How to set only one event for all radio buttons in a group box for windows applications in c#

radioButton1.CheckedChanged += new EventHandler(radioButtons_CheckedChanged);
radioButton2.CheckedChanged += new EventHandler(radioButtons_CheckedChanged);
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private void radioButtons_CheckedChanged (object sender, EventArgs e)
{
    RadioButton radioButton = sender as RadioButton;

    if (radioButton1.Checked)
    {
        // Do stuff 
    }
    else if (radioButton2.Checked)
    {
        // Do other stuff
    }
}

var Radio = new []{groupBoxId}.SelectMany(g=>g.Controls.OfType<RadioButton>());