[Lazarus] VirtualTreeView: Expand/Collapse without OnNodeClick

[Jürgen Hestermann]

Am 2016-09-06 um 17:22 schrieb Balázs Székely:
 >>> Still I am wondering why such a workaround is needed at all.
 >>> The NodeClick-event should not be fired when nodes are just
 > expanded/collapsed.
 > Did you try the OnFocusChanged event instead of OnNodeClick? You can replace
 > the OnNodeClick functionality in most cases(depends on the specific code
 > though).

Well, yet another workaround.

I think this will not work because when
someone clicks twice on the same node then
OnFocusChanged would not be called (I think)
as the focused node does not change.