public static EndPoint QuerySessionInformationForEndPoint(int sessionId)
{
int retLen;
var remoteAddress = new WINSTATIONREMOTEADDRESS();
if (
WinStationQueryInformationRemoteAddress(IntPtr.Zero, sessionId,
WINSTATIONINFOCLASS.WinStationRemoteAddress,
ref remoteAddress,
Marshal.SizeOf(typeof(WINSTATIONREMOTEADDRESS)),
out retLen) != 0)
{
var ipAddress = ExtractIPAddress(remoteAddress.Family, remoteAddress.Address);
int port = ntohs((ushort)remoteAddress.Port);
return(ipAddress == null ? null : new IPEndPoint(ipAddress, port));
}
throw new Win32Exception();
}
static extern int WinStationQueryInformationRemoteAddress(IntPtr hServer, int sessionId,
WINSTATIONINFOCLASS information,
ref WINSTATIONREMOTEADDRESS buffer,
int bufferLength, out int returnedLength);
