public static T Source <T>(this T control, Action <GradientBuilder> build) where T : IGradientControl
{
var builder = new GradientBuilder();
build.Invoke(builder);
control.GradientSource = builder.BuildSource();
return(control);
}
public static void BuildFor(this GradientBuilder builder, IGradientControl control)
{
control.GradientSource = builder.BuildSource();
}