Expand
method (DataWindows)
Description
Expands a group in a TreeView DataWindow that has the specified
TreeView level and includes the specified row.
Applies to
|
DataWindow type |
Method applies to |
|---|---|
|
PowerBuilder |
DataWindow control |
Syntax
PowerBuilder
|
1 |
Integer dw_control.Expand(long row, long groupLevel) |
|
Argument |
Description |
|---|---|
|
dw_control |
A reference to a TreeView-style DataWindow |
|
row |
The number of the row that belongs to the TreeView |
|
groupLevel |
The TreeView level of the group to be |
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 Expand method to expand a
group in a TreeView DataWindow that includes a particular row in a
particular TreeView level.
The Expand method triggers the Expanding and Expanded events.
Examples
The following example expands the group at TreeView level 2 that
includes row 3:
|
1 2 |
integer li_ret li_ret = dw_treeview.Expand(3,2) |
See also