Using build 15.11.12.12 on Win7.  I'd like to use the NTreeList BestFit or BestFitAllColumns method to change my column widths based on the data in the NTreeList.  However, for a few columns I don't want their width to be greater than 200.  I'm calling:

myTree.BestFitAllColumns();
if (myTree.Columns["largetextcol"].Width > 200)
    myTree.Columns["largetextcol"].Width = 200;

The setting of 200 doesn't work.  The BestFitAllColumns width is used instead.  If I change it like this:


This works.  Unless my NTreeList is not visible.  In my case my NTreeList may be on a tab of a NTabControl that is not visible.  I've tried some other methods on the NTreeList widget but nothing seems to help.  How can I get the BestFitAllColumns algorithm to run such that I can then set my max column widths?