private static extern bool GetVersionEx(ref Osversioninfoex osVersionInfo);
private static extern bool GetVersionEx(ref Osversioninfoex osVersionInfo);
public static string GetOsVersion()
{
var result = Err;
var osVersionInfo = new Osversioninfoex();
var osInfo = Environment.OSVersion;
osVersionInfo.dwOSVersionInfoSize =
Marshal.SizeOf(typeof(Osversioninfoex));
if (!GetVersionEx(ref osVersionInfo))
{
return(Err);
}
var is64 = Is64();
Log.AppendLine("osInfo.Platform=" + osInfo.Platform);
Log.AppendLine("osInfo.Version.Major=" + osInfo.Version.Major);
Log.AppendLine("osInfo.Version.Minor=" + osInfo.Version.Minor);
Log.AppendLine("osVersionInfo.wProductType=" + osVersionInfo.wProductType);
Log.AppendLine("osVersionInfo.wSuiteMask=" + osVersionInfo.wSuiteMask);
Log.AppendLine("IntPtr.Size=" + IntPtr.Size);
Log.AppendLine("64 bit OS=" + Convert.ToString(is64));
if (osInfo.Platform == PlatformID.Win32NT)
{
if (osInfo.Version.Major > 4)
{
result = "Microsoft ";
}
if (osInfo.Version.Major == 6)
{
if (osInfo.Version.Minor == 0)
{
if (osVersionInfo.wProductType == VerNtWorkstation)
{
result += "Windows Vista";
}
else
{
result += "Windows Server 2008";
}
}
else if (osInfo.Version.Minor == 1)
{
if (osVersionInfo.wProductType == VerNtWorkstation)
{
result += "Windows 7";
}
else
{
result += "Windows Server 2008 R2";
}
}
else if (osInfo.Version.Minor == 2)
{
if (osVersionInfo.wProductType == VerNtWorkstation)
{
result += "Windows 8";
}
else
{
result += "Windows Server 2012";
}
}
}
else if (osInfo.Version.Major == 5)
{
if (osInfo.Version.Minor == 2)
{
if (GetSystemMetrics(SmServerr2) != 0)
{
result += "Windows Server 2003 R2";
}
else if ((osVersionInfo.wSuiteMask & VerSuiteStorageServer) > 0)
{
result += "Windows Storage Server 2003";
}
else if ((osVersionInfo.wSuiteMask & VerSuiteWhServer) > 0)
{
result += "Windows Home Server";
}
else if (osVersionInfo.wProductType == VerNtWorkstation && is64)
{
result += "Windows XP Professional x64 Edition";
}
else
{
result += "Windows Server 2003";
}
// エディション取得処理は省略
}
else if (osInfo.Version.Minor == 1)
{
result += "Windows XP";
}
else if (osInfo.Version.Minor == 0)
{
result += "Windows 2000";
}
}
// Include service pack (if any)
if (osVersionInfo.szCSDVersion.Length > 0)
{
result += " " + osVersionInfo.szCSDVersion;
}
// Architecture
if (is64 == false)
{
result += ", 32-bit";
}
else
{
result += ", 64-bit";
}
}
else if (osInfo.Platform == PlatformID.Win32Windows)
{
result = "This sample does not support this version of Windows.";
}
return(result);
}