U

UncaptureComponent
UnholdMemory
Unicode
UnicodeMapping
UnicodeToTextFallbackProcPtr
UnicodeToTextInfo
UnicodeToTextRunInfo
Unimplemented
UnionRect
UnionRgn
Unique1ID
UniqueID
UnloadScrap
UnloadSeg
UnlockMemory
UnlockPixels
UnmountVol
UnpackBits
UnregisterAppearanceClient
UnregisterComponent
UnRegisterSection
UpdateAlias
UpdateControls
UpdateDialog
UpdateGWorld
UpdateResFile
UpdateTranslationProgress
UpgradeScriptInfoToTextEncoding
UppercaseStripDiacritics
UppercaseText
UpperString
UpTime
URLAbort
URLCallbackInfo
URLDisposeReference
URLDownload
URLGetBuffer
URLGetCurrentState
URLGetDataAvailable
URLGetError
URLGetFileInfo
URLGetProperty
URLGetPropertySize
URLGetURLAccessAvailable
URLGetURLAccessVersion
URLIdle
URLNewReference
URLOpen
URLReference
URLReleaseBuffer
URLSetProperty
URLSimpleDownload
URLSimpleUpload
URLUpload
UseInputWindow
UseResFile
UseThemeFont