Take this for example...... Say I wanted to cookup a new 'object' of Type : "ColdFusion Coder".... As Ray suggested, there are a certain amount of general vanilla parameters, in this case, fname, lname and age.
So we have 1 class - a "superclass" called human.cfc which looks like this : <cfcomponent name="human"> <cffunction name="createhuman" returntype="struct" access="package"> <cfargument name="fname" default="" type="string"> <cfargument name="lname" default="" type="string"> <cfargument name="age" default="-1" type="numeric"> <cfscript> this.fname = arguments.fname; this.lname = arguments.lname; this.age = arguments.age; </cfscript> <cfreturn this> </cffunction> </cfcomponent> We also have a CFC named coder .cfc which is extending/inheriting the human.cfc method & properties..it is adding a coding discipline : "Language" <cfcomponent name="coder" extends="human"> <cffunction name="create" returntype="struct"> <cfargument name="language" default="" type="string"> <cfscript> createhuman(argumentCollection=duplicate(arguments)); </cfscript> <cfset this.language = arguments.language> <cfreturn this> </cffunction> </cfcomponent> We can either now, call human.cfc to create a simple human with default params, or we can call the coder.cfc to add instance variables to human.cfc thus (from a standard .cfm page) : <cfset stArgs = structNew()> <cfset stArgs.fname = "Neil"> <cfset stArgs.lname = "Clark"> <cfset stArgs.age = 29> <cfset stArgs.language = "ColdFusion"> <cfinvoke component="com.macromedia.coder" method="create" argumentcollection="#stArgs#" returnvariable="coder" /> <cfoutput>#coder.lname#, #coder.fname#, #coder.age#</cfoutput> This is displays fairly simple inheritance with ColdFusion and CFCs - yes it may not be what you determine as true inheritance, but its ingeritance nonetheless. Hope this helps. Neil Neil Clark Team Macromedia http://www.macromedia.com/go/team Announcing Macromedia MX!! -------------------------- http://www.macromedia.com/software/trial/. ______________________________________________________________________ Signup for the Fusion Authority news alert and keep up with the latest news in ColdFusion and related topics. http://www.fusionauthority.com/signup.cfm FAQ: http://www.thenetprofits.co.uk/coldfusion/faq Archives: http://www.mail-archive.com/cf-talk@houseoffusion.com/ Unsubscribe: http://www.houseoffusion.com/index.cfm?sidebar=lists