move in top-level-window<%>

Moves the window to the given position on the screen.

A window's position can be changed by the user dragging the window, and such changes do not go through this method; use on-move to monitor position changes.

• (send a-top-level-window move x y) -> void
     x : exact integer in [-10000, 10000]
     y : exact integer in [-10000, 10000]