undisplay() (in VkGraph)

undo stack

clearing

examining

undo support

adding "Undo" selection to menu

command class objects

example

menu items [2] [3]

multi-level

non-menu item actions

overview

setting label, "Undo" selection

undo stack

clearing

examining

undo() (in VkMenuAction)

user interface

VkAction class

VkMenuActionObject class

undo() (in VkMenuAction)

undoit() (in VkAction)

undoit() (in VkMenuActionObject)

uniformTabs() (in VkTabPanel)

unpost() (in VkDialogManager)

unpostAll() (in VkDialogManager)

unposting dialogs

unrecoverable errors

unregister() (in VkMsgClient)

unregistering functions, ViewKit callbacks

update() (in VkDoubleBuffer)

update() (in VkMeter)

updatePatterns() (in VkMsgClient) [2]