Full code after the jump.

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/07/05/toggling-live-scrolling-on-a-combobox-controls-dropdown-menu-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="top"
        backgroundColor="white">

    <mx:Script>
        <![CDATA[
            import mx.events.DropdownEvent;

            private function comboBox_open(evt:DropdownEvent):void {
                comboBox.dropdown.liveScrolling = checkBox.selected;
                comboBox.dropdown.showScrollTips = true;
            }
        ]]>
    </mx:Script>

    <mx:Array id="arr">
        <mx:Object label="One" />
        <mx:Object label="Two" />
        <mx:Object label="Three" />
        <mx:Object label="Four" />
        <mx:Object label="Five" />
        <mx:Object label="Six" />
        <mx:Object label="Seven" />
        <mx:Object label="Eight" />
        <mx:Object label="Nine" />
        <mx:Object label="Ten" />
    </mx:Array>

    <mx:ApplicationControlBar dock="true">
        <mx:Form styleName="plain">
            <mx:FormItem label="liveDragging:">
                <mx:CheckBox id="checkBox"
                        selected="true" />
            </mx:FormItem>
        </mx:Form>
    </mx:ApplicationControlBar>

    <mx:ComboBox id="comboBox"
            dataProvider="{arr}"
            open="comboBox_open(event);" />

</mx:Application>

View source is enabled in the following example.

 

Full code after the jump.

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/03/16/changing-live-dragging-on-a-tilelist-control-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:ArrayCollection id="arrColl">
        <mx:source>
            <mx:Array>
                <mx:Object label="ColdFusion" icon="@Embed('assets/cf_appicon-tn.gif')" />
                <mx:Object label="Dreamweaver" icon="@Embed('assets/dw_appicon-tn.gif')" />
                <mx:Object label="Fireworks" icon="@Embed('assets/fw_appicon-tn.gif')" />
                <mx:Object label="Flash" icon="@Embed('assets/fl_appicon-tn.gif')" />
                <mx:Object label="Flash Player" icon="@Embed('assets/fl_player_appicon-tn.gif')" />
                <mx:Object label="Flex" icon="@Embed('assets/fx_appicon-tn.gif')" />
                <mx:Object label="Illustrator" icon="@Embed('assets/ai_appicon-tn.gif')" />
                <mx:Object label="Lightroom" icon="@Embed('assets/lr_appicon-tn.gif')" />
                <mx:Object label="Photoshop" icon="@Embed('assets/ps_appicon-tn.gif')" />
                <mx:Object label="ColdFusion" icon="@Embed('assets/cf_appicon-tn.gif')" />
                <mx:Object label="Dreamweaver" icon="@Embed('assets/dw_appicon-tn.gif')" />
                <mx:Object label="Fireworks" icon="@Embed('assets/fw_appicon-tn.gif')" />
                <mx:Object label="Flash" icon="@Embed('assets/fl_appicon-tn.gif')" />
                <mx:Object label="Flash Player" icon="@Embed('assets/fl_player_appicon-tn.gif')" />
                <mx:Object label="Flex" icon="@Embed('assets/fx_appicon-tn.gif')" />
                <mx:Object label="Illustrator" icon="@Embed('assets/ai_appicon-tn.gif')" />
                <mx:Object label="Lightroom" icon="@Embed('assets/lr_appicon-tn.gif')" />
                <mx:Object label="Photoshop" icon="@Embed('assets/ps_appicon-tn.gif')" />
            </mx:Array>
        </mx:source>
    </mx:ArrayCollection>

    <mx:ApplicationControlBar dock="true">
        <mx:Form styleName="plain">
            <mx:FormItem label="liveScrolling:">
                <mx:CheckBox id="checkBox"
                        creationComplete="checkBox.selected = tileList.liveScrolling;" />
            </mx:FormItem>
        </mx:Form>
    </mx:ApplicationControlBar>

    <mx:TileList id="tileList"
            dataProvider="{arrColl}"
            alternatingItemColors="[#FFFFFF,#EEEEEE]"
            columnCount="3"
            columnWidth="100"
            rowCount="2"
            rowHeight="100"
            direction="horizontal"
            verticalScrollPolicy="on"
            liveScrolling="{checkBox.selected}" />

</mx:Application>

View source is enabled in the following example.

 

Full code after the jump.

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2007/11/06/disabling-live-scrolling-on-a-flex-textarea-control/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:String id="lorem" source="lorem.txt" />

    <mx:ApplicationControlBar dock="true">
        <mx:CheckBox id="checkBox"
                label="liveScrolling:"
                labelPlacement="left"
                selected="true" />
    </mx:ApplicationControlBar>

    <mx:TextArea id="textArea"
            text="{lorem}"
            liveScrolling="{checkBox.selected}"
            editable="false"
            condenseWhite="true"
            width="100%"
            height="100%" />

</mx:Application>

View source is enabled in the following example.