comboBox remove item when box is opened

[rcharamella]

Hi all,

I've got a MX UI comboBox with 6 items in it. The first item is "Click here..." (the designer wanted it that way). So, when the box opens, I need to remove that item. I've tried the removeItemAt and it does work, but I need to activate it only when the box opens. Lot's of searching hasn't turned up the answer.

thanks in advance for your help