xamarin IOS gradient view

gradient helper.cs

public void GradientHelper  (UIColor colorOne , UIColor colorTwo , UIView myView) 
        {
            
            var gradientLayer = new CAGradientLayer();
            myView.Frame = myView.Bounds;
            gradientLayer.Colors = gradientLayer.Colors = new[] { colorOne.CGColor, colorTwo.CGColor };
            gradientLayer.Locations = new NSNumber[] { 0, 1 };
            gradientLayer.StartPoint = new CoreGraphics.CGPoint(x: 1.0, y:1.0);
            gradientLayer.EndPoint = new CoreGraphics.CGPoint(x: 0.0, y: 0.0);

            myView.Layer.InsertSublayer(gradientLayer,0);
           
        }