Run the VD, then paste a new button onto it. Then, click the "Text" field of
the button and give it some text, like "Bericko rules". Now, you'll notice that
I spelled Berikco wrong, so if you then hit the left arrow key while still inside
the "Text" field, the gadget disappears to negative X and Y values, which
keep increasing no matter which arrow keys you press.

other gadgets.