Creating a VB-like Interface

Hi,

I am currently working on a project which lends itself nicely to a VB-like interface. Basically I need a design environment GUI. I've been working on some prototypes but none of them seem to have the feel of apps like VB, Visio, PowerPoint, etc... Anyone know where I can find information on creating such an interface? Of particular interest to me is the ability to add a control to a form and then be able to size, edit, and move the control...just like VB.

Thanks for your help!
Matt