Expands all the groups in a TreeView DataWindow that have the specified TreeView level.
DataWindow type |
Method applies to |
|---|---|
PowerBuilder |
DataWindow control |
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 |
Returns 1 if the ExpandLevel operation succeeds and one of the following negative values if it fails:
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.
The following example expands all the groups at TreeView level 2:
integer li_ret li_ret = dw_treeview.ExpandLevel(2)
