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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Reflection;
 
using Xamarin.Forms;
 
namespace Greetings
{
    public class ReflectedColorsPage : ContentPage
    {
        public ReflectedColorsPage()
        {
            StackLayout stackLayout = new StackLayout
            {
                // BackgroundColor = Color.Blue,
                Orientation = StackOrientation.Horizontal
            };
 
            // Loop through the Color structure fields.
            foreach (FieldInfo info in typeof(Color).GetRuntimeFields())
            {
                // Skip the obsolete (i.e. misspelled) colors.
                if (info.GetCustomAttribute<ObsoleteAttribute>() != null)
                    continue;
                
                if (info.IsPublic && info.IsStatic && info.FieldType == typeof(Color))
                    {
                    stackLayout.Children.Add(CreateColorLabel((Color)info.GetValue(null),
                        info.Name));
                }
            }
 
            // Loop through the Color structure properties.
            foreach (PropertyInfo info in typeof(Color).GetRuntimeProperties())
            {
                MethodInfo methodInfo = info.GetMethod;
                
                if (methodInfo.IsPublic && methodInfo.IsStatic && methodInfo.ReturnType == typeof(Color))
                {
                    stackLayout.Children.Add(CreateColorLabel((Color)info.GetValue(null), info.Name));
                }
            }
 
            Padding = new Thickness(5, Device.OnPlatform(20, 5, 5), 5, 5);
 
            // Put the StackLayout in a ScrollView.
            Content = new ScrollView
            {
                Orientation =  ScrollOrientation.Horizontal,
                Content = stackLayout
            }; 
        }
        Label CreateColorLabel (Color color, string name)
        {
            Color backgroundColor = Color.Default;
 
            if (color != Color.Default)
            {
                // Standard luminance calculation.
                double luminance = 0.30 * color.R + 0.59 * color.G + 0.11 * color.B;
 
                backgroundColor = luminance > 0.5 ? Color.Black : Color.White;
            }
 
            // Create the Label.
            return new Label
            {
                Text = name,
                TextColor = color, 
                FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Label)),
                BackgroundColor = backgroundColor,
            };
        }
    }
}
cs


자마린에서 쓰는 메서드, 속성 이해가 잘 안되네. 어린 애들은 이거 보고 금방 이해하겠지?