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This causes the material shown in Figure 2 to be displayed in the system console window each time the Flash Player gains and then loses the operatingsystem focus.

Listing 3 also signals the end of the class and the end of the program named ActivateEvent01 .

The program named Effects03

This is a much more substantial program, which is based on a program in the Flex documentation . That program is written mostly in Flex MXML and contains the minimum amount of ActionScript code necessary to provide thedesired behavior.

Online versions of the two programs

An online executable version of the program is available following the source code listing at the above site . I encourage you to run it and observe its behavior.

This version of the program is written almost entirely in ActionScript and contains only enough Flex MXML to make it possible to launchthe program from within an HTML document. I also encourage you to run this version and observe its behavior.

Project file structure for Effects03

The project file structure for the program is shown in Figure 3, which shows a snapshot of the Flex Builder 3 Navigator panel.

Project file structure for effects03.

Missing image
Project file structure for Effects03.

Screen display at startup

The screen display at startup is shown in Figure 4.

Screen display at startup.

Missing image
Screen display at startup.

A creationComplete event

By the time that the snapshot shown in Figure 4 was taken, the application had already dispatched a creationComplete event and the event handler registered to listen for that event had caused the text "Creation Complete!" tobe displayed in a TextArea object near the top of the browser window.

What is a creationComplete event?

According to the documentation , this event is dispatched "when the component has finished its construction, property processing, measuring, layout, and drawing." Therefore, other than the fact that the user starts the program running, thedispatching of this event type is completely beyond the control of the user.

Behavior of the program

This program uses a Resize object from the mx.effects package to cause the size of the image of the penguin shown in Figure 4 to be reduced to one-fourth of its original size over a period of 10seconds when the user clicks the Start button shown at the bottom of Figure 4.

The behavior of the effect resulting from clicks on the other buttons at the bottom of Figure 4 generally matches the labels on the buttons.

Screen display after clicking Start and Pause

Figure 5 shows the screen display after clicking the Start button, allowing the effect to run for a few seconds, and then clicking the Pause button.

Screen display after clicking start and pause.

Missing image
Screen display after clicking Start and Pause.

Servicing an effectStart event

As you will see later, clicking the Start button causes a method named play to be called on an object of the Resize class.

The Resize object dispatches an effectStart event whenever it starts playing an effect. An event handler, registered on the Resize object, causes the text "Effect Started!" to be displayed in the text area near the top of Figure 5.

Questions & Answers

Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
what school?
biomolecules are e building blocks of every organics and inorganic materials.
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
sciencedirect big data base
Introduction about quantum dots in nanotechnology
Praveena Reply
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
Damian Reply
absolutely yes
how to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
characteristics of micro business
for teaching engĺish at school how nano technology help us
Do somebody tell me a best nano engineering book for beginners?
s. Reply
there is no specific books for beginners but there is book called principle of nanotechnology
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
what is the actual application of fullerenes nowadays?
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
is Bucky paper clear?
carbon nanotubes has various application in fuel cells membrane, current research on cancer drug,and in electronics MEMS and NEMS etc
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Do you know which machine is used to that process?
how to fabricate graphene ink ?
for screen printed electrodes ?
What is lattice structure?
s. Reply
of graphene you mean?
or in general
in general
Graphene has a hexagonal structure
On having this app for quite a bit time, Haven't realised there's a chat room in it.
what is biological synthesis of nanoparticles
Sanket Reply
Got questions? Join the online conversation and get instant answers!
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Source:  OpenStax, Object-oriented programming (oop) with actionscript. OpenStax CNX. Jun 04, 2010 Download for free at http://cnx.org/content/col11202/1.19
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