public static WINSTATIONINFORMATIONW GetWinStationInformation(ITerminalServerHandle server, int sessionId)
{
var retLen = 0;
var wsInfo = new WINSTATIONINFORMATIONW();
if (
NativeMethods.WinStationQueryInformation(server.Handle, sessionId,
(int)WINSTATIONINFOCLASS.WinStationInformation, ref wsInfo,
Marshal.SizeOf(typeof(WINSTATIONINFORMATIONW)), ref retLen) !=
0)
{
return(wsInfo);
}
throw new Win32Exception();
}
public TerminalServicesSession(ITerminalServer server, int sessionId, string windowStationName,
ConnectionState connectionState)
{
_server = server;
_sessionId = sessionId;
_windowStationName = windowStationName;
_connectionState = connectionState;
_clientBuildNumber = new LazyLoadedProperty <int>(GetClientBuildNumber);
_clientIPAddress = new LazyLoadedProperty <IPAddress>(GetClientIPAddress);
_clientDisplay = new LazyLoadedProperty <IClientDisplay>(GetClientDisplay);
_clientName =
NativeMethodsHelper.QuerySessionInformationForString(_server.Handle, _sessionId,
WTS_INFO_CLASS.WTSClientName);
// TODO: MSDN says most of these properties should be null for the console session.
// I haven't observed this in practice on Windows Server 2000, 2003, or 2008, but perhaps this
// should be considered.
if (Environment.OSVersion.Version >= new Version(6, 0))
{
// We can actually use documented APIs in Vista / Windows Server 2008+.
WTSINFO info =
NativeMethodsHelper.QuerySessionInformationForStruct <WTSINFO>(server.Handle, _sessionId,
WTS_INFO_CLASS.WTSSessionInfo);
_connectTime = NativeMethodsHelper.FileTimeToDateTime(info.ConnectTime);
_currentTime = NativeMethodsHelper.FileTimeToDateTime(info.CurrentTime);
_disconnectTime = NativeMethodsHelper.FileTimeToDateTime(info.DisconnectTime);
_lastInputTime = NativeMethodsHelper.FileTimeToDateTime(info.LastInputTime);
_loginTime = NativeMethodsHelper.FileTimeToDateTime(info.LogonTime);
_userName = info.UserName;
_domainName = info.Domain;
}
else
{
WINSTATIONINFORMATIONW wsInfo = NativeMethodsHelper.GetWinStationInformation(server.Handle, _sessionId);
_connectTime = NativeMethodsHelper.FileTimeToDateTime(wsInfo.ConnectTime);
_currentTime = NativeMethodsHelper.FileTimeToDateTime(wsInfo.CurrentTime);
_disconnectTime = NativeMethodsHelper.FileTimeToDateTime(wsInfo.DisconnectTime);
_lastInputTime = NativeMethodsHelper.FileTimeToDateTime(wsInfo.LastInputTime);
_loginTime = NativeMethodsHelper.FileTimeToDateTime(wsInfo.LoginTime);
_userName =
NativeMethodsHelper.QuerySessionInformationForString(server.Handle, _sessionId,
WTS_INFO_CLASS.WTSUserName);
_domainName =
NativeMethodsHelper.QuerySessionInformationForString(server.Handle, _sessionId,
WTS_INFO_CLASS.WTSDomainName);
}
}
public static extern int WinStationQueryInformation(IntPtr hServer, int sessionId, int information,
ref WINSTATIONINFORMATIONW buffer, int bufferLength,
ref int returnedLength);
public static extern int WinStationQueryInformation(IntPtr hServer, int sessionId, int information,
ref WINSTATIONINFORMATIONW buffer, int bufferLength,
ref int returnedLength);
