ITPhone::put_RingVolume method (tapi3if.h)
The put_RingVolume method requests that the phone change its ring volume.
The application must call ITPhone::Open before invoking this method; otherwise, the invocation fails.
Syntax
HRESULT put_RingVolume(
[in] long lRingVolume
);
Parameters
[in] lRingVolume
Phone volume. For more information, see the following Remarks section.
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
If the phone is currently ringing (RingMode != 0), the new volume takes effect immediately. If the phone is not currently ringing (RingMode == 0), the new volume takes effect the next time the phone rings.
Requirements
Requirement | Value |
---|---|
Target Platform | Windows |
Header | tapi3if.h (include Tapi3.h) |
Library | Uuid.lib |
DLL | Tapi3.dll |