This may be updated in some view contexts. It may also be set to null to indicate the current session is being released. To fully implement this interface it is necessary to be prepared for transitions to a different session object and to or from null.
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2