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lineGetCallBarringState

Windows Mobile 6.5
A version of this page is also available for
4/8/2010

Use the lineGetCallBarringState function to retrieve the current barring state for a given mode.


LONG WINAPI lineGetCallBarringState(
  HLINE hLine,
  DWORD dwMode,
  LPDWORD lpdwClasses,
  LPCTSTR lpszPassword
);

hLine

The line device handle. The line device handle must have been previously obtained by a call to lineOpen with the proper TAPI device ID specified and a device-specific extension version successfully negotiated with lineNegotiateExtVersion.

dwMode

Indicates which barring mode the application needs status on.

lpdwClasses

Points to a bit field DWORD indicating which media modes are currently barred. See the Barring Modes constants for possible values.

lpszPassword

A password may be necessary to read the current barring status.

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

  • LINEERR_INCORRECTPASSWORD
  • LINEERR_RESOURCEUNAVAIL
  • LINEERR_INVALLINEHANDLE
  • LINEERR_STRUCTURETOOSMALL
  • LINEERR_INVALPOINTER
  • LINEERR_UNINITIALIZED
  • LINEERR_NOMEM
  • LINEERR_OPERATIONUNAVAIL
  • LINEERR_OPERATIONFAILED

This function is synchronous. No LINE_REPLY message is sent. Not implemented for CDMA.

Headerextapi.h
Librarycellcore.lib
Windows Embedded CEWindows Embedded CE 6.0 and later
Windows MobilePocket PC 2002 and later, Smartphone 2002 and later

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