Get all iteration paths in TFS programtically

A common way to organize work items in TFS is to assign them to different iterations. I’m using this with the scum model where every sprint corresponds to one iteration. So how can we get all iteration paths in TFS to use them in our own implementation. The information is not saved on the work items, we will need to look directly at the project object and recursively iterate on the iteration object tree to get all iteration paths.

Example project

In this example you will be able to connect to a TFS server and get all work items based on project and iteration path listed.
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