C# : change listbox items color

Question

i am working on program on windows forms I have a listbox and I am validating data I want the correct data be added to the listbox with color green while the invalid data ad

Answer 1

How about

            MyLB is a listbox

            Label ll = new Label();
            ll.Width = MyLB.Width;
            ll.Content = ss;
            if(//////)
                ll.Background = Brushes.LightGreen;
            else
                ll.Background = Brushes.LightPink;
            MyLB.Items.Add(ll);