using System;

public class Program

{

    public static void Main()

    {

        Type diagramtype = typeof(DiagramType);

        var myDiagramType = (DiagramType) 0;

        var myDiagramType2 = new DiagramType();

        var myDiagramColor = DiagramColor.Green;

        Console.WriteLine("Diagram Types:");

        foreach ( string s in Enum.GetNames(diagramtype) )

            Console.WriteLine( "{0,-11}= {1}", s, Enum.Format( diagramtype, Enum.Parse(diagramtype, s), "d"));

        Console.WriteLine();

        DiagramColor myColors = DiagramColor.Red | DiagramColor.Blue | DiagramColor.Yellow;

        Console.WriteLine();

        Console.WriteLine("My COLORS: {0}", myColors);

        Console.WriteLine();

        Console.WriteLine(myDiagramType);

        Console.WriteLine(myDiagramType2.ToString());

                Console.WriteLine();

        Console.WriteLine(myDiagramColor);

        string[] formats= { "G", "F", "D", "X"};

        foreach (var fmt in formats)

            Console.WriteLine(myDiagramColor.ToString(fmt));

        string  test = "Red";

        DiagramColor getParse;

        bool checkParse = Enum.TryParse( test, out getParse);

        Console.WriteLine(getParse);

    }

}

​

enum DiagramType {Class, Object, Process }

[Flags]

enum DiagramColor {Red=1, Green=2, Yellow=4, Blue=8}

enum DiagramSize {Small = 100, Medium = 200, Large = 400}

enum DiagramForm {Square = 1, Round =2, RoundedSquare = 3}

​

​