C# - Adding Button inside ListBox

Question

I\'m writing an C# App (WinForm) with a ListBox having content added by the user. Now, I could have a ordinary button under the ListBox to remove items, but I would like to

Answer 1

using System; using System.Collections.Generic; using System.Windows.Forms;

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;
}

}