Selection lost when scrolling

[naikel]

Hi. I'm trying your VirtualTreeView to see if I get around to the extremely bad performance and unpredictable behavior of the stock TreeView virtualized.

So I executed your demo and noticed two things:

1.- When selecting any node under 1.4 (like 1.4.1) in the VirtualTreeView Direct content (top right) it always crashes with a ParentTreeView = null error.

2.- When you select a node in the Data Bound (bottom right) section and you scroll and then go back to where the node is, the selection is lost.

My main problem with TreeView is that it's extremely difficult to do stupid things like "show this node even if it hasn't been realized yet" when somebody searches for an specific node that hasn't been loaded yet. I wonder if your solution addresses this problem, but I'm afraid you didn't implement anything like a BringIntoView() function.

[picrap]

1. This is a bug, indeed.
2. I should check the code, but to be preserved, the selection has to be bound to the item, otherwise it gets lost.
   And right, the BringIntoView() is not implemented at all.

I'll take a look at points 1 & 2.