How to call a list box on the text if some one send me the code for it i understood the? | VB.Net Interview Questions

like this what to do if we need to transfer the listbox items to the text if i am correct then my answer to this is double click on the listbox so that the eventof the listbox is displayed in the code editor
i.e private sub listbox1_selectedindexchanged......
textbox1.text=listbox1.selecteditem