MACROMEDIA FLEX-FLEX ACTIONSCRIPT LANGUAGE Reference page 558

Actionscript language reference
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Event handler
MovieClip.onLoad
MovieClip.onMouseDown
MovieClip.onMouseMove
MovieClip.onMouseUp
MovieClip.onPress
MovieClip.onRelease
MovieClip.onReleaseOutside
MovieClip.onRollOut
MovieClip.onRollOver
MovieClip.onSetFocus
MovieClip.onUnload
MovieClip._alpha
Availability
Flash Player 4.
Usage
my_mc._alpha:Number
Description
Property; the alpha transparency value of the movie clip specified by
(fully transparent) to 100 (fully opaque). The default value is 100. Objects in a movie clip with
set to 0 are active, even though they are invisible. For example, you can still click a button
_alpha
in a movie clip whose
the movie clip's
You can extend the methods and event handlers of the MovieClip class by creating a subclass.
Example
The following code sets the
to 50% when the mouse rolls over the movie clip. Add the following ActionScript to
holder_mc
your FLA or AS file:
this.createEmptyMovieClip("holder_mc", this.getNextHighestDepth());
holder_mc.createEmptyMovieClip("image_mc", holder_mc.getNextHighestDepth());
558
Chapter 7: ActionScript for Flash
Description
Invoked when the movie clip is instantiated and appears in
the Timeline.
Invoked when the left mouse button is pressed.
Invoked every time the mouse is moved.
Invoked when the left mouse button is released.
Invoked when the mouse is pressed while the pointer is over
a movie clip.
Invoked when the mouse is released while the pointer is over
a movie clip.
Invoked when the mouse is clicked over a movie clip and
released while the pointer is outside the movie clip's area.
Invoked when the pointer rolls outside of a movie clip area.
Invoked when the mouse pointer rolls over a movie clip.
Invoked when a movie clip has input focus and a key is
released.
Invoked in the first frame after the movie clip is removed from
the Timeline. The actions associated with the Unload movie
clip event are processed before any actions are attached to
the affected frame.
property is set to 0. To disable the button completely, you can set
_alpha
property to false.
_visible
property of a dynamically created movie clip named
_alpha
. Valid values are 0
my_mc

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