[flexcoders] How to close dorp-down list in ComboBox components

[flexawesome]

Hi there,

I saw method of Close(trigger:Event=null):void in livedoc, but I don;t
know how to use it, does anyone can help? 

what should I put into () ?

ComboBox.close() ?



http://livedocs.adobe.com/flex/201/langref/mx/controls/ComboBox.html#close()



Thanks