Hello I have to make this gui below and add items to the listbox states during runtime.

![enter image description here](https://i.stack.imgur.com/rDFnl.png)

I have been able to make this code below which list 10 states to the second listbox. But for the first listbox I have to be able to add the states to the list at runtime, I have no idea how to do this. Can anyone please help me to solve this?

```
private void button1_Click(object sender, EventArgs e)
{
    for(int i = 1; i <= 10; i++)
    {
        listTenStates.Items.Add(listStates.Items[listStates.Items.Count - i]);
    }
}

```

![enter image description here](https://i.stack.imgur.com/4xRez.png)