Did anyone try to make invisible the combobox items from the list

[tomaszer]

Hi,


I'm trying to hide (make invisible) some elements from the combobox depending of the choice result of the another combobox.

The problem is when the clones appears on the list. The replicated items stay visible. I don't know how to hide them. Any help very welcome.

I've attached the code.

Thanks,

Tomasz Szer

[tomaszer]

Sorry, this is the code with the problem.