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    <p>With a bit of reflection, you can turn an anonymous type into a Dictionary&lt;string, object&gt;; Roy Osherove blogs his technique for this here: <a href="http://weblogs.asp.net/rosherove/archive/2008/03/11/turn-anonymous-types-into-idictionary-of-values.aspx" rel="nofollow noreferrer">http://weblogs.asp.net/rosherove/archive/2008/03/11/turn-anonymous-types-into-idictionary-of-values.aspx</a></p> <p>Jacob Carpenter uses anonymous types as a way to initialize immutable objects with syntax similar to object initialization: <a href="http://jacobcarpenter.wordpress.com/2007/11/19/named-parameters-part-2/" rel="nofollow noreferrer">http://jacobcarpenter.wordpress.com/2007/11/19/named-parameters-part-2/</a></p> <p>Anonymous types can be used as a way to give easier-to-read aliases to the properties of objects in a collection being iterated over with a <code>foreach</code> statement. (Though, to be honest, this is really nothing more than the standard use of anonymous types with <a href="http://msdn.microsoft.com/en-us/library/bb397919.aspx" rel="nofollow noreferrer">LINQ to Objects</a>.) For example:</p> <pre><code>Dictionary&lt;int, string&gt; employees = new Dictionary&lt;int, string&gt; { { 1, "Bob" }, { 2, "Alice" }, { 3, "Fred" }, }; // standard iteration foreach (var pair in employees) Console.WriteLine("ID: {0}, Name: {1}", pair.Key, pair.Value); // alias Key/Value as ID/Name foreach (var emp in employees.Select(p =&gt; new { ID = p.Key, Name = p.Value })) Console.WriteLine("ID: {0}, Name: {1}", emp.ID, emp.Name); </code></pre> <p>While there's not much improvement in this short sample, if the <code>foreach</code> loop were longer, referring to <code>ID</code> and <code>Name</code> might improve readability.</p>
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