Should be called after the client has configured the data in the packet and on a background thread to avoid blocking the client. This does not set the packet as read only, it can still be changed.
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