OpenEuphoria

Re: cards32.ew by Brian Broker: how move cards?

• Posted by Juergen Luethje <j.lue at g?x.de> Jul 05, 2007
• 670 views

Dan Moyer wrote:

> Brian Broker wrote:
> > 
> > Dan Moyer wrote:
> > 
> > > 
> > > Thanks Larry, I was hoping to be able to work on my app on either machine,
> > > but I see that will pretty near be impossible.
> > > 
> > > Dan
> > 
> > Nothing is impossible... Euphoria can't easily interact with 16-bit dlls but
> > it doesn't have to...  just copy the 32-bit version (cards32.dll) with your
> > app.  I seriously doubt that MS would have a problem with that...  Afterall,
> > I don't think they even support OS's less than XP anymore.
> > 
> > =Brian
> 
> 
> Hi Brian,
> 
> Glad to see you here!  
> I was just going to ask people if copying 32-bit cards.dll or cards32.dll 
> over to Win98, but with a different name & then have app detect which op sys
> is present & use either cards.dll on XP or xcards.dll(same one) on Win98, so
> as not to make any problem with other apps on 98 expecting 16-bit cards.dll.
> 
> But to do that, I need to detect op sys, & I haven't looked into that yet.
> Anyone know how to do that?

<snip>

include misc.e
include dll.e
include machine.e

atom Kernel32
integer GetVersionEx

if platform() = WIN32 then
   Kernel32 = open_dll("kernel32.dll")
   GetVersionEx = define_c_func(Kernel32, "GetVersionExA", {C_POINTER}, C_LONG)
end if

constant           -- TYPE OSVERSIONINFO
   dwOSVersionInfoSize =  0,  -- C_ULONG
-- dwMajorVersion      =  4,  -- C_ULONG
-- dwMinorVersion      =  8,  -- C_ULONG
-- dwBuildNumber       = 12,  -- C_ULONG
   dwPlatformId        = 16,  -- C_ULONG
-- szCSDVersion        = 20,  -- String*128
SIZEOF_OSVERSIONINFO = 148

global function win_platform()
   -- out: 1 = Windows 95/98/Me, 2 = Windows NT/2000/XP/Vista
   atom osinfo, void, ret

   osinfo = allocate(SIZEOF_OSVERSIONINFO)
   poke4(osinfo + dwOSVersionInfoSize, SIZEOF_OSVERSIONINFO)
   void = c_func(GetVersionEx, {osinfo})
   ret = peek4u(osinfo + dwPlatformId)
   free(osinfo)
   return ret
end function

? win_platform()

See http://msdn2.microsoft.com/en-us/library/ms724451.aspx for more information.

Regards,
   Juergen