Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 07/07/2017 at 1:54 pm #46859 ShakeyMember Hi everyone I am new in Visual Not Studi development , and I really appreciate the videos demos to get into it. All seems working quite well like in the demos, except I got an error RUN TIME ERROR: File library Unit 1 : Event adapter not defined for “onChange” property (TVT change event) when evaluating instruction CallClassProc. Afterwhat I can’t stop properly the process , so I have to kil the task from Windows management level. Could you please let me know what I am doing wrong ? Thanks Bernie Attachments: 27/07/2017 at 8:10 am #47562 i.martinezKeymaster Can you try to upgrade to the latest version? It will do it automatically when running application If the issue go on let me know All the best ilde Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic.