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I have a feature class of points. My client wants to draw a polygon on the map to select the subset of points inside the drawn polygon. Is there any tools in ArcGIS API, which I can use it for this purpose? if there is a sample for ArcGIS API for Flex, that would be great.

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You can use this sample available with Flex API. enter image description here

If you are going to work with this functionality and require more advanced features, consider using GP services. See sample here.

enter image description here

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  • Alex, I have another question for you. Is there any possibility that I can use the same functionality to select features from more than one feature class?
    – Fred
    May 5, 2014 at 18:32
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    @Fred, should be. You'd probably need to catch the selection event for multiple services, yet I haven't worked with Flex on this task, cannot guide you here, sorry. Implementing this via GP services can be easily done - you just select features from multiple map services. May 5, 2014 at 19:56

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