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ITPhoneEvent::get_ButtonLampId method (tapi3if.h)

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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

See also

ITPhoneEvent

ITPhoneEvent::get_Event