Does anyone know how to open Autocad (non-earth coordinate) with Mapinfo
with latitude longitude coordinate systems?. I have to put dxf file (object
digitized with autocad-nonearth coordiante) to Mapinfo table with latlong.
Wiflred
----- Original Message -----
From: "B. Thoen" <[EMAIL PROTECTED]>
To: "MapInfo-L" <[EMAIL PROTECTED]>
Sent: Friday, May 14, 2004 9:34 AM
Subject: Re: MI-L Testing to ensure a string is numeric
> > Does anyone have a method using MapBasic to test whether a string is
> > numeric? I have a dialog with an edittext box that needs a numeric
> > input. Even if the solution is just a big hack that would be OK, since
> > I am going to make a logical MB function along the lines of
> > IsNumeric("123") = TRUE or something.
>
> Here's a hack...
>
> function IsNumeric (byval sVal as string) as logical
> dim i as integer
>
> for i = 1 to Len(sVal)
> if InStr (1, mid$(sVal,i,1), " 0123456789.+-e")) = 0 then
> 'Found a non-numeric character; string is not numeric
> exit function
> end if
> next
> IsNumeric = 1
>
> end function
>
>
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