private void gauge_MarkerChanged(object sender, EventArgs e)
{
this.color = new Color(this.gaugeList[RedGaugePosn].Marker, this.gaugeList[GreenGaugePosn].Marker, this.gaugeList[BlueGaugePosn].Marker, this.gaugeList[AlphaGaugePosn].Marker);
this.OnColorChanged(EventArgs.Empty);
}