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Recentlt , I try to built a "tree" , with a check button in front of every tree node . I have done that using the attribute (Tree_user.ListType 2) .
But ,I can not find how to manipulate the check button .
I have connnet the PTC technical support, and I did not get a satisfied anwsers. So , who can tell me how ,or just get me some adivse.
How to manipulate the check button in programe.