> > Hi all,
> >
> > I had just came out of this, and I don't know if it has anything related to how OOP in VFP work on no (system variable has some protection). But in my opinion. It has.
> >
> >
? _pageno && Return 1
> >
> > LOCAL _pageno && Error: Must be variable or array
> >
> > ? m._pageno && error: variable '_pageno' is not found
> >
> > CREATE CURSOR mycur (_pageno n(1)) && Error: Syntax Error
> >
> > #1 why Local _systemvariable gives error? I cannot change it scope means it is protected? if yes who protect it or prevent it from changing?
> >
> > #2 Why I cannot use m. before system variable?
> >
> > #3 can I create a variable to work as system variable?
> > I mean gives error when I try to create field in table/cursor with the same name of system variable and gives error when i try to change it is scope.
> >
> > #4 Error "Must be variable or array" and "variavle xxx is not found" means that _pageno is not variable? what it is?
> >
> > TIA
> >
> > Samir R. Ibrahim
> >
Good things Take time, Great things happend all at once.> >
> >
My WebLog> > My Website:
www.cdcity.org>
>
> Bonjour Samir
> I just remember only that the vfp command to see available memvar (who are public) is:
>
> disp memo
> or
>
disp memo to c:\mymemvar.txt
> or
list memory......or ...list memory to file
>
> Regards
> yousfi Benameur
Bonjour Yousfi,
Yes, I count them and they were 85 public system variable.
btw: I need your email address. send me an email so i can know yours.
Samir R. Ibrahim
Good things Take time, Great things happend all at once.My WebLogMy Website:
www.cdcity.org