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    <p>I think this can be done using <code>PropertyInfo</code> and some lambda magic:</p> <pre><code>class ComparisonBinder&lt;TSource,TValue&gt; : ExpressionBinder&lt;bool&gt; { public ComparisonBinder(TSource source, Expression&lt;Func&lt;TSource, bool&gt;&gt; propertyLambda, TValue comparisonValue) :base(null,null) { var propertyInfo = GetPropertyInfo&lt;TSource,bool&gt;(source, propertyLambda); this.Getter = () =&gt; comarisonValue.Equals((TValue)propertyInfo.GetValue(source)); this.Setter = (bool value) =&gt; { if(value) propertyInfo.SetValue(source, comparisonValue); }; } } </code></pre> <p>Usage:</p> <pre><code>radioMale.DataBindings.Add("Checked", new ComparisonBinder&lt;ConfigClass, GenderEnum&gt;(config, c =&gt; c.Gender, GenderEnum.Male), "Value"); radioFemale.DataBindings.Add("Checked", new ComparisonBinder&lt;ConfigClass, GenderEnum&gt;(config, c =&gt; c.Gender, GenderEnum.Female), "Value"); </code></pre> <p>I have not tested it but hopefully you'll be able to fix any errors and use this solution.</p> <p>GetPropertyInfo(): copied from <a href="https://stackoverflow.com/a/672212/724944">https://stackoverflow.com/a/672212/724944</a></p> <pre><code>public PropertyInfo GetPropertyInfo&lt;TSource, TProperty&gt;( TSource source, Expression&lt;Func&lt;TSource, TProperty&gt;&gt; propertyLambda) { Type type = typeof(TSource); MemberExpression member = propertyLambda.Body as MemberExpression; if (member == null) throw new ArgumentException(string.Format( "Expression '{0}' refers to a method, not a property.", propertyLambda.ToString())); PropertyInfo propInfo = member.Member as PropertyInfo; if (propInfo == null) throw new ArgumentException(string.Format( "Expression '{0}' refers to a field, not a property.", propertyLambda.ToString())); if (type != propInfo.ReflectedType &amp;&amp; !type.IsSubclassOf(propInfo.ReflectedType)) throw new ArgumentException(string.Format( "Expresion '{0}' refers to a property that is not from type {1}.", propertyLambda.ToString(), type)); return propInfo; } </code></pre>
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    1. COI just came up with a code really close to this one. But thanks! I'll incorporate this `GetPropertyInfo` method, since I was not checking everything I should, and update the question for further reference. Now I have to make the bounding two-way. But that's another question...
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