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Current OS

Posted on 2001-07-23
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Last Modified: 2010-04-06
Hi there,

How do I know the current Operating System where my application is running?

This is during runtime.

Thanks,
Gladys
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Question by:gladz
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3 Comments
 
LVL 4

Accepted Solution

by:
YodaMage earned 200 total points
ID: 6308836
function TUtility.GetOSInfo: String;
var
   Platform: String;
   BuildNumber: Integer;
begin
   case Win32Platform of
     VER_PLATFORM_WIN32_WINDOWS:
       begin
         Platform := 'Windows 95';
         BuildNumber := Win32BuildNumber and $0000FFFF;
       end;
     VER_PLATFORM_WIN32_NT:
       begin
         Platform := 'Windows NT';
         BuildNumber := Win32BuildNumber;
       end;
       else
       begin
         Platform := 'Windows';
         BuildNumber := 0;
       end;
   end;
   if (Win32Platform = VER_PLATFORM_WIN32_WINDOWS) or
     (Win32Platform = VER_PLATFORM_WIN32_NT) then
   begin
     if Win32CSDVersion = '' then
       Result := Format('%s %d.%d (Build %d)', [Platform, Win32MajorVersion,
         Win32MinorVersion, BuildNumber])
     else
       Result := Format('%s %d.%d (Build %d: %s)', [Platform, Win32MajorVersion,
         Win32MinorVersion, BuildNumber, Win32CSDVersion]);
   end
   else
     Result := Format('%s %d.%d', [Platform, Win32MajorVersion,
       Win32MinorVersion])
end;
0
 

Expert Comment

by:Skorup
ID: 6311412
Do it in this way.

var
  OS:TOsVersionInfo;
begin
  OS.dwOSVersionInfoSize:=SizeOf(os);
  GetVersionEx(os);
  case os.dwPlatformId of
   VER_PLATFORM_WIN32s: Form1.Caption:='WIN 3.1';
   VER_PLATFORM_WIN32_WINDOWS: Form1.Caption:='WIN 95\98';
   VER_PLATFORM_WIN32_NT: Form1.Caption:='WIN NT';
  end;
end;


 
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