Could please anyone know how to connect/run/load this proggram with auto cad 2006 or 2008

1 using Autodesk.AutoCAD.DatabaseServices;
2 using Autodesk.AutoCAD.Runtime;
3 using System.Reflection;
4 using System.IO;
5 using System;
6
7 [assembly: SecuredApplication(
8 @"THIS IS AN OBJECTDBX (TM) VERSION 2007 CLIENT LICENSE FOR THE EXCLUSIVE USE OF Kean Walmsley. YOUR USE OF OBJECTDBX(TM) IS GOVERNED BY THE SOFTWARE LICENSE INCLUDED IN THE PRODUCT. USE OF THIS SOFTWARE IN VIOLATION OF THE SOFTWARE LICENSE IS A VIOLATION OF U.S. AND/OR INTERNATIONAL COPYRIGHT LAWS AND TREATIES AND YOU MAY BE SUBJECT TO CRIMINAL PENALTIES FOR SUCH USE.",
16
17 namespace AttributeUpdater
18 {
19 class Program
20 {
21 #region RealDWG
22 class MyHost : HostApplicationServices
23 {
24 private string SearchPath(string fileName)
25 {
26 // check if the file is already with full path
27 if (System.IO.File.Exists(fileName))
28 return fileName;
29
30 // check application folder
31 string applicationPath =
32 Path.GetDirectoryName(
33 Assembly.GetExecutingAssembly().Location
34 );
35 if (File.Exists(applicationPath + "\\" + fileName))
36 return applicationPath + "\\" + fileName;
37
38 // search folders in %PATH%
39 string []paths =
40 Environment.GetEnvironmentVariable(
41 "Path").Split(new char[]{';'}
42 );
43 foreach (string path in paths)
44 {
45 // some folders end with \\, some don't
46 string validatedPath
47 = Path.GetFullPath(path + "\\" + fileName);
48 if (File.Exists(validatedPath))
49 return validatedPath;
50 }
51
52 // check the Fonts folders
53 string systemFonts =
54 Environment.GetEnvironmentVariable(
55 "SystemRoot"

56 ) + "