From the daily archives:

Wednesday, August 20, 2008

Determining if an item is listening for a specific event

by Peter deHaan on August 20, 2008

in ActionScript

The following example shows how you can check whether a Flex Button control is listening for a specific event (FlexEvent.BUTTON_DOWN) by using the hasEventListener() and willTrigger() methods.

According to the Flex 3 documentation for the EventDispatcher class’s hasEventListener() method (link):

The difference between hasEventListener() and willTrigger() is that hasEventListener() examines only the object to which it belongs, whereas willTrigger() examines the entire event flow for the event specified by the type parameter.

Full code after the jump.

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Changing the default skins on a Button control in Flex

by Peter deHaan on August 20, 2008

in Button

The following example shows how you can modify the default skins for the Flex Button control by setting the skin, upSkin, overSkin, downSkin, and disabledSkin styles.

Full code after the jump.

[click to continue…]

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