[flexcoders] BUG :: List while using the mouseWheel/scroll

Thu, 16 Feb 2006 06:23:17 -0800

Hello,

Just reporting a strange bug.

I get error:

TypeError: Error #1010: undefined has no properties.
    at mx.controls.listclasses::ListBase/scrollVertically()
    at mx.controls.listclasses::ListBase/set vPosition()
    at mx.controls.listclasses::ListBase/mouseWheelHandler()


Here is the code:

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.macromedia.com/2005/mxml" xmlns="*" layout="absolute" creationComplete="loadData();">
    <mx:Script>
        <![CDATA[
           
            public var dataProvider:Array;
           
            public function loadData():void
            {
                dataProvider =
                [
                    {label:"Item 1", data:"This is item 1"},
                    {label:"Item 2", data:"This is item 2"},
                    {label:"Item 3", data:"This is item 3"},
                    {label:"Item 4", data:"This is item 4"},
                    {label:"Item 5", data:"This is item 5"},
                    {label:"Item 6", data:"This is item 6"},
                    {label:"Item 7", data:"This is item 7"}               
                ]
                itemList.dataProvider = dataProvider;
                itemList.addEventListener("change", showItem);
            }           
           
            private function showItem(event):void
            {
                itemView.text = itemList.selectedItem.data;
            }
           
        ]]>
    </mx:Script>
    <mx:Panel x="10" y="10" width="250" height="250" layout="vertical">
        <mx:VDividedBox width="100%" height="100%">
            <mx:List id="itemList" width="100%" height="100%"/>
            <mx:TextArea id="itemView" width="100%" height="100%"/>
        </mx:VDividedBox>
    </mx:Panel>
</mx:Application>

Now mess around with the list select some items, then move the divider bar. Bam it gives me the error above.

Peace, Mike





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