Bhavbhuti,

>But nothing that will create, say, the form from the prg based form class, in which I can change and when I save the thing gets converted back to prg code, all in the memory no files other than prg to maintain.

No, VFP does not have two way design tools. If I'm working with forms or visual classes I just do everything in the form/class designer.

>Please read the disclaimer below <g>

Dreaming up new things has always been the genesis of a lot of cool developer tools in FoxPro. Once you've got the dream you just have to write the code.