Windows

addAttributeEditorNodeHelp 
appHome
colorEditor
confirmDialog
createEditor
defaultNavigation
editor
editorTemplate
fontDialog
framelessDialog
layoutDialog
minimizeApp
outputWindow
progressWindow
promptDialog
refreshAE 
refreshEditorTemplates
resetAE 
scriptEditorInfo
showSelectionInTitle
showWindow
toggleWindowVisibility
updateAE 
window
windowPref
workspaceControlState
workspacePanel

Panels

canCreateCaddyManip
componentEditor
contentBrowser
getMayaPanelTypes 
getPanel
hardwareRenderPanel
hotkeyEditorPanel
hyperGraph
hyperPanel
hyperShade
inViewEditor
modelEditor
modelPanel
nodeEditor
nodeOutliner
outlinerEditor
outlinerPanel
panel
panelConfiguration
panelHistory
saveViewportSettings
scriptedPanel
scriptedPanelType
setFocus
spreadSheetEditor
viewManip
visor
webBrowser
webBrowserPrefs

Controls

Buttons, Sliders, etc.
attrColorSliderGrp
attrControlGrp
attrFieldGrp
attrFieldSliderGrp
attrNavigationControlGrp
button
canvas
channelBox
checkBox
checkBoxGrp
cmdScrollFieldExecuter
cmdScrollFieldReporter
cmdShell
colorIndexSliderGrp
colorInputWidgetGrp
colorSliderButtonGrp
colorSliderGrp
commandLine
componentBox
control
falloffCurve
falloffCurveAttr
floatField
floatFieldGrp
floatScrollBar
floatSlider
floatSlider2
floatSliderButtonGrp
floatSliderGrp
gradientControl
gradientControlNoAttr
helpLine
hudButton
hudSlider
hudSliderButton
iconTextButton
iconTextCheckBox
iconTextRadioButton
iconTextRadioCollection
iconTextScrollList
iconTextStaticLabel
image
intField
intFieldGrp
intScrollBar
intSlider
intSliderGrp
layerButton
messageLine
nameField
nodeTreeLister
palettePort
picture
progressBar
radioButton
radioButtonGrp
radioCollection
rangeControl
scriptTable
scrollField
separator
shelfButton
soundControl
soundPopup
swatchDisplayPort
switchTable
symbolButton
symbolCheckBox
text
textField
textFieldButtonGrp
textFieldGrp
textScrollList
timeControl
timeField
timeFieldGrp
timePort
toolButton
toolCollection
treeLister
treeView

Layouts

Organizing UI Components
columnLayout
dockControl
flowLayout
formLayout
frameLayout
gridLayout
layout
menuBarLayout
paneLayout
rowColumnLayout
rowLayout
scrollLayout
shelfLayout
shelfTabLayout
tabLayout
toolBar
workspaceControl
workspaceLayoutManager

Menus

artBuildPaintMenu
attrEnumOptionMenu
attrEnumOptionMenuGrp
attributeMenu
findMenuItem 
hotBox
menu
menuEditor
menuItem
menuItemToShelf 
menuSet
menuSetPref
optionMenu
optionMenuGrp
popupMenu
radioMenuItemCollection
saveMenu

Misc. UI

Miscellaneous UI
addCustomPrefsTab 
addNewShelfTab 
addPanelCategory 
annotate
autoPlace
buttonManip
callbacks
CBG 
createNewShelf 
deleteShelfTab 
destroyLayout 
disableIncorrectNameWarning
grabColor
headsUpDisplay
headsUpMessage
hotkey
hotkeyCheck
hotkeyCtx
hotkeySet
inViewMessage
isValidUiName 
linearPrecision
listPanelCategories 
loadNewShelf 
loadPrefObjects
loadUI
mayaDpiSetting
multiTouch
nameCommand
overrideModifier
removePanelCategory 
runTimeCommand
saveAllShelves
savePrefObjects
savePrefs
saveShelf
scmh
scriptToShelf 
setMenuMode
setNodeTypeFlag
setStartupMessage
textManip
textToShelf 
thumbnailCaptureComponent
validateShelfName