namespace WinFormsApp1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
var list = new List<string>() { "c#", "java", "c++", "c", "python" };
listBox1.DataSource = list;
}
}
}
/*
* run:
*
*
*
*/