Keeping rows - listview/treeview selected - part 2

[BenJamin]

also i was reading this post. and found it very helpful,but when i entered in all the information to control speed from my dialog it made it so that my timer wouldnt work.
>i also had more then 3 speeds to add. (5 in total) and dont know how to add more or even know if the speeds work or not.