Ok, I see. You just have to play in their sandbox in this situation. <g>

>Hi Russel, I succed in reading and writing so we can say I have solved my problems :-)
>About your message,
>I have to get information and write information from registry as I want to impose a temporary path as the default path of a PDF printer.
>As it is stored in a registry key I was thinking about (and I did so) reading the stored value, replace the value with the temporary path and then
>as I finish the printing process put the original value back on the registry.
>HAve a great new year
>Alessio