Bound to layout only works on left btop border

i made a ball bound to layout (giving it this behavior) but i can take the ball out on the right and bottom of the layout. I am wondering why this doesnt work. And how to make it work so the ball so i can not make the ball leave the layout by drag and drop.

many thanks,

Dan

It sounds like the window size is smaller than the layout size, in which case it's working correctly.