How to hide the vertical tolbar of a listbox

hi, i am a beginer in the world of C# 1. I want to hide the vertical scrollbar of a listbox . In properties i can hide the horizontal scrollbar , but there s no option for vertical scroll bar.how can i hide this? 2. I also want to call the event of vertical scrollbar on a button click.. i dont know it is posible or not... Is it possible? then can u give any tips? shall i do this using cutom controls.. Then how? jaz