how deselect all selected radiobuttons in a panel on a button click ?

If (control.CheckedStatus == CheckedStatus.Checked)
{
   control.CheckedStatus = CheckedStatus.Unchecked;
}

delegate void CheckOrUncheckRadioButtonEventHandler(RadioButton rb, bool isChecked);
        private void CheckOrUncheckRadioButton(RadioButton rb, bool isChecked)
        {
            try
            {
                if (rb.InvokeRequired)
                {
                    CheckOrUncheckRadioButtonEventHandler d = new CheckOrUncheckRadioButtonEventHandler(CheckOrUncheckRadioButton);
                    this.Invoke(d, new object[] { rb, isChecked });
                }
                else
                {
                    rb.Checked = isChecked;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }