[Microsoft代理程式從 Windows 7 開始已被取代，而且可能無法在後續版本的 Windows 中使用。]
此參考包含下列介面：
- IAgent
- IAgentAudioOutputProperties
- IAgentAudioOutputPropertiesEx
- IAgentBalloon
- IAgentBalloonEx
- IAgentCharacter
- IAgentCharacterEx
- IAgentCommand
- IAgentCommandEx
- IAgentCommands
- IAgentCommandsEx
- IAgentCommandWindow
- IAgentEx
- IAgentNotifySink
- IAgentNotifySinkEx
- IAgentPropertySheet
- IAgentSpeechInputProperties
- IAgentUserInput