How to check if a registry value exists using C#?

Question

How to check if a registry value exists by C# code? This is my code, I want to check if \'Start\' exists.

public static bool checkMachineType()
{
    Registr         


        

Answer 1

  RegistryKey rkSubKey = Registry.CurrentUser.OpenSubKey(" Your Registry Key Location", false);
        if (rkSubKey == null)
        {
           // It doesn't exist
        }
        else
        {
           // It exists and do something if you want to
         }