private void Initialize()
{
trackColor = UIColor.FromWhiteAlpha(1f, 1);
curvaceousness = 1;
trackLayer = new CALayer();
trackLayer.BackgroundColor = UIColor.FromRGB(183, 183, 183).CGColor;
Layer.AddSublayer(trackLayer);
rangeLayer = new CALayer();
rangeLayer.BackgroundColor = UIColor.FromRGB(0, 122, 255).CGColor;
Layer.AddSublayer(rangeLayer);
upperKnobLayer = new CERangeSliderKnobLayer();
upperKnobLayer.Name = "Upper";
upperKnobLayer.Slider = this;
Layer.AddSublayer(upperKnobLayer);
lowerKnobLayer = new CERangeSliderKnobLayer();
lowerKnobLayer.Name = "Lower";
lowerKnobLayer.Slider = this;
Layer.AddSublayer(lowerKnobLayer);
SetLayerFrames();
}
private void SetKnobLayer(nfloat centerPosition, CERangeSliderKnobLayer layer)
{
layer.Frame = new CGRect(centerPosition - knobWidth / 2f, 0, knobWidth, knobWidth);
layer.ShadowOffset = new SizeF(0, 3);
layer.ShadowOpacity = 0.4f;
layer.ShadowColor = UIColor.Gray.CGColor;
layer.SetNeedsDisplay();
}