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copied!<p>I made some extensions for easy enum usage, maybe someone can use it...</p> <pre><code>public static class EnumExtensions { /// <summary> /// Gets all items for an enum value. /// </summary> /// <typeparam name="T"></typeparam> /// <param name="value">The value.</param> /// <returns></returns> public static IEnumerable<T> GetAllItems<T>(this Enum value) { foreach (object item in Enum.GetValues(typeof(T))) { yield return (T)item; } } /// <summary> /// Gets all items for an enum type. /// </summary> /// <typeparam name="T"></typeparam> /// <param name="value">The value.</param> /// <returns></returns> public static IEnumerable<T> GetAllItems<T>() where T : struct { foreach (object item in Enum.GetValues(typeof(T))) { yield return (T)item; } } /// <summary> /// Gets all combined items from an enum value. /// </summary> /// <typeparam name="T"></typeparam> /// <param name="value">The value.</param> /// <returns></returns> /// <example> /// Displays ValueA and ValueB. /// <code> /// EnumExample dummy = EnumExample.Combi; /// foreach (var item in dummy.GetAllSelectedItems<EnumExample>()) /// { /// Console.WriteLine(item); /// } /// </code> /// </example> public static IEnumerable<T> GetAllSelectedItems<T>(this Enum value) { int valueAsInt = Convert.ToInt32(value, CultureInfo.InvariantCulture); foreach (object item in Enum.GetValues(typeof(T))) { int itemAsInt = Convert.ToInt32(item, CultureInfo.InvariantCulture); if (itemAsInt == (valueAsInt & itemAsInt)) { yield return (T)item; } } } /// <summary> /// Determines whether the enum value contains a specific value. /// </summary> /// <param name="value">The value.</param> /// <param name="request">The request.</param> /// <returns> /// <c>true</c> if value contains the specified value; otherwise, <c>false</c>. /// </returns> /// <example> /// <code> /// EnumExample dummy = EnumExample.Combi; /// if (dummy.Contains<EnumExample>(EnumExample.ValueA)) /// { /// Console.WriteLine("dummy contains EnumExample.ValueA"); /// } /// </code> /// </example> public static bool Contains<T>(this Enum value, T request) { int valueAsInt = Convert.ToInt32(value, CultureInfo.InvariantCulture); int requestAsInt = Convert.ToInt32(request, CultureInfo.InvariantCulture); if (requestAsInt == (valueAsInt & requestAsInt)) { return true; } return false; } } </code></pre> <p>The enum itself must be decorated with the <a href="http://msdn.microsoft.com/en-us/library/system.flagsattribute.aspx" rel="noreferrer">FlagsAttribute</a></p> <pre><code>[Flags] public enum EnumExample { ValueA = 1, ValueB = 2, ValueC = 4, ValueD = 8, Combi = ValueA | ValueB } </code></pre>

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