How to Custom ListBox Item inside button C# winforms

 Hi phong thanks for writing below codes i hope helpfulf or you..:)

namespace WindowsFormsApplication11 { public partial class Form1 : Form { List _items = new List();

 public Form1() { InitializeComponent();          _items.Add("One");         _items.Add("Two");         _items.Add("Three");          listBox1.DataSource = _items; } private void button1_Click(object sender, EventArgs e) { // The Add button was clicked.         _items.Add("New item " + DateTime.Now.Second); // Change the DataSource.         listBox1.DataSource = null;         listBox1.DataSource = _items; } private void button2_Click(object sender, EventArgs e) { // The Remove button was clicked. int selectedIndex = listBox1.SelectedIndex; try { // Remove the item in the List.             _items.RemoveAt(selectedIndex); } catch { }          listBox1.DataSource = null;         listBox1.DataSource = _items; } }

}

private void button1_Click(object sender, EventArgs e) { // The Add button was clicked. // ...

button2.Enabled = true;

}

private void button2_Click(object sender, EventArgs e) { // The Remove button was clicked. // ....

if (listBox1.Items.Count == 0) {     button2.Enabled = false; }

}