static void Main(string[] args)
{
OSVersionInfo osvi = new OSVersionInfo();
osvi.dwOSVersionInfoSize = Marshal.SizeOf(osvi);
// Obtain the OS version info.
GetVersionEx(osvi);
// Display the version information.
Console.WriteLine("Class size: " + osvi.dwOSVersionInfoSize);
Console.WriteLine("Major Version: " + osvi.dwMajorVersion);
Console.WriteLine("Minor Version: " + osvi.dwMinorVersion);
Console.WriteLine("Build Number: " + osvi.dwBuildNumber);
Console.WriteLine("Platform Id: " + osvi.dwPlatformId);
Console.WriteLine("CSD Version: " + osvi.szCSDVersion);
Console.WriteLine("Platform: " + Environment.OSVersion.Platform);
Console.WriteLine("Version: " + Environment.OSVersion.Version);
// Wait to continue.
Console.WriteLine(Environment.NewLine);
Console.WriteLine("Main method complete. Press Enter.");
Console.ReadLine();
}
public static extern bool GetVersionEx([In, Out] OSVersionInfo osvi);
