ITCallInfo::get_CallInfoBuffer method (tapi3if.h)
The get_CallInfoBuffer method gets call information items which require a buffer, such as user-user information. This method is provided for Automation client applications, such as those written in Visual Basic. C and C++ applications must use the ITCallInfo::GetCallInfoBuffer method.
HRESULT get_CallInfoBuffer( [in] CALLINFO_BUFFER CallInfoBuffer, [out] VARIANT *ppCallInfoBuffer );
CALLINFO_BUFFER indicator of information type needed, such as CIB_USERUSERINFO.
Pointer to VARIANT representation of call information buffer. The application must call the CoTaskMemFree function to free the memory allocated for this parameter.
This method can return one of these values.
||Insufficient memory exists to perform the operation.|
||The ppCallInfoBuffer parameter is not a valid pointer.|
||The CallInfoBuffer parameter is not a valid value.|
||The current call state is not valid for this operation.|
|Header||tapi3if.h (include Tapi3.h)|