phoneGetRing
The
phoneGetRing function enables an application to query the specified open phone device as
to its current ring mode.
LONG phoneGetRing(
HPHONE hPhone,
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LPDWORD lpdwRingMode,
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LPDWORD lpdwVolume
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);
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Parameters
hPhone
A handle to the open phone device.
lpdwRingMode
The ringing pattern with which the phone is ringing. Zero indicates that the
phone is not ringing.
lpdwVolume
The volume level with which the phone is ringing. This is a number in the
range 0x00000000 (silence) to 0x0000FFFF (maximum volume). The actual granularity
and quantization of volume settings in this range are service-provider specific.
Return Values
Returns zero if the request is successful or a negative error number if an
error has occurred. Possible return values are:
PHONEERR_INVALPHONEHANDLE, PHONEERR_NOMEM, PHONEERR_INVALPHONESTATE,
PHONEERR_RESOURCEUNAVAIL, PHONEERR_INVALPOINTER, PHONEERR_OPERATIONFAILED,
PHONEERR_OPERATIONUNAVAIL, PHONEERR_UNINITIALIZED.
Remarks
The service provider defines the actual audible ringing patterns corresponding
to each of phone's ring modes.
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