So far in this series we have learned about the Sign-In control, how to use it and the new features allowing you customize and hide it. We have also learned about the User class, how to implement that and also some of it’s new features such as the ability to display the user’s sign-in picture. The next step in our journey through the Web Messenger API and our Custom Control is contacts. After all there is little point in having a messenger control if you have nobody to talk to.
In Windows Live Messenger, there is the ability to group your contacts. You can place each contact into a group so that referencing a contact becomes quicker and Messenger is easier to manage. So before we delve into Contacts themselves, we need to implement groups.
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