Important:
This is retired content. This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.
A version of this page is also available for
4/8/2010

A LINE_DEVSPECIFIC message with dwMessageTypeset to LINE_REGISTERSTATE is sent to the application every time that the registration state changes. This includes switching to a different cell tower.

Syntax 

#define LINE_REGISTERSTATE

dwParam1 = LINE_REGISTERSTATE;

dwParam2;

dwParam3;

Parameters

dwParam1

The type of the message, in this case LINE_REGISTERSTATE.

dwParam2

The registration state. See the Registration Statusconstants for possible values.

dwParam3

Unused.

Remarks

When the location information changes, the LINE_REGISTERSTATE message is sent with the dwParam2parameter set to the current registration state upon detection of RIL_NOTIFY_LOCATIONUPDATE.

When the Enhanced Operator Name String (EONS) is available or is updated, the LINE_REGISTERSTATE message is sent with the dwParam2parameter set to the current registration state upon detection of RIL_NOTIFY_EONS.

Requirements

Header extapi.h
Windows Embedded CE Windows Embedded CE 6.0 and later
Windows Mobile Pocket PC 2002 and later, Smartphone 2002 and later

See Also