Loop through all subkeys contained in the current key : Registry Read : Windows C# Examples

    
using  System;
using  Microsoft.Win32;

class  MainClass
{
        public  static  void  SearchSubKeys(RegistryKey  root,  String  searchKey)
        {
                
                foreach  (string  keyname  in  root.GetSubKeyNames())
                {
                        try
                        {
                                using  (RegistryKey  key  =  root.OpenSubKey(keyname))
                                {
                                        if  (keyname  ==  searchKey)  
                                                Console.WriteLine("Registry  key  found  :  {0}  contains  {1}  values",
                                                        key.Name,  key.ValueCount);
                                              
                                        SearchSubKeys(key,  searchKey);
                                }
                        }
                        catch  (System.Security.SecurityException)
                        {
                        }
                }
        }

        public  static  void  Main(String[]  args)
        {
                using  (RegistryKey  root  =  Registry.CurrentUser)
                {
                        string  myKey="Java";
                        SearchSubKeys(root,  myKey);
                }
        }
}