VtDrawnListDeleteItem(VTCL)

VtDrawnListDeleteItem -- delete an item from a DrawnList

Synopsis

VtDrawnListDeleteItem drawnlist_widgetName [options]

Description

Deletes an item from a DrawnList. It is an error if the position or the field options do not match something in the list. Only one of the options listed may be used at one time.

Options

-all (NA)

Specify the entire list.

-field column matchStr (NA)

Delete the item whose field column matches the string matchStr. For example, if your list contains:

{0 1 "String one"}
{0 1 "String two"} 
{0 1 "String three"}

specifying -field 2 "String one" would match item 1.

-position integer (NA)

Specify a list item by position. (The base position is 1. To indicate the last item on the list, use 0.)

-positionList integer_list (NA)

Specify a list of items to delete by position.

Return values

If VtDrawnListDeleteItem fails, it returns one of the following error messages:

INVALID_POSITION: the position value is outside the list range
NO_FIELD: couldn't find the referenced field
NO_OPTION: no options were specified
NOT_DRAWNLIST: referenced widget is not a DrawnList
OPTION_COUNT: too many or too few options specified
RECORD_COUNT: number of records specifed exceeds number of available records