http://blogs.msdn.com/zifengh/archive/2007/11/06/annotation-from-c-to-jitted-code-byval-and-byref.aspxI am trying to understand the difference between ByVal and ByRef objects. In below C# code we pass different parameter types to the Test method. Let’s see how the runtime treat them differently at the IL and Assembly level. using System; using System.Runtime.CompilerServices;en-USCommunityServer 2.1 SP1 (Build: 61025.2)