H

 HandAndHand

 HandleControlClick

 HandleControlKey

 HandleZone

 HandToHand

 HardDiskPowered

 HardDiskQInstall

 HardDiskQRemove

 HasDepth

 HasMovieChanged

 HClrRBit

 HCreate

 HCreateResFile

 HCWordBreakProc

 HDelete

 HGetFInfo

 HGetState

 HGetVol

 HideControl

 HideCursor

 HideDialogItem

 HideDragHilite

 HideFloatingWindows

 HideHCPalettes

 HideMenuBar

 HidePaletteWindows

 HidePen

 HideWindow

 HigherDriverVersion

 HighestUnitNumber

 HiliteColor

 HiliteControl

 HiliteMenu

 HiliteText

 HiliteWindow

 HiliteWindowFrameForDrag

 HitTestDSequenceData

 HiWord

 HLock

 HLockHi

 HMBalloonPict

 HMBalloonRect

 HMExtractHelpMsg

 HMGetBalloons

 HMGetBalloonWindow

 HMGetDialogResID

 HMGetFont

 HMGetFontSize

 HMGetHelpMenuHandle

 HMGetIndHelpMsg

 HMGetMenuResID

 HMIsBalloon

 HMRemoveBalloon

 HMScanTemplateItems

 HMSetBalloons

 HMSetDialogResID

 HMSetFont

 HMSetFontSize

 HMSetMenuResID

 HMShowBalloon

 HMShowMenuBalloon

 HNoPurge

 HoldMemory

 HomeResFile

 HOpen

 HOpenDF

 HOpenResFile

 HOpenRF

 HPurge

 HRename

 HRstFLock

 HSetFInfo

 HSetFLock

 HSetRBit

 HSetState

 HSetVol

 HSL2RGB

 HSV2RGB

 HUnlock

 hypot

 hypotl