>I have deleted the method I don't want to be visible from myclass.vcx, but now when try to use that method it does nothing.....
>what's wrong ?

If the ObjCode field of that record is empty to, your compiled code is also gone. Once you remove the code from the Methods field, you will lose any compiled code in the ObjCode field if you recompile the class. This is why you only do this on a copy of the VCX/VCT files.