lineSetCallBarringState (Windows Embedded CE 6.0)

1/6/2010

Use the lineSetCallBarringState function to set call barring of media modes for a given call-barring mode.

Syntax

LONG WINAPI lineSetCallBarringState(
  HLINE hLine,
  DWORD dwMode,
  DWORD dwClasses,
  LPCTSTR lpszPassword
);

Parameters

• 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 to set.

• dwClasses
  Indicates which line capability classes to bar. See the Line Capability Classes constants for possible values.

• lpszPassword
  A password may be necessary to set the current barring status.

Return Value

Returns a positive request identifier if the function is completed asynchronously, or a negative error number if an error occurs. The dwParam2 parameter of the corresponding LINE_REPLY message is zero if the function succeeds or it is a negative error number if an error occurs. The following are possible return values:

• LINEERR_INVALLINEHANDLE
• LINEERR_NOMEM
• LINEERR_OPERATIONUNAVAIL
• LINEERR_OPERATIONFAILED
• LINEERR_RESOURCEUNAVAIL
• LINEERR_INVALPOINTER
• LINEERR_INVALPARAM
• LINEERR_UNINITIALIZED

Remarks

Not implemented for CDMA.

This is a privileged function.

Requirements

See Also

Reference

Extended TAPI Functions
Line Capability Classes