Get the number of direct child components in a container

           
<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
    <mx:Script>
        
        import mx.controls.Alert;
        public function calculateChildren():void {
            var myText:String = new String();
            myText= myVBox.numChildren + " children";
            myText+="\nThe Application has " + numChildren + " children";
            Alert.show(myText);
        }
      
    </mx:Script>
    <mx:VBox id="myVBox" borderStyle="solid">
        <mx:Label text="This is label 1" />
        <mx:Label text="This is label 2" />
        <mx:Label text="This is label 3" />
    </mx:VBox>
    <mx:Button label="Show Children" click="calculateChildren();" />
</mx:Application>

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Get the number of direct child components in a container : Container « Container « Flex

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