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Figure 5 shows the result of allowing the mouse pointer to hover over the leftmost button.

Mouse pointer hovering over the leftmost button.

Missing image
Mouse pointer hovering over the leftmost button.

Hovering over the button with the mouse pointer causes the button to switch to the overSkin style exposing the top image in the second column in Figure 1.

Note that the rightmost button has been toggled from frog skins to butterfly skins in Figure 5.

Mouse pointer pressed on the leftmost button

Figure 6 shows the result of pointing to the leftmost button and pressing the left mouse button.

Mouse pointer pressed on the leftmost button.

Missing image
Mouse pointer pressed on the leftmost button.

This causes the button to switch to the downSkin style exposing the top image in the third column in Figure 1.

Discussion and sample code

Skins01 project file structure

Figure 7 shows the project file structure for the Flex project named Skins01.

Skins01 project file structure.

Missing image
Skins01 project file structure.

The image in Figure 7 was captured from the Flex Navigator panel in the Flex Builder 3 IDE.

Eight images

The eight images shown in Figure 1 are listed in the Images folder in Figure 7.

Three custom button classes

The three custom button classes and the driver class illustrated by Figure 2 through Figure 6 are listed in the CustomClasses folder in Figure 7.

The MXML application file

And of course, the Flex MXML file is shown as Skins01.mxml in Figure 7.

Custom button classes are very similar

The three custom button classes are very similar. The class named FancyButton is the most complex of the three. Therefore, I will explain the class named FancyButton in detail but I won't explain the other two custom button classes.

In addition, I will explain the MXML file named Skins01.mxml and the class file named Driver.as .

Will explain in fragments

I will explain the code in fragments. Complete listings of all of the source code files are provided in Listing 8 through Listing 12 near the end ofthe lesson.

The file named Skins01.mxml

A complete listing of this file is shown in Listing 1. In addition, a complete listing is also provided in Listing 8 near the end of the lesson alongwith the code for all of the other files in this application.

Complete listing for skins01.mxml.

<?xml version="1.0" encoding="utf-8"?><mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"xmlns:cc="CustomClasses.*"><cc:Driver/></mx:Application>

The code in Listing 1 couldn't be simpler. It declares a namespace for the folder containing the four class files in Figure 7 and instantiates anobject of the class named Driver . In this case, the Flex application is simply serving as a launch pad for the ActionScript program.

The file named Driver.as

The class named Driver begins in Listing 2. A complete listing of this class file is provided in Listing 9 near the end of the lesson.

Beginning of the class named driver.

package CustomClasses{ import flash.events.*;import mx.containers.HBox;public class Driver extends HBox{private var bFlyButton:ButterflyButton = new ButterflyButton();private var frogButton:FrogButton = new FrogButton(); private var fancyButton:FancyButton =new FancyButton();

Questions & Answers

Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
Application of nanotechnology in medicine
what is variations in raman spectra for nanomaterials
Jyoti Reply
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
Damian
yes that's correct
Professor
I think
Professor
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
How we are making nano material?
LITNING Reply
what is a peer
LITNING Reply
What is meant by 'nano scale'?
LITNING Reply
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
how nano science is used for hydrophobicity
Santosh
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
Rafiq
what is differents between GO and RGO?
Mahi
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
Rafiq
if virus is killing to make ARTIFICIAL DNA OF GRAPHENE FOR KILLED THE VIRUS .THIS IS OUR ASSUMPTION
Anam
analytical skills graphene is prepared to kill any type viruses .
Anam
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
Hafiz
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
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
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
Adin
why?
Adin
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
research.net
kanaga
sciencedirect big data base
Ernesto
Introduction about quantum dots in nanotechnology
Praveena Reply
hi
Loga
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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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