[MSDN Library June 1998] IUnknown::QueryInterface (80.5555555555556%)

MSDN Library Visual Studio 6.0 > Platform SDK > COM and ActiveX Object Services > COM > Reference > Interfaces > IUnknown

[MSDN Library June 1998] IUnknown::Release (70.1388888888889%)

MSDN Library Visual Studio 6.0 > Platform SDK > COM and ActiveX Object Services > COM > Reference > Interfaces > IUnknown

[MSDN Library June 1998] IUnknown::AddRef (68.0555555555556%)

MSDN Library Visual Studio 6.0 > Platform SDK > COM and ActiveX Object Services > COM > Reference > Interfaces > IUnknown

[MSDN Library June 1998] IUnknown::QueryInterface (59.8817567567568%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Telephony Application Programming Interface (TAPI) > TAPI Version 3.0 > Call and Media Controls > Call and Media Control Reference > Call and Media Control COM Interfaces > IUnknown

[MSDN Library June 1998] IUnknown::Release (49.4650900900901%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Telephony Application Programming Interface (TAPI) > TAPI Version 3.0 > Call and Media Controls > Call and Media Control Reference > Call and Media Control COM Interfaces > IUnknown