A Widget to use that uses the ColdFish project to format your code
ColdFish URL: http://coldfish.riaforge.org/
Usage:
Call the widget and pass it the text you want to format
#cb.widget('ColdFishFormatter',{content=prc.entry.getContent()})#
Within the text you want to format, wrap your code block with [code]...[/code]
[code]
<cfset message = "This plugin is really cool!!!" />
<cfoutput>#message#</cfoutput>
[/code]
Download code and extract it to your ContentBox widgets folder in the contentbox-ui module