FLEX+ARCGIS query area and length to achieve

arcgis-samples-flex-develop
...........................\.gitattributes
...........................\.gitignore
...........................\CONTRIBUTING.md
...........................\README.md
...........................\license.txt
...........................\mobile
...........................\......\BasicMap
...........................\......\........\.actionScriptProperties
...........................\......\........\.flexProperties
...........................\......\........\.project
...........................\......\........\libs
...........................\......\........\....\HowToDownloadSWC.txt
...........................\......\........\src
...........................\......\........\...\BasicMap-app.xml
...........................\......\........\...\BasicMap.mxml
...........................\......\........\...\assets
...........................\......\........\...\......\high-res
...........................\......\........\...\......\........\gpsA.png
...........................\......\........\...\......\........\gpsB.png
...........................\......\........\...\......\low-res
...........................\......\........\...\......\.......\gpsA.png
...........................\......\........\...\......\.......\gpsB.png
...........................\......\........\...\......\med-res
...........................\......\........\...\......\.......\gpsA.png
...........................\......\........\...\......\.......\gpsB.png
...........................\......\........\...\components
...........................\......\........\...\..........\Compass.as
...........................\......\........\...\skins
...........................\......\........\...\.....\CompassSkin.mxml
...........................\......\........\...\.....\ImageButtonSkin.mxml
...........................\......\........\...\views
...........................\......\........\...\.....\BasicMapHomeView.mxml
...........................\......\README.md
...........................\......\WebMap
...........................\......\......\.actionScriptProperties
...........................\......\......\.flexProperties
...........................\......\......\.project
...........................\......\......\libs
...........................\......\......\....\HowToDownloadSWC.txt
...........................\......\......\src
...........................\......\......\...\WebMap-app.xml
...........................\......\......\...\WebMap.mxml
...........................\......\......\...\assets
...........................\......\......\...\......\back.png
...........................\......\......\...\......\search.png
...........................\......\......\...\defaults.css
...........................\......\......\...\skins
...........................\......\......\...\.....\PopUpMediaBrowserCustomSkin.mxml
...........................\......\......\...\.....\PopUpRendererCustomSkin.mxml
...........................\......\......\...\views
...........................\......\......\...\.....\LoadingWebmapsView.mxml
...........................\......\......\...\.....\MapView.mxml
...........................\......\......\...\.....\SearchView.mxml
...........................\......\......\...\.....\WebMapsView.mxml
...........................\web
...........................\...\.actionScriptProperties
...........................\...\.flexProperties
...........................\...\.project
...........................\...\README.md
...........................\...\build.properties
...........................\...\build.xml
...........................\...\env-template.properties
...........................\...\html-template
...........................\...\.............\index.template.html
...........................\...\.............\playerProductInstall.swf
...........................\...\.............\swfobject.js
...........................\...\libs
...........................\...\....\HowToDownloadSWC.txt
...........................\...\local-template.properties
...........................\...\src
...........................\...\...\AddLODS

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