>>Create a class "Datamapper" as custom, that has on property and two methods:
>>DataMapper.Aliasname
>>dataMapper.Getvalue()
>>datamapper.setvalue()
>>
>>The getValue() method is as follows:
>>

>>LPARAMETERS tcFieldname
>>RETURN EVALUATE(THIS.Aliasname + "." + tcFieldname)
>>

>>
>>and the setvalue() method is as follows:
>>

>>LPARAMETERS tcFieldname, tvValue
>>REPLACE (tcfieldname) WITH tvvalue IN (THIS.AliasName)
>>

>>
>>In your form, do the following code:
>>

>>MainapplicationObject.NEWOBJECT("Datamapper","Datamapper","LibraryWhereDatamapperexist")
>>MainapplicationObject.Datamapper.Aliasname = ??? *you should know the aliasname here.
>>MyValue = MainapplicationObject.Datamapper.GetValue("MyField")
>>

>>
>>What do you think?
>>
>
>Yes, I like the idea - looks like it will work well - how this design pattern is called?

Maybe a "Decorator"? I am not so sure about the names.