ExpandAllChildren

Description

Expands a group in a TreeView DataWindow that has the specified TreeView level and includes the specified row; also expands all the group's children.

Applies to

DataWindow type

Method applies to

PowerBuilder

DataWindow control


Syntax

PowerBuilder

Integer dw_control.ExpandAllChildren(long row, long groupLevel)

Argument

Description

dw_control

A reference to a TreeView-style DataWindow control

row

The number of the row that belongs to the group to be expanded

groupLevel

The TreeView level of the group to be expanded


Return value

Returns 1 if the expand operation succeeds and one of the following negative values if it fails:

-1 -- DataWindow is null

-5 -- One or more of the parameters are invalid

-16 -- DataWindow is not a TreeView DataWindow

Usage

A TreeView DataWindow has several TreeView level bands (groups) that can be expanded and collapsed. You can use the ExpandAllChildren method to expand a group with a specified TreeView level in a TreeView DataWindow and all of its children.

The ExpandAllChildren method triggers the Expanding and Expanded events.

Examples

The following example expands the group in a TreeView DataWindow that has TreeView level 2 and includes row 3; it also expands all the group's children:

integer li_ret
li_ret = dw_treeview.ExpandAllChildren(3,2)

See also

CollapseAllChildren

Expand

ExpandAll

ExpandLevel

IsExpanded