private void CreateSpectrum()
{
pickerBrush = new LinearGradientBrush()
{
StartPoint = new Point(0.5, 0),
EndPoint = new Point(0.5, 1),
ColorInterpolationMode = ColorInterpolationMode.SRgbLinearInterpolation
};
List <Color> colorsList = ColorUtilities.GenerateHsvSpectrum();
double stopIncrement = (double)1 / colorsList.Count;
int i;
for (i = 0; i < colorsList.Count; i++)
{
pickerBrush.GradientStops.Add(new GradientStop(colorsList[i], i * stopIncrement));
}
pickerBrush.GradientStops[i - 1].Offset = 1.0;
_spectrumDisplay.Fill = pickerBrush;
}