How about...

This only works with some objects, but:
(for simplification, "object" is used in reference to the thing u want to test whether the mouse is over )

x1 = object.left
x2 = object.left + object.width
y1 = object.top
y2 = object.top + object.height

then you can put this in the code:

Form1_Mouse move (....... x as integer, y as integer)
-(This may not be the right name, but it's in the list up the top)

if x > x1 and x < x2 and y > y1 and y < y2 then
print "mouse is over"
end if

Delete this thread. I must have pressed "new thread" instead of "post reply". It was supposed to be in response to a different thread, where someone had asked about a mouse_over function.
Sorry for any inconvenience.