public class MyRadToggleSwitchElement : RadToggleSwitchElement
{
    protected override void OnValueChanged()
    {
        if (this.ElementTree != null && this.ElementTree.Control != null)
        {
            Control control = this.ElementTree.Control;
            string analyticsConstant = this.Value ? Telerik.WinControls.Analytics.AnalyticsConstants.Checked : Telerik.WinControls.Analytics.AnalyticsConstants.Unchecked;
            Telerik.WinControls.Analytics.ControlTraceMonitor.TrackAtomicFeature(this, analyticsConstant, control.Name);
        }
    }
    protected override Type ThemeEffectiveType
    {
        get
        {
            return typeof(RadToggleSwitchElement);
        }
    }
}