Description
Occurs while a TreeView item is expanding.
Event ID
Arguments
Return Values
Long.
Return code choices (specify in a RETURN statement):
0 -- Continue processing
1 -- Prevents the TreeView from expanding
Usage
The ItemExpanding event occurs before the ItemExpanded event.
Examples
This example sets the picture and selected picture for the expanding item:
TreeViewItem l_tvi integer li_level This.GetItem(handle, l_tvi) CHOOSE CASE l_tvi.Level CASE 1 l_tvi.PictureIndex = 5 l_tvi.SelectedPictureIndex = 1 CASE 2 l_tvi.PictureIndex = 5 l_tvi.SelectedPictureIndex = 2 CASE 3 l_tvi.PictureIndex = 5 l_tvi.SelectedPictureIndex = 3 CASE 4 l_tvi.PictureIndex = 4 l_tvi.SelectedPictureIndex = 5 END CHOOSE This.SetItem(handle, l_tvi)
See also
