lineGetCurrentSystemType

Article
08/28/2006

Use the lineGetCurrentSystemType function to get the current line system type.

Syntax

HRESULT lineGetCurrentSystemType (
  HLINE hLine,
  LPDWORD lpdwCurrentSystemType
);

Parameters

hLine
The line device handle.
lpdwCurrentSystemType
Reference to the system type. For more information, see Remarks.

Return Values

Returns zero if the function completed successfully, or a negative error number if an error occurred. The following are possible error return values:

LINEERR_RESOURCEUNAVAIL
LINEERR_INVALLINEHANDLE
LINEERR_STRUCTURETOOSMALL
LINEERR_INVALPOINTER
LINEERR_UNINITIALIZED
LINEERR_NOMEM
LINEERR_OPERATIONUNAVAIL
LINEERR_OPERATIONFAILED

Remarks

The following table contains details about the Line System Types.

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

Pocket PC Platforms: Pocket PC 2003 and later
OS Versions: Windows CE .NET 4.2 and later
Header: extapi.h
Library: cellcore.lib