Enumeração ConsoleColor

using System;

class Example
{
   public static void Main() 
   {
      // Get a string array with the names of ConsoleColor enumeration members.
      String[] colorNames = ConsoleColor.GetNames(typeof(ConsoleColor));

      // Display each foreground color except black on a constant black background.
      Console.WriteLine("All the foreground colors (except Black) on a constant black background:");

      foreach (string colorName in colorNames)
      {
         // Convert the string representing the enum name to the enum value.
         ConsoleColor color = (ConsoleColor) Enum.Parse(typeof(ConsoleColor), colorName);

         if (color == ConsoleColor.Black) continue;

         Console.Write("{0,11}: ", colorName);
         Console.BackgroundColor = ConsoleColor.Black;
         Console.ForegroundColor = color;
         Console.WriteLine("This is foreground color {0}.", colorName);
         // Restore the original foreground and background colors.
         Console.ResetColor();
      }
      Console.WriteLine();

      // Display each background color except white with a constant white foreground.
      Console.WriteLine("All the background colors (except White) with a constant white foreground:");

      foreach (string colorName in colorNames)
      {
         // Convert the string representing the enum name to the enum value.
         ConsoleColor color = (ConsoleColor) Enum.Parse(typeof(ConsoleColor), colorName);

         if (color == ConsoleColor.White) continue;

         Console.Write("{0,11}: ", colorName);
         Console.ForegroundColor = ConsoleColor.White;
         Console.BackgroundColor = (ConsoleColor) Enum.Parse(typeof(ConsoleColor), colorName);
         Console.WriteLine("This is background color {0}.", colorName);
         Console.ResetColor();
      }
   }
}
//The example displays the following output:
// All the foreground colors (except Black) on a constant black background:
//    DarkBlue: This is foreground color DarkBlue.
//   DarkGreen: This is foreground color DarkGreen.
//    DarkCyan: This is foreground color DarkCyan.
//     DarkRed: This is foreground color DarkRed.
// DarkMagenta: This is foreground color DarkMagenta.
//  DarkYellow: This is foreground color DarkYellow.
//        Gray: This is foreground color Gray.
//    DarkGray: This is foreground color DarkGray.
//        Blue: This is foreground color Blue.
//       Green: This is foreground color Green.
//        Cyan: This is foreground color Cyan.
//         Red: This is foreground color Red.
//     Magenta: This is foreground color Magenta.
//      Yellow: This is foreground color Yellow.
//       White: This is foreground color White.
// 
// All the background colors (except White) with a constant white foreground:
//       Black: This is background color Black.
//    DarkBlue: This is background color DarkBlue.
//   DarkGreen: This is background color DarkGreen.
//    DarkCyan: This is background color DarkCyan.
//     DarkRed: This is background color DarkRed.
// DarkMagenta: This is background color DarkMagenta.
//  DarkYellow: This is background color DarkYellow.
//        Gray: This is background color Gray.
//    DarkGray: This is background color DarkGray.
//        Blue: This is background color Blue.
//       Green: This is background color Green.
//        Cyan: This is background color Cyan.
//         Red: This is background color Red.
//     Magenta: This is background color Magenta.
//      Yellow: This is background color Yellow.