public static bool?SocketsReuseUnicastPortSupport()
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
RTL_OSVERSIONINFOW v = default(RTL_OSVERSIONINFOW);
v.dwOSVersionInfoSize = (uint)Marshal.SizeOf <RTL_OSVERSIONINFOW>();
RtlGetVersion(ref v);
if (v.dwMajorVersion == 10)
{
return(true);
}
else if (v.dwMajorVersion == 6 && (v.dwMinorVersion == 2 || v.dwMinorVersion == 3))
{
// On Windows 8/Windows Server 2012 (major=6, minor=2) or Windows 8.1/Windows Server 2012 R2
// (major=6, minor=3), this feature is not present unless a servicing patch is installed.
// So, we return null to indicate that it is indeterminate whether the feature is active.
return(null);
}
else
{
return(false);
}
}
return(false);
}
public static bool SocketsReuseUnicastPortSupport()
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
RTL_OSVERSIONINFOW v = default(RTL_OSVERSIONINFOW);
v.dwOSVersionInfoSize = (uint)Marshal.SizeOf <RTL_OSVERSIONINFOW>();
RtlGetVersion(ref v);
return(v.dwMajorVersion == 10);
}
return(false);
}
private static extern int RtlGetVersion(ref RTL_OSVERSIONINFOW lpVersionInformation);
private static int RtlGetVersion(ref RTL_OSVERSIONINFOW lpVersionInformation) => throw new PlatformNotSupportedException();
private static extern int RtlGetVersion(ref RTL_OSVERSIONINFOW lpVersionInformation);
public static extern int RtlGetVersion([In, Out] ref RTL_OSVERSIONINFOW lpVersionInformation);
