ListBox items as AutoCompleteCustomSource for a textbox

Question

I have populated some items into a listbox using the datasource property. Now I need to set the AutoCompleteCustomSource for a textBox from the items listed in the listbox. Prec

Answer 1

If your ListBox is a list of strings, you should be able to do this: (untested)

textBox.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
textBox.AutoCompleteSource = AutoCompleteSource.CustomSource;
textBox.AutoCompleteCustomSource.AddRange((List)listBox.DataSource);