Geocoding.net | C # GeoCoding / Address Validation API

I'm trying to get the lat/lng of my current location of my win7 PC, I'm using Bing maps. I've had some words with the guys at the SO C# chat room and they told me about this github project. Now I've downloaded the NuGet components: Geocoding.Core and Geocoding.Microsoft

In the example provided, an IGeocoder should be instantiated as follows:

IGeocoder geocoder = new GoogleGeocoder() { ApiKey = "this-is-my-optional-google-api-key" };

Now what I'm trying to do is using MicrosoftGeocoder instead. But the IDE doesn't seem to have this kind of constructor, the new keyword won't give me that option. Here's my code: