application.isUndoStackAtSavePoint

Determines whether an undo action can be performed or if the stack is at the last savepoint.

Prototype

bYes = application.isUndoStackAtSavePoint ( hUndoStack )

Description

You cannot undo further than the last savepoint.

Parameters

hUndoStack - undo stack handle

Return values

bYes - true if at savepoint

Sample

local hCurrentUndoStack = application.getUndoStackFromTarget ( hResource )
if ( hCurrentUndoStack ) then
    gui.setMenuItemStateAt ( hMainMenuFile, gui.getObjectUID ( gui.getComponentFromView ( hView, "mainMenu.file.save" ) ), gui.kMenuItemDisabled, bForceDisabled
    or
    application.isUndoStackAtSavePoint ( hCurrentUndoStack ) )
end

Available since ShiVa 2.0