Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

### - h -

- h : TileArea
- HandleButtonClick() : Window
- HandleCloneVehClick() : DepotWindow
- HandleHeader() : NetworkHTTPSocketHandler
- HandleIncomingNetworkGameInfoGRFConfig() : NetworkUDPSocketHandler , ClientNetworkUDPSocketHandler
- HandleLoading() : Vehicle
- HandlePacket() : NetworkContentSocketHandler
- handles : Fio
- HandleUDPPacket() : NetworkUDPSocketHandler
- hard_value : AIConfigItem
- has_2CC : GRFLoadedFeatures
- has_newhouses : GRFLoadedFeatures
- has_newindustries : GRFLoadedFeatures
- has_quit : NetworkSocketHandler
- HasAI() : AIConfig
- HasArticulatedPart() : RoadVehicle , Train
- HasCargoClass() : AICargo
- HasClientQuit() : NetworkSocketHandler
- HasDock() : AIIndustry , AIIndustryType
- HasFreeBay() : RoadStop
- hash : MD5File
- HasHeliport() : AIIndustry , AIIndustryType
- HasItem() : AIAbstractList
- HasNext() : AIAbstractListSorterItemDescending , AIAbstractList , AIAbstractListSorter , AIAbstractListSorterValueAscending , AIAbstractListSorterValueDescending , AIAbstractListSorterItemAscending
- HasPowerOnRail() : AIEngine
- HasRoadType() : AIRoad , AIStation
- HasScriptCrashed() : Squirrel
- HasSet() : BaseMedia< Tbase_set >
- HasSharedOrders() : AIVehicle
- HasStationType() : AIStation
- HasStatue() : AITown
- HasTransportType() : AITile
- HasTreeOnTile() : AITile
- HasWagonRemoval() : AIGroup
- HasWaypointType() : AIWaypoint
- Hdr() : CBlobBaseSimple , FixedSizeArray< T, C >
- hdrEmpty : CBlobBaseSimple
- head : NWidgetContainer
- heading : AirportFTA
- height : TerraformerHeightMod , Sprite , Window , Blitter::BlitterParams , BmpInfo , SpriteLoader::Sprite , ViewPort , HeightMap
- height_colours : SmallMapColourScheme
- height_detailed : ErrmsgWindow
- height_summary : ErrmsgWindow
- heightmap_rotation : GameCreationSettings
- highest_value : SnowLine
- hook : IConsoleCmd
- hostname : NetworkAddress , NetworkGameInfo
- hs : SearchNearbyHouseData
- hscroll : Window
- http_response : ClientNetworkContentSocketHandler
- http_response_index : ClientNetworkContentSocketHandler
- HTTPReceive() : NetworkHTTPSocketHandler