The following example shows you how you can style individual labels in a FormItem container in Flex by setting the labelStyleName style, as seen in the following snippet:
<mx:Style>
.requiredLabel {
color: red;
fontSize: 12;
fontWeight: bold;
}
</mx:Style>
<mx:Form>
<mx:FormItem label="Field 1:"
labelStyleName="requiredLabel"
required="true">
<mx:Label id="lbl1" text="{str}" />
</mx:FormItem>
</mx:Form>
The labelStyleName style was added in Flex 3 build 186889 (Wed Nov 07 2007 or later). You may need to download a nightly build of the Flex 3 SDK from the Adobe Labs website.
Full code after the jump.
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