Reading and listing the Messaging Queues in a web application using System.Messaging Class

Question

I need to read the Messaging Queues and display all the queues and the messages in it in a tree view. I need to display the queues as if we see when we go to ComputerManagement->Services and Applciation ->Messaging queues programatically. I am able to read the Private message queues , but not able to read the System Message queues,Triggers etc.

I am new to C# . Can anyone help me out in this regard.