Windows Messenger Overviews

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Overviews

Coordinating Toast Pop-ups Between Multiple Clients

This topic provides basic information about coordinating Toast Pop-ups between multiple clients.

Developing and Testing Applications with the Messenger Service APIs

This topic provides basic information and requirements you need to develop, test, and deploy Messenger client applications that use the Messenger service APIs.

Messenger Lock and Key API

This topic explains how to unlock the Messenger service APIs using Messenger Lock and Key.

Messenger Session Invite and Messenger Private APIs

This topic provides information about the Messenger Session Invite APIs that provide a way to run peer-to-peer applications for any two Messenger client users.

Using the Registration Mechanism

This topic provides basic information about registering a non-Microsoft messenger application.