BlogPost4_GenerateGetterLambda.cs

private static Func<object, object> GenerateGetterLambda(PropertyInfo property)
{
    // Define our instance parameter, which will be the input of the Func
    var objParameterExpr = Expression.Parameter(typeof(object), "instance");
    // 1. Cast the instance to the correct type
    var instanceExpr = Expression.TypeAs(objParameterExpr, property.DeclaringType);
    // 2. Call the getter and retrieve the value of the property
    var propertyExpr = Expression.Property(instanceExpr, property);
    // 3. Convert the property's value to object
    var propertyObjExpr = Expression.Convert(propertyExpr, typeof(object));
    // Create a lambda expression of the latest call & compile it
    return Expression.Lambda<Func<object, object>>(propertyObjExpr, objParameterExpr).Compile();
}