New nodes are loaded dynamically. ContextMenu is working.
firstTree
Item 1
Item 1.1
Item 1.2
Item 1.2.1
Item 1.2.2
Can't add child to this node
Empty folder
Item 1.3.2
Item 1.4
Item 1.4.1
Can't move this node
secondTree
Node 1
Node 2
Node 2.1
Node 2.2
Create
Create
Remove
Remove
Up
Up
Down
Down
Item 1Item 1.1Item 1.2Item 1.2.1Item 1.2.2Can't add child to this nodeEmpty folderItem 1.3.2Item 1.4Item 1.4.1Can't move this nodeItem 1Node 1Node 2