how to get an icons in a dropdownlist

In a dropdown how to get icons along with text and once we select any of the index from the dropdown i want that icon also be sel开发者_JS百科ected and to be displayed on that dropdown header

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This article on Peter deHaan's well-known "Flex Examples" website should be a good starting point: Displaying icons in a Flex ComboBox control.

If you read the comments, you will find the page "Flex 2.0.1 ComboBox with icon support", which gives a solution for your question.