>It's sure, Craig,
>
>I could build my own messageboxes, and create my own OK button, Cancel button and so on.... But my aim is not to rebuild VFP.
>
>That's why I hope to find a way to chane the string dll on the fly... VFP6RENU, VFP6RFRA or VFP6Rxxx.DLL are loaded either by default or through some swithes in the command line.... What I'd like to do is to reload dynamically the DLL I want

Forward your request to FoxWish@microsoft.com. I don't think you can do this, but I do know the VFP team will consider your suggestion.