### - h -

- HangingUp : PModem
- HangUpFailed : PModem
- HardwareFailure : PRemoteConnection
- HD1080Height : PVideoFrameInfo
- HD1080Width : PVideoFrameInfo
- HD480Height : PVideoFrameInfo
- HD480Width : PVideoFrameInfo
- HD720Height : PVideoFrameInfo
- HD720Width : PVideoFrameInfo
- HDTVHeight : PVideoFrameInfo
- HDTVWidth : PVideoFrameInfo
- HEAD : PHTTP
- HeadLine : XMPP::Message
- HELO : PSMTP
- Help : PVXMLGrammar
- HELP : PSMTP, PFTP
- HighestPriority : PThread
- HighPriority : PThread
- HorizontalTabsStops : PTelnetSocket
- HorizTabDisposition : PTelnetSocket
- HostPortOnly : PURL
- HostUnreachable : PICMPSocket
- HTTPPostFailed : PXMLRPC