Writing into Windows Registry using C#

This C# code snippet writes a key to the Windows Registry.

WARNING: Do NOT play with the Registry. If you do not know what you are doing, you can cause any number of costly problems. Use this code at your own risk.

using Microsoft.Win32;
...

RegistryKey masterKey = Registry.LocalMachine.CreateSubKey
   ("SOFTWARE\\Test\\Preferences");
if (masterKey == null)
{
   Console.WriteLine ("Null Masterkey!");
}
else
{
   try
   {
      masterKey.SetValue ("MyKey", "MyValue");
   }
   catch (Exception ex)
   {
      Console.WriteLine (ex.Message);
   }
   finally
   { 
      masterKey.Close();
   }
}

That's It.
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