ItemCollapsing event
Description
Occurs when a TreeView item is collapsing.
Event ID
|
Event ID |
Objects |
|---|---|
|
pbm_tvnitemcollapsing |
TreeView |
Parameters
|
Argument |
Description |
|---|---|
|
handle |
Long by reference |
Return Values
Long. Return code choices (specify in
a RETURN statement):
-
0 Continue
processing
Usage
The ItemCollapsing event occurs before the ItemCollapsed event.
Examples
This example changes the picture for the collapsing
item:
|
1 |
TreeViewItem l_tvi |
|
1 |
integer li_level |
|
1 |
|
1 |
This.GetItem(handle, l_vti) |
|
1 |
|
1 |
CHOOSE CASE l_tvi.level |
|
1 |
   CASE 1 |
|
1 |
      l_tvi.PictureIndex = 1 |
|
1 |
      l_tvi.SelectedPictureIndex = 1 |
|
1 |
   CASE 2 |
|
1 |
      l_tvi.PictureIndex = 2 |
|
1 |
      l_tvi.SelectedPictureIndex = 2 |
|
1 |
   CASE 3 |
|
1 |
      l_tvi.PictureIndex = 3 |
|
1 |
      l_tvi.SelectedPictureIndex = 3 |
|
1 |
   CASE 4 |
|
1 |
      l_tvi.PictureIndex = 4 |
|
1 |
      l_tvi.SelectedPictureIndex = 4 |
|
1 |
END CHOOSE |
|
1 |
|
1 |
This.SetItem(handle, l_tvi) |
See Also
Document get from Powerbuilder help
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