ITPhoneEvent::get_ButtonLampId method (tapi3if.h)
The get_ButtonLampId method returns a long value indicating which button or lamp triggered the event. This information is available only when ITPhoneEvent::get_Event returns PE_LAMPMODE or PE_BUTTON.
Syntax
HRESULT get_ButtonLampId(
[out] long *plButtonLampId
);
Parameters
[out] plButtonLampId
Button or lamp ID.
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 |