>How can I detect when the user moves the mouse off the side of the screen?
>
>Thanks

Check the functions bellow to get cursor position.

DECLARE INTEGER GetWindowRect IN WIN32API INTEGER hWnd, STRING @ lpRect
DECLARE INTEGER GetCursorPos IN WIN32API STRING @ lpPoint
DECLARE INTEGER DefWindowProc IN WIN32API INTEGER hWnd, INTEGER Msg, INTEGER wParam, INTEGER lParam