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Form1.cs
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Form1.cs
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using DevExpress.XtraRichEdit.API.Native;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace DocumentIteratorExample {
public partial class Form1 : DevExpress.XtraBars.Ribbon.RibbonForm {
public Form1() {
InitializeComponent();
ribbonControl1.SelectedPage = pageIterator;
}
private void btnIteratorRun_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e) {
#region #runvisitor
MyVisitor visitor = new MyVisitor();
DocumentIterator iterator = new DocumentIterator(richEditControl1.Document, true);
while (iterator.MoveNext())
iterator.Current.Accept(visitor);
memoEdit1.Text = visitor.Text;
#endregion #runvisitor
}
}
#region #myvisitorclass
public class MyVisitor : DocumentVisitorBase
{
readonly StringBuilder buffer;
public MyVisitor() { this.buffer = new StringBuilder(); }
protected StringBuilder Buffer { get { return buffer; } }
public string Text { get { return Buffer.ToString(); } }
public override void Visit(DocumentText text) {
string prefix = (text.TextProperties.FontBold) ? "**" : "";
Buffer.Append(prefix);
Buffer.Append(text.Text);
Buffer.Append(prefix);
}
public override void Visit(DocumentParagraphEnd paragraphEnd) {
Buffer.AppendLine();
}
}
#endregion #myvisitorclass
}