And it would be a bitch to implement. Basically those properties are implement using propertysheet handlers. That are shell extensions that can be installed in Windows and in the registry added to one or more file types. On loading the property dialog the shell (basically only an Explorer thing) sees that for that specific file type there are property sheet handlers registered and then loads them as an extra property sheet into the dialog.
RichElswick wrote:nope, we never got that far and I am no longer on that project.