ASCII HEX Editor 國外源碼可參考一下

				/*
				***************************************************************************
				** 
				** Module: Form1.cs
				** 
				** Description:
				** 
				** 
				** Revision History:
				** ------------------------------------------------------------------------
				** Date        Name         Reason
				** 9/20/2005    HGI          Initial Creation
				** 
				** 
				** 
				*/
				using System;
				using System.Drawing;
				using System.Collections;
				using System.ComponentModel;
				using System.Windows.Forms;
				using System.Data;
				using HexEdit;
				
				namespace HexEditExample
				{
					/// 
					/// Summary description for Form1.
					/// 
					public class Form1 : System.Windows.Forms.Form
					{
				        private System.Windows.Forms.Splitter splitter1;
				        private HexEdit.HexEditBox m_edtHex;
				        private HexEdit.LinkedBox  m_edtASCII;
				        private byte[]              m_abyData = new byte[4096];
				
						/// 
						/// Required designer variable.
						/// 
						private System.ComponentModel.Container components = null;
				
						public Form1()
						{
							//
							// Required for Windows Form Designer support
							//
							InitializeComponent();
				
							//
							// TODO: Add any constructor code after InitializeComponent call
							//
				            m_edtHex.InitializeComponent();
				            m_edtASCII.InitializeComponent();
				            m_edtHex.LinkDisplay(m_edtASCII);
				
				            m_edtHex.LoadData(m_abyData);
						}
				
						/// 
						/// Clean up any resources being used.
						/// 
						protected override void Dispose( bool disposing )
						{
							if( disposing )
							{
								if (components != null) 
								{
									components.Dispose();
								}
							}
							base.Dispose( disposing );
						}
				
						#region Windows Form Designer generated code
						/// 
						/// Required method for Designer support - do not modify
						/// the contents of this method with the code editor.
						/// 
						private void InitializeComponent()
						{
				            this.m_edtHex = new HexEdit.HexEditBox();
				            this.m_edtASCII = new LinkedBox();
				            this.splitter1 = new System.Windows.Forms.Splitter();
				            this.SuspendLayout();
				            // 
				            // m_edtHex
				            // 
				            this.m_edtHex.Dock = System.Windows.Forms.DockStyle.Left;
				            this.m_edtHex.Location = new System.Drawing.Point(0, 0);
				            this.m_edtHex.Name = "m_edtHex";
				            this.m_edtHex.Size = new System.Drawing.Size(168, 326);
				            this.m_edtHex.TabIndex = 0;
				            this.m_edtHex.Text = "richTextBox1";
				            // 
				            // m_edtASCII
				            // 
				            this.m_edtASCII.Dock = System.Windows.Forms.DockStyle.Fill;
				            this.m_edtASCII.Location = new System.Drawing.Point(168, 0);
				            this.m_edtASCII.Name = "m_edtASCII";
				            this.m_edtASCII.Size = new System.Drawing.Size(320, 326);
				            this.m_edtASCII.TabIndex = 1;
				            this.m_edtASCII.Text = "foo";
				            // 
				            // splitter1
				            // 
				            this.splitter1.Location = new System.Drawing.Point(168, 0);
				            this.splitter1.Name = "splitter1";
				            this.splitter1.Size = new System.Drawing.Size(1, 326);
				            this.splitter1.TabIndex = 2;
				            this.splitter1.TabStop = false;
				            // 
				            // Form1
				            // 
				            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
				            this.ClientSize = new System.Drawing.Size(488, 326);
				            this.Controls.Add(this.splitter1);
				            this.Controls.Add(this.m_edtASCII);
				            this.Controls.Add(this.m_edtHex);
				            this.Name = "Form1";
				            this.Text = "Form1";
				            this.ResumeLayout(false);
				
				        }
						#endregion
				
						/// 
						/// The main entry point for the application.
						/// 
						[STAThread]
						static void Main() 
						{
							Application.Run(new Form1());
						}
					}
				}