This blog shows on how to use Anonymous methods with C# and without parameters.

C#
using System.Windows.Forms;

public partial class Form1 : Form
{
    public Form1()
    {
        Button btnHello = new Button();
        btnHello.Text = "Hello";

        btnHello.Click +=
            delegate
            {
                MessageBox.Show("Hello");
            };

        Controls.Add(btnHello);
    }
}