue(TextElement.BackgroundProperty)))
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);
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tr.ApplyPropertyValue(TextElement.FontStyleProperty, rule.Style);
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tr.ApplyPropertyValue(TextElement.FontWeightProperty, rule.Weight);
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if (MaxLines > 0)
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{
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lineCount++;
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if (lineCount > MaxLines)
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{
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tr = new TextRange(rtbx.Document.ContentStart, rtbx.Document.ContentEnd);
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tr.Text.Remove(0, tr.Text.IndexOf('\n'));
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lineCount--;
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}
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}
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if (AutoScroll)
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{
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rtbx.ScrollToEnd();
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}
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}
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}
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}
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