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    copied!<p>I did some <a href="https://stackoverflow.com/questions/10820453/reflection-performance-create-delegate-properties-c">benchmarking here</a> when you know the type arguments (a non generic approach wont be very different). <code>CreateDelegate</code> would be the fastest approach for a property if you can't directly access it. With <code>CreateDelegate</code> you get a direct handle to <code>GetGetMethod</code> and <code>GetSetMethod</code> of the <code>PropertyInfo</code>, hence reflection is not used every time.</p> <pre><code>public static Func&lt;S, T&gt; BuildGetAccessor&lt;S, T&gt;(Expression&lt;Func&lt;S, T&gt;&gt; propertySelector) { return propertySelector.GetPropertyInfo().GetGetMethod().CreateDelegate&lt;Func&lt;S, T&gt;&gt;(); } public static Action&lt;S, T&gt; BuildSetAccessor&lt;S, T&gt;(Expression&lt;Func&lt;S, T&gt;&gt; propertySelector) { return propertySelector.GetPropertyInfo().GetSetMethod().CreateDelegate&lt;Action&lt;S, T&gt;&gt;(); } // a generic extension for CreateDelegate public static T CreateDelegate&lt;T&gt;(this MethodInfo method) where T : class { return Delegate.CreateDelegate(typeof(T), method) as T; } public static PropertyInfo GetPropertyInfo&lt;S, T&gt;(this Expression&lt;Func&lt;S, T&gt;&gt; propertySelector) { var body = propertySelector.Body as MemberExpression; if (body == null) throw new MissingMemberException("something went wrong"); return body.Member as PropertyInfo; } </code></pre> <p>So now you call:</p> <pre><code>TestClass cwp = new TestClass(); var access = BuildGetAccessor((TestClass t) =&gt; t.AnyValue); var result = access(cwp); </code></pre> <p>Or even better you can encapsulate the logic in a dedicated class to have a get and set methods on it.</p> <p>Something like:</p> <pre><code>public class Accessor&lt;S&gt; { public static Accessor&lt;S, T&gt; Create&lt;T&gt;(Expression&lt;Func&lt;S, T&gt;&gt; memberSelector) { return new GetterSetter&lt;T&gt;(memberSelector); } public Accessor&lt;S, T&gt; Get&lt;T&gt;(Expression&lt;Func&lt;S, T&gt;&gt; memberSelector) { return Create(memberSelector); } public Accessor() { } class GetterSetter&lt;T&gt; : Accessor&lt;S, T&gt; { public GetterSetter(Expression&lt;Func&lt;S, T&gt;&gt; memberSelector) : base(memberSelector) { } } } public class Accessor&lt;S, T&gt; : Accessor&lt;S&gt; { Func&lt;S, T&gt; Getter; Action&lt;S, T&gt; Setter; public bool IsReadable { get; private set; } public bool IsWritable { get; private set; } public T this[S instance] { get { if (!IsReadable) throw new ArgumentException("Property get method not found."); return Getter(instance); } set { if (!IsWritable) throw new ArgumentException("Property set method not found."); Setter(instance, value); } } protected Accessor(Expression&lt;Func&lt;S, T&gt;&gt; memberSelector) //access not given to outside world { var prop = memberSelector.GetPropertyInfo(); IsReadable = prop.CanRead; IsWritable = prop.CanWrite; AssignDelegate(IsReadable, ref Getter, prop.GetGetMethod()); AssignDelegate(IsWritable, ref Setter, prop.GetSetMethod()); } void AssignDelegate&lt;K&gt;(bool assignable, ref K assignee, MethodInfo assignor) where K : class { if (assignable) assignee = assignor.CreateDelegate&lt;K&gt;(); } } </code></pre> <p>Short and simple. You can carry around an instance of this class for every "class-property" pair you wish to get/set.</p> <p>Usage:</p> <pre><code>Person p = new Person { Age = 23 }; var ageAccessor = Accessor&lt;Person&gt;(x =&gt; x.Age); int age = ageAccessor[p]; //gets 23 ageAccessor[p] = 45; //sets 45 </code></pre> <p>Bit bad use of indexers here, you may replace it with dedicated "Get" and "Set" methods, but very intuitive to me :)</p> <p>To avoid having to specify type each time like,</p> <pre><code>var ageAccessor = Accessor&lt;Person&gt;(x =&gt; x.Age); var nameAccessor = Accessor&lt;Person&gt;(x =&gt; x.Name); var placeAccessor = Accessor&lt;Person&gt;(x =&gt; x.Place); </code></pre> <p>I made the base <code>Accessor&lt;&gt;</code> class instantiable, which means you can do</p> <pre><code>var personAccessor = new Accessor&lt;Person&gt;(); var ageAccessor = personAccessor.Get(x =&gt; x.Age); var nameAccessor = personAccessor.Get(x =&gt; x.Name); var placeAccessor = personAccessor.Get(x =&gt; x.Place); </code></pre> <p>Having a base <code>Accessor&lt;&gt;</code> class means you can treat them as one type, for eg,</p> <pre><code>var personAccessor = new Accessor&lt;Person&gt;(); var personAccessorArray = new Accessor&lt;Person&gt;[] { personAccessor.Get(x =&gt; x.Age), personAccessor.Get(x =&gt; x.Name), personAccessor.Get(x =&gt; x.Place); }; </code></pre>
 

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