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LINE_CURRENTSYSTEMCHANGE (Windows Embedded CE 6.0)

  • Article

1/6/2010

A LINE_DEVSPECIFIC message with dwMessageType set to LINE_CURRENTSYSTEMCHANGE is sent to the application every time the current system changes.

Note

You can use the function lineGetCurrentSystemType to return the same information on demand.

Syntax

#define LINE_CURRENTSYSTEMCHANGE
    dwParam1 = LINE_CURRENTSYSTEMCHANGE;
    dwParam2;
    dwParam3;

Parameters

  • dwParam1
    The type of the message, in this case LINE_CURRENTSYSTEMCHANGE.
  • dwParam2
    The new system coverage type. See the Remarks section for a complete list of possible values.
  • dwParam3
    Unused.

Remarks

The following table contains details about the Line System Type constants that can be contained in the parameter dwParam2.

Constant Protocol Value Decscription

LINESYSTEMTYPE_NONE

CDMA

0x00000000

No air interface standard

LINESYSTEMTYPE_IS95A

CDMA

0x00000001

IS95A air interface standard

LINESYSTEMTYPE_IS95B

CDMA

0x00000002

IS95B air interface standard

LINESYSTEMTYPE_1XRTTPACKET

CDMA

0x00000004

1XRTTPACKET one-carrier radio-transmission technology

LINESYSTEMTYPE_GSM

GSM

0x00000008

Global System for Mobile Communications (GSM)

LINESYSTEMTYPE_GPRS

GSM

0x00000010

General Packet Radio Service (GPRS)

Requirements

Header extapi.h
Windows Embedded CE Windows CE 3.0 and later

See Also

Reference

Extended TAPI Messages
LINE_CURRENTLINECHANGE
lineGetCurrentSystemType