public List <sessioninformation> getsessionlist() { List <sessioninformation> info = new List <sessioninformation>(); IntPtr pServer = IntPtr.Zero; string sUserName = string.Empty; string sDomain = string.Empty; string sClientApplicationDirectory = string.Empty; string sIPAddress = string.Empty; WTS_CLIENT_ADDRESS oClientAddres = new WTS_CLIENT_ADDRESS(); WTS_CLIENT_DISPLAY oClientDisplay = new WTS_CLIENT_DISPLAY(); IntPtr pSessionInfo = IntPtr.Zero; int iCount = 0; int iReturnValue = WTSEnumerateSessions (pServer, 0, 1, ref pSessionInfo, ref iCount); int iDataSize = Marshal.SizeOf(typeof(WTS_SESSION_INFO)); int iCurrent = (int)pSessionInfo; if (iReturnValue != 0) { //Go to all sessions for (int i = 0; i < iCount; i++) { sessioninformation sess = new sessioninformation(); WTS_SESSION_INFO oSessionInfo = (WTS_SESSION_INFO)Marshal.PtrToStructure((System.IntPtr)iCurrent, typeof(WTS_SESSION_INFO)); iCurrent += iDataSize; uint iReturned = 0; //Get the IP address of the Terminal Services User IntPtr pAddress = IntPtr.Zero; if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSClientAddress, out pAddress, out iReturned) == true) { oClientAddres = (WTS_CLIENT_ADDRESS)Marshal.PtrToStructure (pAddress, oClientAddres.GetType()); sIPAddress = oClientAddres.bAddress[2] + "." + oClientAddres.bAddress[3] + "." + oClientAddres.bAddress[4] + "." + oClientAddres.bAddress[5]; } //Get the User Name of the Terminal Services User if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSUserName, out pAddress, out iReturned) == true) { sUserName = Marshal.PtrToStringAnsi(pAddress); } //Get the Domain Name of the Terminal Services User if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSDomainName, out pAddress, out iReturned) == true) { sDomain = Marshal.PtrToStringAnsi(pAddress); } //Get the Display Information of the Terminal Services User if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSClientDisplay, out pAddress, out iReturned) == true) { oClientDisplay = (WTS_CLIENT_DISPLAY)Marshal.PtrToStructure (pAddress, oClientDisplay.GetType()); } //Get the Application Directory of the Terminal Services User if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSClientDirectory, out pAddress, out iReturned) == true) { sClientApplicationDirectory = Marshal.PtrToStringAnsi(pAddress); } sess.sessionid = oSessionInfo.iSessionID; sess.sessionname = oSessionInfo.sWinsWorkstationName; sess.sessionstate = oSessionInfo.oState; sess.ipaddress = sIPAddress; sess.username = sUserName; sess.domain = sDomain; sess.resolution_x = oClientDisplay.iHorizontalResolution; sess.resolution_y = oClientDisplay.iVerticalResolution; info.Add(sess); } WTSFreeMemory(pSessionInfo); } return(info); }
/// <param name="pServer"></param> /// <param name="pSessionInfo"></param> private TerminalSessionInfo GetSessionInfo(IntPtr pServer, IntPtr pSessionInfo) { int iCurrent = (int)pSessionInfo; uint iReturned = 0; WTS_CLIENT_ADDRESS oClientAddres = new WTS_CLIENT_ADDRESS(); WTS_CLIENT_DISPLAY oClientDisplay = new WTS_CLIENT_DISPLAY(); WTS_CLIENT_PROTOCOL_TYPE oClientProtocol = WTS_CLIENT_PROTOCOL_TYPE.UNKNOWN; WTS_CLIENT_INFO oClientInfo = new WTS_CLIENT_INFO(); WTSINFO oWtsInfo = new WTSINFO(); string sIPAddress = string.Empty; string sUserName = string.Empty, sClientName = string.Empty; string sDomain = string.Empty; string sClientApplicationDirectory = string.Empty; TerminalSessionInfo retval = new TerminalSessionInfo(0); // Get session info structure WTS_SESSION_INFO oSessionInfo = (WTS_SESSION_INFO)Marshal.PtrToStructure((System.IntPtr)iCurrent, typeof(WTS_SESSION_INFO)); //Get the IP address of the Terminal Services User IntPtr pAddress = IntPtr.Zero; if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSClientAddress, out pAddress, out iReturned) == true) { oClientAddres = (WTS_CLIENT_ADDRESS)Marshal.PtrToStructure(pAddress, oClientAddres.GetType()); sIPAddress = oClientAddres.bAddress[2] + "." + oClientAddres.bAddress[3] + "." + oClientAddres.bAddress[4] + "." + oClientAddres.bAddress[5]; } //Get the User Name of the Terminal Services User if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSUserName, out pAddress, out iReturned) == true) { sUserName = Marshal.PtrToStringAnsi(pAddress); } //Get the Client Name of the Terminal Services User if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSClientName, out pAddress, out iReturned) == true) { sClientName = Marshal.PtrToStringAnsi(pAddress); } //Get the Domain Name of the Terminal Services User if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSDomainName, out pAddress, out iReturned) == true) { sDomain = Marshal.PtrToStringAnsi(pAddress); } //Get the Display Information of the Terminal Services User if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSClientDisplay, out pAddress, out iReturned) == true) { oClientDisplay = (WTS_CLIENT_DISPLAY)Marshal.PtrToStructure(pAddress, oClientDisplay.GetType()); } //Get the Application Directory of the Terminal Services User if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSClientDirectory, out pAddress, out iReturned) == true) { sClientApplicationDirectory = Marshal.PtrToStringAnsi(pAddress); } //Get protocol type if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSClientProtocolType, out pAddress, out iReturned) == true) { oClientProtocol = (WTS_CLIENT_PROTOCOL_TYPE)Marshal.ReadInt16(pAddress); } //Get client info if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSClientInfo, out pAddress, out iReturned) == true) { oClientInfo = (WTS_CLIENT_INFO)Marshal.PtrToStructure(pAddress, oClientInfo.GetType()); //sUserName = String.IsNullOrEmpty(sUserName) ? oClientInfo.UserName : sUserName; } //Get WTS info if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSSessionInfo, out pAddress, out iReturned) == true) { oWtsInfo = (WTSINFO)Marshal.PtrToStructure(pAddress, oWtsInfo.GetType()); } // fill result retval.SessionInfo = oSessionInfo; //retval.SessionInfo.oState = oSessionInfo.oState; //retval.SessionInfo.sWinsWorkstationName = oSessionInfo.sWinsWorkstationName == null ? "" : oSessionInfo.sWinsWorkstationName; retval.UserName = sUserName == null ? "" : sUserName; retval.ClientMachineName = sClientName == null ? "" : sClientName; retval.ClientIPAddress = sIPAddress == null ? "" : sIPAddress; retval.Domain = sDomain == null ? "" : sDomain; retval.ProtocolType = oClientProtocol; retval.ClientInfo = oClientInfo; retval.WtsInfo = oWtsInfo; return(retval); }
private static void GetAllSessions() { IntPtr pServer = IntPtr.Zero; string sUserName = string.Empty; string sDomain = string.Empty; string sClientApplicationDirectory = string.Empty; string sIPAddress = string.Empty; WTS_CLIENT_ADDRESS oClientAddres = new WTS_CLIENT_ADDRESS(); WTS_CLIENT_DISPLAY oClientDisplay = new WTS_CLIENT_DISPLAY(); IntPtr pSessionInfo = IntPtr.Zero; int iCount = 0; int iReturnValue = WTSEnumerateSessions (pServer, 0, 1, ref pSessionInfo, ref iCount); int iDataSize = Marshal.SizeOf(typeof (WTS_SESSION_INFO)); int iCurrent = (int) pSessionInfo; if (iReturnValue != 0) { //Go to all sessions for (int i = 0; i < iCount; i++) { WTS_SESSION_INFO oSessionInfo = (WTS_SESSION_INFO) Marshal.PtrToStructure((System.IntPtr) iCurrent, typeof (WTS_SESSION_INFO)); iCurrent += iDataSize; uint iReturned = 0; //Get the IP address of the Terminal Services User IntPtr pAddress = IntPtr.Zero; if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSClientAddress, out pAddress, out iReturned) == true) { oClientAddres = (WTS_CLIENT_ADDRESS) Marshal.PtrToStructure (pAddress, oClientAddres.GetType()); sIPAddress = oClientAddres.bAddress[2] + "." + oClientAddres.bAddress[3] + "." + oClientAddres.bAddress[4] + "." + oClientAddres.bAddress[5]; } //Get the User Name of the Terminal Services User if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSUserName, out pAddress, out iReturned) == true) { sUserName = Marshal.PtrToStringAnsi(pAddress); } //Get the Domain Name of the Terminal Services User if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSDomainName, out pAddress, out iReturned) == true) { sDomain = Marshal.PtrToStringAnsi(pAddress); } //Get the Display Information of the Terminal Services User if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSClientDisplay, out pAddress, out iReturned) == true) { oClientDisplay = (WTS_CLIENT_DISPLAY) Marshal.PtrToStructure (pAddress, oClientDisplay.GetType()); } //Get the Application Directory of the Terminal Services User if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSClientDirectory, out pAddress, out iReturned) == true) { sClientApplicationDirectory = Marshal.PtrToStringAnsi(pAddress); } Console.WriteLine("Session ID : " + oSessionInfo.iSessionID); Console.WriteLine("Session State : " + oSessionInfo.oState); Console.WriteLine("Workstation Name : " + oSessionInfo.sWinsWorkstationName); Console.WriteLine("IP Address : " + sIPAddress); Console.WriteLine("User Name : " + sDomain + @"\" + sUserName); Console.WriteLine("Client Display Resolution: " + oClientDisplay.iHorizontalResolution + " x " + oClientDisplay.iVerticalResolution); Console.WriteLine("Client Display Colour Depth: " + oClientDisplay.iColorDepth); Console.WriteLine("Client Application Directory: " + sClientApplicationDirectory); Console.WriteLine("-----------------------"); } WTSFreeMemory(pSessionInfo); } }
static void Main(string[] args) { IntPtr pServer = IntPtr.Zero; string sUserName = string.Empty; string sDomain = string.Empty; string sClientApplicationDirectory = string.Empty; string sIPAddress = string.Empty; WTS_CLIENT_ADDRESS oClientAddres = new WTS_CLIENT_ADDRESS(); WTS_CLIENT_DISPLAY oClientDisplay = new WTS_CLIENT_DISPLAY(); IntPtr pSessionInfo = IntPtr.Zero; int iCount = 0; int iReturnValue = WTSEnumerateSessions (pServer, 0, 1, ref pSessionInfo, ref iCount); int iDataSize = Marshal.SizeOf(typeof(WTS_SESSION_INFO)); int iCurrent = (int)pSessionInfo; if (iReturnValue != 0) { //Go to all sessions for (int i = 0; i < iCount; i++) { WTS_SESSION_INFO oSessionInfo = (WTS_SESSION_INFO)Marshal.PtrToStructure((System.IntPtr)iCurrent, typeof(WTS_SESSION_INFO)); iCurrent += iDataSize; uint iReturned = 0; //Get the IP address of the Terminal Services User IntPtr pAddress = IntPtr.Zero; if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSClientAddress, out pAddress, out iReturned) == true) { oClientAddres = (WTS_CLIENT_ADDRESS)Marshal.PtrToStructure(pAddress, oClientAddres.GetType()); sIPAddress = oClientAddres.bAddress[2] + "." + oClientAddres.bAddress[3] + "." + oClientAddres.bAddress[4] + "." + oClientAddres.bAddress[5]; } //Get the User Name of the Terminal Services User if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSUserName, out pAddress, out iReturned) == true) { sUserName = Marshal.PtrToStringAnsi(pAddress); } //Get the Domain Name of the Terminal Services User if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSDomainName, out pAddress, out iReturned) == true) { sDomain = Marshal.PtrToStringAnsi(pAddress); } //Get the Display Information of the Terminal Services User if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSClientDisplay, out pAddress, out iReturned) == true) { oClientDisplay = (WTS_CLIENT_DISPLAY)Marshal.PtrToStructure(pAddress, oClientDisplay.GetType()); } //Get the Application Directory of the Terminal Services User if (WTSQuerySessionInformation(pServer, oSessionInfo.iSessionID, WTS_INFO_CLASS.WTSClientDirectory, out pAddress, out iReturned) == true) { sClientApplicationDirectory = Marshal.PtrToStringAnsi(pAddress); } Console.WriteLine("Session ID : " + oSessionInfo.iSessionID); Console.WriteLine("Session State : " + oSessionInfo.oState); Console.WriteLine("Workstation Name : " + oSessionInfo.sWinsWorkstationName); Console.WriteLine("IP Address : " + sIPAddress); Console.WriteLine("User Name : " + sDomain + @"\" + sUserName); Console.WriteLine("Client Display Resolution: " + oClientDisplay.iHorizontalResolution + " x " + oClientDisplay.iVerticalResolution); Console.WriteLine("Client Display Colour Depth: " + oClientDisplay.iColorDepth); Console.WriteLine("Client Application Directory: " + sClientApplicationDirectory); Console.WriteLine("-----------------------"); } WTSFreeMemory(pSessionInfo); } Console.ReadKey(); }