May I know that previous GanttChart will be removed ?
It has ability to manually create chart from table data and I'm using it.
I've tried to open model in 14.1 and cannot create GanttChart already.
I think it was completely changed inside.
Is there a way to have it (old version) please.
You can fill your own data from a table into the new GanttChart with the setData method. The format of the table is somewhat different from the old format, it's documented in the help entry.
There's a limitation though; the GanttChart is intented to display data from the simulation. Therefore, all the resources and classes of the parts (though not the individual part instances) need to exists in the simulation. If you're trying to display data unrelated to the simulation, I'm afraid you'll have to first create some 'dummy' resources.
I recommend to set the CollectData attribute to false before you set your data, otherwise the simulation will override it.
Please refer to the documentation of the setData method and check if it works for you.
If you have more questions, please ask.