You can use VB to access the data from your LabVIEW VI but you can't host the LV graph control in your VB application. If you're looking for a native graph control for VB, check out ni.com/mstudio. There's UI controls there that include graphs as well as many of the other UI controls you find in LabVIEW. There are version for VB 6 as well as .NET.
