how can i passing value to combobox in flex?

i have combobox in one screen(namely 1) and i need to pass the selected value of the combobox to the anoth开发者_StackOverflow中文版er combobox which is in the another screen(namely 2) and the passed value should be selected by default.

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In simple terms (if both comboboxes have plain strings or same set of objects in their data providers):

combobox2.selectedItem = combobox1.selectedItem;

If that is not the case, you will have to get a mapping from items of first combobox to the second one.