IDCS5 Win:More PanellTreeView problems...

Hello Fellow Coders:
   The PanelTreeView widget is probably one of the most complex widgets in the SDK.   It has a lot of opportunities to trip up the unwary programmer.
   For example, I have a plugin that uses several simple PanelTreeViews (PTV) as listboxes.  When the dialog is created the PTV uses the HierarchyAdapater to create the node list. If the data changes during the life of the plugin, it is my responsibility to change the node list; the hierarchy adapter is not called.  However, if I dismiss the plugin, delete the data, and then call the plugin back, the PTV is not recreated; the HierarchyAdapter is not recalled to rebuild the node list.  The PTV uses the node list from the last instance of the plugin being called.
   This is of course, a problem.  It means that either I am going to have to empty the PTV before leaving the plugin, or I am going to have to include code to empty and then recreate the node list if the plugin is recalled.
   Is there a more elegant solution?
R,
John

Dirk:
   I apologize for not being clearer on what my troubles are.  I have no problem initializing the PanelTreeView the first time through.  What happens is that if I call up the dialog, then dismiss the dialog, then leave the plugin then come back into the plugin and recall the dialog, the data from the previous run still populates the listbox, despite the fact that the data has changed.  I even call ChangeRoot() but it does little.  Putting a breakpoint in the HierarchyAdapter confirms that the list is not refreshed through it.
   I finally wrote code that simply deletes all records in the list box, adds the new records and then calls ChangeRoot().  That seems to work.  If there is no other more elegant way, then so be it.
   Thanks nevertheless for your input.  Take care.
John

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