Full code after the jump.

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/10/19/toggling-the-drop-shadow-on-a-panel-container-in-flex/ -->
<mx:Application name="Panel_dropShadowEnabled_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

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

    <mx:Panel id="panel"
            title="Panel title"
            width="100%"
            height="100%"
            borderColor="haloSilver"
            dropShadowEnabled="{checkBox.selected}">
        <mx:Label text="Panel contents" />
    </mx:Panel>

</mx:Application>

View source is enabled in the following example.

You can also set the dropShadowEnabled style in an external .CSS file or <mx:Style /> block, as seen in the following example:

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/10/19/toggling-the-drop-shadow-on-a-panel-container-in-flex/ -->
<mx:Application name="Panel_dropShadowEnabled_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:Style>
        Panel {
            border-color: haloSilver;
            dropShadowEnabled: false;
        }
    </mx:Style>

    <mx:Panel id="panel"
            title="Panel title"
            width="100%"
            height="100%">
        <mx:Label text="Panel contents" />
    </mx:Panel>

</mx:Application>

Or, you can set the dropShadowEnabled style using ActionScript, as seen in the following example:

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/10/19/toggling-the-drop-shadow-on-a-panel-container-in-flex/ -->
<mx:Application name="Panel_dropShadowEnabled_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:Script>
        <![CDATA[
            private function checkBox_change(evt:Event):void {
                panel.setStyle("dropShadowEnabled", checkBox.selected);
            }
        ]]>
    </mx:Script>

    <mx:ApplicationControlBar dock="true">
        <mx:CheckBox id="checkBox"
                label="dropShadowEnabled:"
                labelPlacement="left"
                selected="true"
                change="checkBox_change(event);" />
    </mx:ApplicationControlBar>

    <mx:Panel id="panel"
            title="Panel title"
            width="100%"
            height="100%"
            borderColor="haloSilver">
        <mx:Label text="Panel contents" />
    </mx:Panel>

</mx:Application>

 

Full code after the jump.

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/09/24/displaying-a-drop-shadow-behind-a-vbox-container-in-flex/ -->
<mx:Application name="VBox_dropShadowEnabled_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:VBox id="vBox"
            dropShadowEnabled="true"
            borderStyle="solid"
            borderThickness="0"
            backgroundColor="red"
            width="100%"
            height="100%">
        <mx:Label text="{Capabilities.version}"
                fontSize="64" />
    </mx:VBox>

</mx:Application>

View source is enabled in the following example.

You can also set the borderStyle and dropShadowEnabled styles in an external .CSS file or <mx:Style /> block, as seen in the following example:

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/09/24/displaying-a-drop-shadow-behind-a-vbox-container-in-flex/ -->
<mx:Application name="VBox_dropShadowEnabled_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:Style>
        VBox {
            dropShadowEnabled: true;
            borderStyle: solid;
            borderThickness: 0;
            backgroundColor: red;
        }
    </mx:Style>

    <mx:VBox id="vBox"
            width="100%"
            height="100%">
        <mx:Label text="{Capabilities.version}"
                fontSize="64" />
    </mx:VBox>

</mx:Application>

Or, you can set the borderStyle and dropShadowEnabled styles using ActionScript, as seen in the following example:

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/09/24/displaying-a-drop-shadow-behind-a-vbox-container-in-flex/ -->
<mx:Application name="VBox_dropShadowEnabled_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:Script>
        <![CDATA[
            private function init():void {
                vBox.setStyle("dropShadowEnabled", true);
                vBox.setStyle("borderStyle", "solid");
                vBox.setStyle("borderThickness", 0);
                vBox.setStyle("backgroundColor", "red");
            }
        ]]>
    </mx:Script>

    <mx:VBox id="vBox"
            width="100%"
            height="100%"
            initialize="init();">
        <mx:Label text="{Capabilities.version}"
                fontSize="64" />
    </mx:VBox>

</mx:Application>

Due to popular demand, here is the “same” example in a more ActionScript friendly format:

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/09/24/displaying-a-drop-shadow-behind-a-vbox-container-in-flex/ -->
<mx:Application name="VBox_dropShadowEnabled_test"
        xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white"
        initialize="init();">

    <mx:Script>
        <![CDATA[
            import mx.controls.Label;
            import mx.containers.VBox;

            private var vBox:VBox;

            private function init():void {
                var lbl:Label = new Label();
                lbl.text = Capabilities.version;
                lbl.setStyle("fontSize", 64);

                vBox = new VBox();
                vBox.setStyle("dropShadowEnabled", true);
                vBox.setStyle("borderStyle", "solid");
                vBox.setStyle("borderThickness", 0);
                vBox.setStyle("backgroundColor", "red");
                vBox.percentWidth = 100;
                vBox.percentHeight = 100;
                vBox.addChild(lbl);
                addChild(vBox);
            }
        ]]>
    </mx:Script>

</mx:Application>

 

Full code after the jump.

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/07/22/toggling-a-drop-shadow-on-the-list-control-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <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="dropShadowEnabled:">
                <mx:CheckBox id="checkBox" />
            </mx:FormItem>
        </mx:Form>
    </mx:ApplicationControlBar>

    <mx:List id="list"
            dataProvider="{arr}"
            dropShadowEnabled="{checkBox.selected}"
            width="100" />

</mx:Application>

View source is enabled in the following example.

You can also set the dropShadowEnabled style in an external .CSS file or <mx:Style /> block, as seen in the following example:

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/07/22/toggling-a-drop-shadow-on-the-list-control-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:Style>
        List {
            dropShadowEnabled: true;
        }
    </mx:Style>

    <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:List id="list"
            dataProvider="{arr}"
            width="100" />

</mx:Application>

Or, you can set the dropShadowEnabled style using ActionScript, as seen in the following example:

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/07/22/toggling-a-drop-shadow-on-the-list-control-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:Script>
        <![CDATA[
            private function checkBox_change(evt:Event):void {
                list.setStyle("dropShadowEnabled", checkBox.selected);
            }
        ]]>
    </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="dropShadowEnabled:">
                <mx:CheckBox id="checkBox"
                        change="checkBox_change(event);" />
            </mx:FormItem>
        </mx:Form>
    </mx:ApplicationControlBar>

    <mx:List id="list"
            dataProvider="{arr}"
            width="100" />

</mx:Application>

 

Full code after the jump.

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2008/07/09/toggling-the-drop-shadow-on-the-combobox-control-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="horizontal"
        verticalAlign="top"
        backgroundColor="white">

    <mx:Style>
        .shadowDisabled {
            dropShadowEnabled: false;
        }

        .shadowEnabled {
            dropShadowEnabled: true;
        }
    </mx:Style>

    <mx:Script>
        <![CDATA[
            private function checkBox_change(evt:Event):void {
                var value:String = "shadowEnabled";
                if (!checkBox.selected) {
                    value = "shadowDisabled;"
                }
                comboBox.setStyle("dropdownStyleName", value);
                comboBox.validateNow();
                comboBox.open();
            }
        ]]>
    </mx:Script>

    <mx:Array id="arr">
        <mx:Object label="One" />
        <mx:Object label="Two" />
        <mx:Object label="Three" />
    </mx:Array>

    <mx:ApplicationControlBar dock="true">
        <mx:CheckBox id="checkBox"
                label="dropShadowEnabled:"
                labelPlacement="left"
                selected="true"
                change="checkBox_change(event);" />
    </mx:ApplicationControlBar>

    <mx:ComboBox id="comboBox"
            dataProvider="{arr}"
            openDuration="0"
            closeDuration="0" />

</mx:Application>

 

Full code after the jump.

View MXML

<?xml version="1.0" encoding="utf-8"?>
<!-- http://blog.flexexamples.com/2007/12/23/removing-the-drop-shadow-from-the-datefield-control-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="top"
        backgroundColor="white">

    <mx:Style>
        .myDateChooser {
            dropShadowEnabled: false;
        }
    </mx:Style>

    <mx:Form>
        <mx:FormItem label="With drop shadow:">
            <mx:DateField />
        </mx:FormItem>
        <mx:FormItem label="Without drop shadow:">
            <mx:DateField dateChooserStyleName="myDateChooser" />
        </mx:FormItem>
    </mx:Form>

</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/2007/09/23/creating-drop-shadows-on-the-flex-textarea-control/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="middle"
        backgroundColor="white">

    <mx:ApplicationControlBar dock="true">
        <mx:Form>
            <mx:FormItem label="dropShadowEnabled:">
                <mx:CheckBox id="checkBox" selected="true" />
            </mx:FormItem>
            <mx:FormItem label="dropShadowColor:">
                <mx:ColorPicker id="colorPicker" />
            </mx:FormItem>
            <mx:FormItem label="shadowDirection:">
                <mx:ComboBox id="comboBox" selectedIndex="1">
                    <mx:dataProvider>
                        <mx:Array>
                            <mx:Object label="left" />
                            <mx:Object label="center" />
                            <mx:Object label="right" />
                        </mx:Array>
                    </mx:dataProvider>
                </mx:ComboBox>
            </mx:FormItem>
            <mx:FormItem label="shadowDistance:">
                <mx:HSlider id="slider"
                        minimum="-10"
                        maximum="10"
                        value="0"
                        labels="[-10,-5,0,5,10]"
                        liveDragging="true"
                        snapInterval="1"
                        tickInterval="2" />
            </mx:FormItem>
        </mx:Form>
    </mx:ApplicationControlBar>

    <mx:TextArea id="textArea"
            dropShadowEnabled="{checkBox.selected}"
            dropShadowColor="{colorPicker.selectedColor}"
            shadowDistance="{slider.value}"
            shadowDirection="{comboBox.selectedItem.label}"
            width="320"
            height="120" />

</mx:Application>

View source is enabled in the following example.