Onunload (Movieclip.onunload Handler); Opaquebackground (Movieclip.opaquebackground Property) - MACROMEDIA FLASH 8-ACTIONSCRIPT 2.0 LANGUAGE Reference

Example
The following example displays information about the movie clip that receives keyboard
focus, and the instance that previously had focus. Two movie clips, called
are on the Stage. Add the following ActionScript to your AS or FLA document:
other_mc
my_mc.onRelease = Void;
other_mc.onRelease = Void;
my_mc.onSetFocus = function(oldFocus) {
trace("onSetFocus called, previous focus was: "+oldFocus);
}
Tab between the two instances, and information displays in the Output panel.
See also
onKillFocus (MovieClip.onKillFocus handler)

onUnload (MovieClip.onUnload handler)

onUnload = function() {}
Invoked in the first frame after the movie clip is removed from the Timeline. Flash processes
the actions associated with the
affected frame. You must define a function that executes when the event handler is invoked.
You can define the function on the Timeline or in a class file that extends the MovieClip class
or is linked to a symbol in the library.
Availability: ActionScript 1.0; Flash Player 6
Example
The following example defines a function for the
a action to the Output panel:
trace()
my_mc.onUnload = function () {
trace ("onUnload called");
}
opaqueBackground (MovieClip.opaqueBackground
property)
public opaqueBackground : Number
The color of the movie clip's opaque (not transparent) background of the color specified by
the number (an RGB hexadecimal value). If the value is
opaque background. For movie clips in which the
setting
opaqueBackground
event handler before attaching any actions to the
onUnload
can improve rendering performance.
MovieClip.onUnload()
or
null undefined
property is set to
cacheAsBitmap
and
my_mc
method that sends
, there is no
,
true
MovieClip 911