Originally Posted by WizBang
Oh! That's what you meant...(I guess there's still a bit of language barrier :blush: ). And yes that's correct if you are using the file size directly (or \ 16) as the Max. I haven't gone into your code to see how it is implemented.
If you use a multiplier, how would you scroll one line at a time?
A quick fix might be to use two buttons or labels. Put them on a frame, and use a variable for the value, which is scaled to the space between the buttons to place a "slider", which could be a label also.