AS3 Combobox change dropdown position

I'm trying to change the position of the dropdown list relative 开发者_如何学运维to the combobox item. Setting the position using comboBox.dropdown.x = 1337; doesn't work...

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Is this Flex 3 or Flex 4?

You can't just change stuff inside a component like that. You either need to subclass the ComboBox (Flex 3), or write a new skin (Flex 4).