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Learn how to write inline event handler code to handle slider change events.
Click SliderChangeEvent01 , SliderChangeEvent02 , and SliderChangeEvent03 to run the Flex programs from this lesson. (Click the "Back" button in your browser to return to this page.)

Table of contents

Preface

General

This lesson is part of a series of tutorial lessons dedicated to programming with Adobe Flex. The material in this lesson applies to both Flex 3 and Flex 4.

Viewing tip

I recommend that you open another copy of this document in a separate browser window and use the following links to easily find and view the figures andlistings while you are reading about them.

Figures

  • Figure 1 . Browser image at startup for the Flex 3 project.
  • Figure 2 . A toolTip on the slider.
  • Figure 3 . Changing the height of the image.
  • Figure 4 . Flex Builder 3 Components tab exposed.
  • Figure 5 . Drag controls onto the Flex Builder 3 Design tab.
  • Figure 6 . The Flex Builder 3 Properties tab exposed.
  • Figure 7 . Browser image at startup for the hybrid project.
  • Figure 8 . Flex Builder 4 Components tab exposed.
  • Figure 9 . Drag controls onto the Flash Builder 4 Design tab.

Listings

  • Listing 1 . XML code before setting properties forSliderChangeEvent01.
  • Listing 2 . Beginning of XML code for SliderChangeEvent01.
  • Listing 3 . Create and condition the slider.
  • Listing 4 . Import an image.
  • Listing 5 . Mxml code for the layout shown in Figure 9.
  • Listing 6 . Complete listing of SliderChangeEvent01.
  • Listing 7 . Complete listing of SliderChangeEvent02.
  • Listing 8 . Complete listing of SliderChangeEvent03.

Supplemental material

I also recommend that you study the other lessons in my extensive collection of online programming tutorials. You will find a consolidated index at www.DickBaldwin.com .

General background information

If you learn how to program using ActionScript 3, you will probably integrate large amounts of ActionScript code into your Flex projects to provide complexevent handling. In the meantime, it is possible to provide simple event handlers in Flex by embedding a very small amount of ActionScript code in your Flex code.I will illustrate and explain that capability in this lesson.

Preview

I encourage you to run the online version of the programs from this lesson before continuing.

Three Flex projects

I will present and explain three Flex projects in this lesson. The first project is named SliderChangeEvent01 . This project was first developed using Flex Builder 3 and later developed using the Flex 3 compiler and Flash Builder 4.The results were essentially the same in both cases. This project uses classes from the Flex 3 (mx) library exclusively. (The screen shots shown in Figure 4, Figure 5, and Figure 6 are from Flex Builder 3.)

Questions & Answers

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Need to simplify the expresin. 3/7 (x+y)-1/7 (x-1)=
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. After 3 months on a diet, Lisa had lost 12% of her original weight. She lost 21 pounds. What was Lisa's original weight?
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Cied
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I start with an easy one. carbon nanotubes woven into a long filament like a string
Porter
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Porter
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Yasmin
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Cesar
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Uday
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what is system testing?
AMJAD
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
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AMJAD
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AMJAD
what is the application of nanotechnology?
Stotaw
In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
Azam
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Prasenjit
after 100 year this will be not nanotechnology maybe this technology name will be change . maybe aftet 100 year . we work on electron lable practically about its properties and behaviour by the different instruments
Azam
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
Prasenjit
how hard could it be to apply nanotechnology against viral infections such HIV or Ebola?
Damian
silver nanoparticles could handle the job?
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Azam
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Uday
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this technology will not going on for the long time , so I'm thinking about femtotechnology 10^-15
Prasenjit
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Prasenjit Reply
At high concentrations (>0.01 M), the relation between absorptivity coefficient and absorbance is no longer linear. This is due to the electrostatic interactions between the quantum dots in close proximity. If the concentration of the solution is high, another effect that is seen is the scattering of light from the large number of quantum dots. This assumption only works at low concentrations of the analyte. Presence of stray light.
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Smarajit Reply
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Source:  OpenStax, Introduction to xml. OpenStax CNX. Dec 02, 2014 Download for free at https://legacy.cnx.org/content/col11207/1.18
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