>mmAppConfiguration.SetEncryption ?

>Note to Kevin:
>The docs state : !The class also provides the ability to encrypt keys by implementing >a custom constructor that passes a field list and an encryption key to be used for >encrypting one or more keys in the configuration" but the overload isn't >documented......

There isn't an overloaded constructor, you just put a call to SetEncryption(string encryptFields, string encryptKey) in the constructor passing the field list and the key. See the help topic "Application Settings Classes"