This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 12345]

Boolean
CNod
CAnchorData
CAudioManager
CAudioSource
CAudioSourceMusic
CBadge
CBlock
CBlockModelVariant
CBlockModelVariantAir
CBlockModelVariantGround
CBlockUnit
CBlockUnitModel
CCollector
CBlockModel
CBlockModelClip
CMacroblockModel
CDataMgr
CGameAchievementScriptAchievement
CGameAchievementScriptAchievementDesc
CGameAchievementScriptEvent
CGameAchievementScriptManager
CGameAchievementScriptStat
CGameAchievementScriptStatDesc
CGameAchievementScriptUplayAction
CGameManagerBadgeScript
CGameMasterServerOnlineSignal
CGameMasterServerOnlineSignal_RecordBeaten
CGameMasterServerPlayerOnlinePresence
CGamePlaygroundModuleServer
CGamePlaygroundModuleServerInventory
CGamePlaygroundModuleServerScoresTable
CGamePlaygroundModuleServerStore
CGamePlaygroundModuleServerHud
CGamePluginInterfacesScript
CGameRealLeaderBoardInfo
CGameScriptNotificationsConsumer
CGameScriptNotificationsConsumerEvent
CGameScriptNotificationsConsumerNotification
CGameUserManagerScript
CGameUserProfile
CGameUserScript
CGhost
CHighScore
CHighScoreComparison
CHighScoreComparisonSummary
CHttpManager
CHttpRequest
CInputEvent
CInputManager
CInputPad
CItemAnchor
CManiaApp
CEditorPlugin
CMapType
CSmMapType
CTmMapType
CGameManiaAppMinimal
CBadgeEditor
CManiaAppBrowser
CManiaAppPlaygroundCommon
CManiaAppPlayground
CManiaAppTitle
CManiaAppEvent
CEditorPluginEvent
CGameManiaAppPlaygroundScriptEvent
CManiaPlanet
CManiaplanetPluginInterface
CManiaplanetPluginInterfaceEvent
CMap
CMapInfo
CMlControl
CMlCamera
CMlEntry
CMlFileEntry
CMlFrame
CMlGauge
CMlGraph
CMlLabel
CMlMediaPlayer
CMlMinimap
CMlQuad
CMlTextEdit
CMlEvent
CMlGraphCurve
CMlPage
CMlScript
CEditorPluginLayer
CManiaAppTitleLayer
CMlBrowser
CMlStation
CMlScriptIngame
CSmMlScriptIngame
CTmMlScriptIngame
CMode
CSmMode
CTmMode
CNetMasterHost
CGameNetServerInfo
CServerInfo
CNetMasterServerUserInfo
CMasterServerUser
CNetUbiServicesNews
CPlayer
CSmPlayer
CTmMlPlayer
CTmPlayer
CPlaygroundClient
CPlug
CImage
CPresenceMgr
CPrivilegeMgr
CScore
CSmScore
CTmScore
CTrackManiaScore
CScoreMgr
CSmAction
CSmActionEvent
CSmBase
CSmGauge
CSmLandmark
CSmBlock
CSmBlockPole
CSmMapBase
CSmMapBotPath
CSmMapBotSpawn
CSmMapGate
CSmMapGauge
CSmMapLandmark
CSmMapObjectAnchor
CSmMapPlayerSpawn
CSmMapSector
CSmModeEvent
CSmObject
CSmPlayerDriver
CSmSector
CStation
CTeam
CTitle
CTitleFlow
CTmModeEvent
CTmRaceClientEvent
CTmResult
CUIConfig
CUIConfigMgr
CUILayer
CUser
CVideo
CVideoManager
CWebServicesTaskResult
CGameMasterServerRichPresenceTaskResult_PlayerOnlinePresenceList
CGameMasterServerRichPresenceTaskResult_GetOnlinePresenceForPlayersScript
CWebServicesTaskResult_BuddiesChallengeRecord
CWebServicesTaskResult_BuddiesChallengeRecordsComparison
CWebServicesTaskResult_BuddyChallengeRecordsComparison
CWebServicesTaskResult_CheckTargetedPrivilegeResult
CWebServicesTaskResult_CheckTargetedPrivilegeResultScript
CWebServicesTaskResult_GetDisplayNameScriptResult
CWebServicesTaskResult_GhostHandle
CWebServicesTaskResult_LaunchUplayScriptResult
CWebServicesTaskResult_RealLeaderBoard
CWebServicesTaskResult_Session_Get
CWebServicesTaskResult_ZoneList
CXmlDocument
CXmlManager
CXmlNode
CXmlRpc
CXmlRpcEvent
CZone
Ident
Int3
Integer
Real
Text
Vec2
Vec3
Void