How to enable programmatic tree path selection in JTreeTable?

Post about usage of JTreeTable provided by Philip Milne.
A problem I met is that one can not set a tree path selected programmatically. It seems that the installing of ListToTreeSelectionModelWrapper disables this action or the selection is done at first but later it is unselected again. It is very hard for me to understand the source code of JTreeTable and it is impossible for me to alter the ListToTreeSelectionModelWrapper to meet my need. Perhaps someone else there has also confronted such problem before. You would be very nice to inform me some tips.
Thanks!

Hi,
You can enable the self-site creation using PowerShell by using the following command.
$webApplication = Get-SPWebApplication <<http://WebApplication>>
$webApplication.SelfServiceSiteCreationEnabled =$True
$webApplication.Update()
Please mark it answered, if your problem resolved.

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alter table APP_MENU
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