Description
Expands all the groups in a TreeView DataWindow that have the specified TreeView level.
Applies to
Syntax
PowerBuilder
Integer dw_control.ExpandLevel (long groupLevel)
|
Argument |
Description |
|---|---|
|
dw_control |
A reference to a TreeView-style DataWindow control |
|
groupLevel |
The TreeView level of the group to be expanded |
Return value
Returns 1 if the ExpandLevel 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 ExpandLevel method to expand all the groups in a TreeView DataWindow that have a particular TreeView level.
The ExpandLevel method triggers the Expanding and Expanded events with a row argument of -1.
Examples
The following example expands all the groups at TreeView level 2:
integer li_ret li_ret = dw_treeview.ExpandLevel(2)
See also
