#region 程序集 System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089 // C:\Windows\Microsoft.NET\Framework\v2.0.50727\System.Windows.Forms.dll #endregion using System.Collections; using System.ComponentModel; using Syst
from: http://www.codeproject.com/Articles/38858/Line-Numbers-for-RichText-Control-in-C using Microsoft.VisualBasic; using System; using System.Collections; using System.Collections.Generic; using System.Data; using System.Drawing; using System.Drawin