Mega Code Archive

 

Categories / C# / WPF

 

Get the content from the rich text box

<Window x:Class="WpfApplication1.Window1"   xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"   Title="Window1" Height="600" Width="800">   <Grid>     <RichTextBox x:Name="rtbTextContent" TextChanged="RichTextBox_TextChanged" />   </Grid> </Window> //File:Window.xaml.cs using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Media; namespace WpfApplication1 {     public partial class Window1 : Window     {         public Window1()         {             InitializeComponent();         }                  private void RichTextBox_TextChanged(object sender, TextChangedEventArgs e)         {             TextRange textRange = new TextRange(rtbTextContent.Document.ContentStart, rtbTextContent.Document.ContentEnd);             rtbTextContent.TextChanged -= RichTextBox_TextChanged;             textRange.ClearAllProperties();             ApplyFormatting();             rtbTextContent.TextChanged += RichTextBox_TextChanged;         }         private void ApplyFormatting()         {             TextPointer tp = rtbTextContent.Document.ContentStart;             tp = FindNextString(tp);             TextPointer textRangeEnd = tp.GetPositionAtOffset(1, LogicalDirection.Forward);             TextRange tokenTextRange = new TextRange(tp, tp.GetPositionAtOffset(1, LogicalDirection.Forward));             tokenTextRange.ApplyPropertyValue(TextElement.ForegroundProperty, Brushes.Blue);         }         private TextPointer FindNextString(TextPointer tp)         {             char[] buffer = new char[1];             tp.GetTextInRun(LogicalDirection.Forward, buffer, 0, 1);             return tp;         }     } }