Windows Media Player 11 SDK External.userLoggedIn
Note This topic describes functionality designed for use by online stores. Use of this functionality outside the context of an online store is not supported.
The userLoggedIn property retrieves a value indicating whether the user is signed in to the online store.
This property is a read-only Boolean. TRUE indicates that the user is signed in.
Version: Windows Media Player 11.
Library: Use wmp.dll.