Hi Metin,
I haven't done this but if I were going to, I would start by trying this:
DEFINE CLASS colBase as Column
PROCEDURE Init
This.RemoveObject("Text1")
This.AddObject("txtName","MyTextbox")
ENDPROC
ENDDEFINE
pamela
>You know column classes can be added only by write .prg. I want to add my own textbox as default input for my column class. How can I do?