ITPhone::get_RingVolume method (tapi3if.h)
The get_RingVolume method retrieves the current ring volume for the phone.
The application must call ITPhone::Open before invoking this method; otherwise, the invocation fails.
Syntax
HRESULT get_RingVolume(
[out] long *plRingVolume
);
Parameters
[out] plRingVolume
Ring volume.
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Requirements
Requirement | Value |
---|---|
Target Platform | Windows |
Header | tapi3if.h (include Tapi3.h) |
Library | Uuid.lib |
DLL | Tapi3.dll |