Namespace: OpenEdge.Core.Collections
Class
ListIterator
Parent classes:
Progress.Lang.Object
OpenEdge.Core.Collections.ListIterator

Inherits: Progress.Lang.Object
Implements: OpenEdge.Core.Collections.IListIterator

Copyright (c) 2013, 2021 by Progress Software Corporation. All rights reserved.
File:ListIterator
Author(s):hdaniels
Created:Wed Jan 02 23:38:28 EST 2008




Method Summary
Options Name Purpose
LOGICAL HasNext () /** Indicates whether there's another element @return Logical Trues if the iterator has another element */
LOGICAL HasPrevious () /** Indicates whether there's a previous element. @return logical True if there is a previous element */
Progress.Lang.Object Next () /** Returns the next object in the iterator. Next being the next object at the iterator's current position. @return Object The object at the 'next' position. */
INTEGER NextIndex () /** Returns the next elements' index. @return integer The index of the next element */
Progress.Lang.Object Previous () /** Returns the previous element @return Object */
INTEGER PreviousIndex () /** Returns the index of the previous item. @return integer The index of the previous element */
LOGICAL Remove () /** Removes an entry from the iterator. @return logical True if the operation succeeeded. */

Constructor Summary
Options Name Purpose
ListIterator (INPUT) /* Constructor @param Progress.Collections.IList<Object> The list being iterated over */
ListIterator (INPUT, integer) /* Constructor @param Progress.Collections.IList<Object> The list being iterated over @param integer The starting index */


Method Detail
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LOGICAL HasNext ()
Purpose: Indicates whether there's another element
Returns LOGICAL
Logical Trues if the iterator has another element
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LOGICAL HasPrevious ()
Purpose: Indicates whether there's a previous element.
Returns LOGICAL
logical True if there is a previous element
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Progress.Lang.Object Next ()
Purpose: Returns the next object in the iterator. Next being the next object
at the iterator's current position.
Returns Progress.Lang.Object
Object The object at the 'next' position.
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INTEGER NextIndex ()
Purpose: Returns the next elements' index.
Returns INTEGER
integer The index of the next element
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Progress.Lang.Object Previous ()
Purpose: Returns the previous element
Returns Progress.Lang.Object
Object
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INTEGER PreviousIndex ()
Purpose: Returns the index of the previous item.
Returns INTEGER
integer The index of the previous element
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LOGICAL Remove ()
Purpose: Removes an entry from the iterator.
Returns LOGICAL
logical True if the operation succeeeded.


Constructor Detail
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ListIterator (INPUT)
/* Constructor
Parameters:
pList UNKNOWN DATATYPE
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ListIterator (INPUT, integer)
/* Constructor
Parameters:
pList UNKNOWN DATATYPE
pIdx INTEGER


Copyright © 2022 Progress Software Corporation. All rights Reserved.

Progress® OpenEdge® Release 12.5.0