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/2007/12/19/customizing-the-current-date-in-the-flex-datefield-control/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="top"
        backgroundColor="white">

    <mx:Style>
        DateField {
            todayColor: haloOrange;
            dateChooserStyleName: myCustomDateChooser;
        }

        .myCustomDateChooser {
            todayStyleName: myCustomTodayStyleName;
        }

        .myCustomTodayStyleName {
            color: black;
            fontStyle: italic;
            fontWeight: bold;
        }
    </mx:Style>

    <mx:ApplicationControlBar dock="true">
        <mx:Form styleName="plain">
            <mx:FormItem label="showToday:">
                <mx:CheckBox id="checkBox"
                        selected="true"
                        change="dateField.open();" />
            </mx:FormItem>
        </mx:Form>
    </mx:ApplicationControlBar>

    <mx:DateField id="dateField"
            showToday="{checkBox.selected}"
            creationComplete="dateField.open();" />

</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/2007/12/18/changing-the-background-color-of-the-nested-calendar-in-a-flex-datefield-control/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="top"
        backgroundColor="white">

    <mx:Style>
        .subDateChooser {
            backgroundColor: black;
            color: white;
        }
    </mx:Style>

    <mx:DateField id="dateField"
            dateChooserStyleName="subDateChooser" />

</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/2007/12/16/changing-the-next-and-previous-month-navigation-icons-on-a-datefield-control-in-flex/ -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
        layout="vertical"
        verticalAlign="top"
        backgroundColor="white">

    <mx:Style>
        .myDateChooserStyles {
            /* Previous Month */
            prevMonthUpSkin: Embed("assets/bullet_delete.png");
            prevMonthOverSkin: Embed("assets/bullet_delete.png");
            prevMonthDownSkin: Embed("assets/bullet_delete.png");
            prevMonthDisabledSkin: Embed("assets/bullet_delete.png");

            /* Next Month */
            nextMonthUpSkin: Embed("assets/bullet_add.png");
            nextMonthOverSkin: Embed("assets/bullet_add.png");
            nextMonthDownSkin: Embed("assets/bullet_add.png");
            nextMonthDisabledSkin: Embed("assets/bullet_add.png");
        }
    </mx:Style>

    <mx:DateField id="dateField"
            dateChooserStyleName="myDateChooserStyles" />

</mx:Application>

View source is enabled in the following example.