Querying the registry

You may never need to query the registry on the computer when creating a NAV modification, but you should consider it as an option.

How to do it...

1. Create a new Class Library project in Visual Studio.

2. Create a new file with the following code:

   using System;
   using System.Runtime.InteropServices;
   using Microsoft.Win32;
   namespace RegistryQuery
   {
   [ClassInterface(ClassInterfaceType.AutoDual)]
   [ProgId("RegistryQuery")]
   [ComVisible(true)]
   public class RegistryQuery
   {
   public string GetKeyValue(string key, string name)
   {
   RegistryKey regKey = Registry.Users.OpenSubKey(key);
   if (regKey == null)
   {
   return "Key not found!";
   }
   else
   {
   object value = regKey.GetValue(name);
   if (value != null)
   {
   return value.ToString();
   }
   else
   {
   return "Name not found!";
   }
   }
   }
   }
   }
   

3. Set the properties of the program according to the Creating your own Automation using C# recipe from the integration chapter.

4. Save, compile, and close the project.

5. Create a new codeunit from Object Designer.

6. Add the following global...