# CS4 ComboBox dropdown alpha

**URL:** <https://forum.kirupa.com/t/cs4-combobox-dropdown-alpha/291325>\
**Category:** flash\
**Created:** [June 28, 2009, 9:32am UTC](https://forum.kirupa.com/t/cs4-combobox-dropdown-alpha/291325 "2009-06-28T09:32:23Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![cellarium](https://avatars.discourse-cdn.com/v4/letter/c/d2c977/32.png) [@cellarium](https://forum.kirupa.com/u/cellarium)\
**Post date:** [June 28, 2009, 9:32am UTC](https://forum.kirupa.com/t/cs4-combobox-dropdown-alpha/291325/1 "2009-06-28T09:32:23Z")

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Hi, folks, is there any working solution to make dropdown semi-transparent in Flash CS4?

tablebox.dropdown.setStyle(“backgroundAlpha”, 0.33);

doesn’t work and return no errors.