MACROMEDIA FLEX-GETTING STARTED WITH FLEX Uživatelský manuál stáhnout pdf (Strana 100)

<mx:String>megan5.jpg</mx:String>

</mx:Array>

<mx:List id="ctlImage" dataProvider="{images}"

selectedIndex="0" width="100" />

<mx:Image source="{ctlImage.selectedItem.valueOf()}"

height="200" />

</mx:Application>

At the top of the application is the list of images—in this case,

five images of my daughter Megan that I have included in the

project by dragging and dropping them into Flex Builder in the

src directory.

I then use an mx:List control to display the list of image names,

and an mx:Image tag to display the currently selected image.

Flex actually does the event handling to change the source of

the image for me when the list changes.

When I run this from Flex Builder I see something similar to

Figure 6-4.

Figure 6-4. The very simple image viewer

I can click on the list and see the different images that I have

placed in the src directory with the MXML application. The

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MACROMEDIA FLEX-GETTING STARTED WITH FLEX Uživatelský manuál Strana 100