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I am having a problem with the IGUIComboBox objects. I can get them to work correctly, however, when I click on the down arrow to select an item from the list I noticed that the items to select from contain a background that is gray and transparent. My question is: Is it possible to change this background to be a solid color, or to ultimately, eliminate its transparency? I tried looking through the IGUIEnvironment and IGUIElement header files to come up with a solution and I still have had no luck with this. Can anyone give me a few suggestions that might point me in the right direction?