>>>>What's wrong with 'modify class' ?
>>>
>>>I don´t need modify the class, only need know what library and class a selected the user.
>>>
>>>José Luis.
>>
>>What about

GetFile("vcx", "Select the Class")

>
>Yes, I know the GetFile() command, but it only solve first problem: the file library, but not the class selection.
>
>I know I can open VCX as a table and show the class into the VCX file for use selection but I looking for a easy solution.
>
>José Luis.

Sorry not sure of anything other than the method you mention.