An automated bot in vb.net

I tried to do this but i failed many times.What i was trying to do is load text from a listbox to a textbox and for every item from the listbox that it loads in the textbox it auto deletes itself from the list box. Can you please help me do that?
Thanks

For Each itm In ListBox1.Items
'Do your textbox thing here
ListBox1.Items.Remove(itm)
Next