Thanks for the help Hilmar, I have found the problem.
I was resizing a grid on the form so it was wider than the form, scrollbars appeared (this is good!) but then I was resizing the form so it was wider than the grid and the scrollbars disappeared.
I knew it was something easy...
Thanks again
- Craig
"If you're not prepared to be wrong, you will never come up with anything original."
- Sir Ken Robinson