private void OnSliderColorValueChanged(object sender, ValueChangedEventArgs e)
{
var v = e.NewValue / 255.0;
var newColor = Color.FromRgb(v, v, v);
ButtonGradientEffect.SetGradientColor(buttonClick, newColor);
}
private void OnSliderColorValueChanged(object sender, ValueChangedEventArgs e)
{
Color gradColor = new Color(e.NewValue / 255.0, e.NewValue / 255.0, e.NewValue / 255.0);
ButtonGradientEffect.SetGradientColor(buttonClick, gradColor);
}