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    <p>There are some classes:</p> <pre><code>public class A { public int Id { get; set; } public B BValue { get; set; } public A() { this.Id = 1000; this.BValue = new B(); } } public class B { public string Name { get; set; } public C CValue { get; set; } [NoLog] public string Secret { get; set; } public B() { this.Name = "Empty Name"; this.CValue = new C(); } } public class C { public string Description { get; set; } public C() { this.Description = "Empty Description"; } } </code></pre> <p>and NoLog custom attribue:</p> <pre><code>public class NoLogAttribute : Attribute { } </code></pre> <p>According to your question you use sth like this to pretty print:</p> <pre><code>public static void PrintProperties(object obj, int indent = 4, char intendCharacter = ' ') { if (obj == null) return; string indentString = new string(intendCharacter, indent); Type objType = obj.GetType(); foreach (var pName in GetPropertiesToLogWithCaching(obj)) { var property = objType.GetProperty(pName); object propValue = property.GetValue(obj, null); if (property.PropertyType.Assembly == objType.Assembly) { Console.WriteLine("{0}{1}:", indentString, property.Name); PrintProperties(propValue, indent + 2); } else { Console.WriteLine("{0}{1}: {2}", indentString, property.Name, propValue); } } } </code></pre> <p>I changed the way how we access properties (by name) and added for this two methods:</p> <pre><code>public static List&lt;string&gt; GetPropertiesToLogWithCaching(object obj) { List&lt;string&gt; propertiesToLog = new List&lt;string&gt;(); if (obj != null) { string key = obj.GetType().FullName; propertiesToLog = CacheLayer.Get&lt;List&lt;string&gt;&gt;(key); if (propertiesToLog == null) { propertiesToLog = GetPropertiesToLog(obj); CacheLayer.Add&lt;List&lt;string&gt;&gt;(propertiesToLog, key); } } return propertiesToLog; } public static List&lt;string&gt; GetPropertiesToLog(object obj) { List&lt;string&gt; propertiesToLog = new List&lt;string&gt;(); if (obj != null) { foreach (var p in obj.GetType().GetProperties().Where(prop =&gt; !Attribute.IsDefined(prop, typeof(NoLogAttribute)))) { propertiesToLog.Add(p.Name); } } return propertiesToLog; } </code></pre> <p>where GetPropertiesToLogWithCaching is wrapper of GetPropertiesToLog. ChacheLayer object you can find here <a href="http://www.deanhume.com/home/blogpost/object-caching----net-4/37" rel="nofollow">http://www.deanhume.com/home/blogpost/object-caching----net-4/37</a></p> <p>Now it is recursive and it has caching. As I wrote in first version of answer. The idea is to chache list of properties names and than GetProperty by name without testing attributes as a key for cache we can use FullName of obj Type. Now you need to check how it works.</p>
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    1. PORecursive log object properties in C#
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    1. USŁukasz Adamus
    1. USŁukasz Adamus
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    1. COYour code does not have any caching and it is nor recursive
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      1. USPiotr Stapp
    2. COsorry. i was busy... editing my answer.
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      1. USŁukasz Adamus
    3. COand? have you tested it?
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