how to add text to listbox ?

hi all i'm a starter i just want to know
how to add text or digit to listbox?

here the screen shot

http://bp3.blogger.com/_Btq8oD8fbvQ/...textboxadd.JPG

help me and give the code

thanks

vb Code:

listbox1.items.add("your text")

ok thanks but i want to make listbox show
that's i write on textbox ?
how to do ?

vb.net Code:

listbox1.items.add(textbox1.text)

thank a lot but if i added i want to remove text or select how to do ?

How do I move selected item up the list 1 position?

you can use listbox1.SelectedItem or listbox1.SelectedItems to get/Set selected items as well as you can use listbox1.Remove or listbox1.RemoveAt() to remove the particular item.