Public Const COOKIE_STATE_ACCEPT As Integer = &H1

    Public Const COOKIE_STATE_PROMPT As Integer = &H2

    Public Const COOKIE_STATE_LEASH As Integer = &H3

    Public Const COOKIE_STATE_DOWNGRADE As Integer = &H4

    Public Const COOKIE_STATE_REJECT As Integer = &H5

    Public Const COOKIE_STATE_ACCEPT As Integer = &H1

    Public Const COOKIE_STATE_PROMPT As Integer = &H2

    Public Const COOKIE_STATE_LEASH As Integer = &H3

    Public Const COOKIE_STATE_DOWNGRADE As Integer = &H4

    Public Const COOKIE_STATE_REJECT As Integer = &H5

                    [MarshalAs(UnmanagedType.U4)] WINDOWS_STATION_ACCESS_MASK desiredAccess,

    internal enum WINDOWS_STATION_ACCESS_MASK : uint

                WINDOWS_STATION_ACCESS_MASK.WINSTA_ALL_ACCESS, null);

const uint EVENT_OBJECT_STATECHANGE = 0x800A; // hwnd ID idChild is item w/ state change

    const int TCIF_STATE = 0x10;

    tcitem.mask = TCIF_STATE | TCIF_TEXT;

public static extern int NtCreateFile(out SafeFileHandle handle, FileAccess access, OBJECT_ATTRIBUTES* objectAttributes, IO_STATUS_BLOCK* ioStatus, ref long allocSize, uint fileAttributes, FileShare share, uint createDisposition, uint createOptions, IntPtr eaBuffer, uint eaLength);

        ref IO_STATUS_BLOCK ioStatus,

public struct IO_STATUS_BLOCK

IO_STATUS_BLOCK ioStatusBlock = new IO_STATUS_BLOCK();

[DllImport("ntdll.dll", SetLastError=true)] static extern IntPtr NtQueryInformationFile(IntPtr fileHandle, ref IO_STATUS_BLOCK IoStatusBlock, IntPtr pInfoBlock, uint length, FILE_INFORMATION_CLASS fileInformation);

Declare Function NtQueryInformationFile Lib "ntdll.dll" (ByVal fileHandle As IntPtr, ByRef IoStatusBlock As IO_STATUS_BLOCK, ByVal pInfoBlock As IntPtr, ByVal length As UInteger, ByVal fileInformation As FILE_INFORMATION_CLASS) As IntPtr

    Structure IO_STATUS_BLOCK

    struct IO_STATUS_BLOCK

    struct IO_STATUS_BLOCK {

    static extern IntPtr NtQueryInformationFile(SafeFileHandle fileHandle, ref IO_STATUS_BLOCK IoStatusBlock, IntPtr pInfoBlock, uint length, FILE_INFORMATION_CLASS fileInformation);

            IO_STATUS_BLOCK iosb = new IO_STATUS_BLOCK();

  IntPtr status = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(SYSTEM_BATTERY_STATE)));

    (UInt32)Marshal.SizeOf(typeof(SYSTEM_BATTERY_STATE))

  SYSTEM_BATTERY_STATE batt_status = (SYSTEM_BATTERY_STATE)Marshal.PtrToStructure(status, typeof(SYSTEM_BATTERY_STATE));

public static extern bool    ControlService(IntPtr hService, SERVICE_CONTROL dwControl, ref SERVICE_STATUS lpServiceStatus);

Public Function ControlService(ByVal hService As IntPtr, ByVal dwControl As SERVICE_CONTROL, ByRef lpServiceStatus As SERVICE_STATUS) As Boolean

Declare Function ControlService Lib "advapi32.dll" (ByVal hService As Long, ByVal lControlCode As Long, ByVal lpServiceStatus As SERVICE_STATUS) As Boolean

See SERVICE_STATUS definition

public enum SERVICE_STATE : uint

See SERVICE_STATUS definition

Public Enum SERVICE_STATE As Integer

SERVICE_STATUS stat = new SERVICE_STATUS();

         SERVICE_STATUS serviceStatus;

         serviceStatus = new SERVICE_STATUS ();

     private SERVICE_STATUS DoQueryServiceStatus ()

         SERVICE_STATUS serviceStatus = new SERVICE_STATUS();

                 SERVICE_STATUS serviceStatus = new SERVICE_STATUS ();

         SERVICE_STATUS serviceStatus = new SERVICE_STATUS();

         ref SERVICE_STATUS lpServiceStatus);

     internal static extern bool QueryServiceStatus (IntPtr hService, ref SERVICE_STATUS dwServiceStatus);

     internal static extern bool SetServiceStatus (IntPtr hServiceStatus, ref SERVICE_STATUS lpServiceStatus);

    SERVICE_QUERY_STATUS = 0x00004,

        SERVICE_QUERY_STATUS |

        SERVICE_QUERY_STATUS |

    SERVICE_QUERY_STATUS = &H4

        SERVICE_QUERY_STATUS Or _

        SERVICE_QUERY_STATUS Or _

        SERVICE_QUERY_STATUS       = 0x00004,

            SERVICE_QUERY_STATUS     |

        SC_MANAGER_QUERY_LOCK_STATUS   = 0x00010,

            SC_MANAGER_QUERY_LOCK_STATUS |

                       SERVICE_STATES dwServiceState,

                       ref ENUM_SERVICE_STATUS lpServices,

SERVICE_STATES, SERVICE_TYPES, ENUM_SERVICE_STATUS, OpenSCManager, EnumServicesStatus, and OpenService

                 SERVICE_STATES.SERVICE_STATE_ALL,

                     SERVICE_STATES.SERVICE_STATE_ALL,

         ENUM_SERVICE_STATUS serviceStatus;

         serviceStatus = (ENUM_SERVICE_STATUS) Marshal.PtrToStructure( new IntPtr(iPtr), typeof(ENUM_SERVICE_STATUS) );

                             SERVICE_STATES.SERVICE_STATE_ALL,

                             SERVICE_STATES.SERVICE_STATE_ALL,

                 ENUM_SERVICE_STATUS depService;

                 depService = (ENUM_SERVICE_STATUS) Marshal.PtrToStructure( new IntPtr(iDepPtr), typeof(ENUM_SERVICE_STATUS) );

                 iDepPtr += ENUM_SERVICE_STATUS.SizeOf;

         iPtr += ENUM_SERVICE_STATUS.SizeOf;

      internal static ENUM_SERVICE_STATUS_PROCESS[] GetServices()

     List<ENUM_SERVICE_STATUS_PROCESS> result = new List<ENUM_SERVICE_STATUS_PROCESS>();

           ENUM_SERVICE_STATUS_PROCESS infoLevel = new ENUM_SERVICE_STATUS_PROCESS();

           if (!EnumServicesStatusEx(handle, SC_ENUM_PROCESS_INFO, (int)ServiceType.SERVICE_WIN32, (int)ServiceStateRequest.SERVICE_STATE_ALL, IntPtr.Zero, 0, out iBytesNeeded, out iServicesReturned, ref iResumeHandle, null))

          if (!EnumServicesStatusEx(handle, SC_ENUM_PROCESS_INFO, (int)ServiceType.SERVICE_WIN32, (int)ServiceStateRequest.SERVICE_STATE_ALL, buf, iBytesNeeded, out iBytesNeeded, out iServicesReturned, ref iResumeHandle, null))

          ENUM_SERVICE_STATUS_PROCESS serviceStatus;

            serviceStatus = (ENUM_SERVICE_STATUS_PROCESS)Marshal.PtrToStructure(new IntPtr(pointer),

               typeof(ENUM_SERVICE_STATUS_PROCESS));

            // incremement by sizeof(ENUM_SERVICE_STATUS_PROCESS) allow Packing of 8

            pointer += ENUM_SERVICE_STATUS_PROCESS.SizePack8;

            serviceStatus = (ENUM_SERVICE_STATUS_PROCESS)Marshal.PtrToStructure(new IntPtr(pointer),

               typeof(ENUM_SERVICE_STATUS_PROCESS));

            // incremement by sizeof(ENUM_SERVICE_STATUS_PROCESS) allow Packing of 4

            pointer += ENUM_SERVICE_STATUS_PROCESS.SizePack4;

      internal struct ENUM_SERVICE_STATUS_PROCESS

     internal static readonly int SizePack4 = Marshal.SizeOf(typeof(ENUM_SERVICE_STATUS_PROCESS));

     /// sizeof(ENUM_SERVICE_STATUS_PROCESS) allow Packing of 8 on 64 bit machines

     internal static readonly int SizePack8 = Marshal.SizeOf(typeof(ENUM_SERVICE_STATUS_PROCESS)) + 4;

     internal SERVICE_STATUS_PROCESS ServiceStatus;

      internal struct SERVICE_STATUS_PROCESS

      private enum ServiceStateRequest { SERVICE_ACTIVE = 0x1, SERVICE_INACTIVE = 0x2, SERVICE_STATE_ALL = (SERVICE_ACTIVE | SERVICE_INACTIVE) }

      private enum ServiceControlManagerType { SC_MANAGER_CONNECT = 0x1, SC_MANAGER_CREATE_SERVICE = 0x2, SC_MANAGER_ENUMERATE_SERVICE = 0x4, SC_MANAGER_LOCK = 0x8, SC_MANAGER_QUERY_LOCK_STATUS = 0x10, SC_MANAGER_MODIFY_BOOT_CONFIG = 0x20, SC_MANAGER_ALL_ACCESS = STANDARD_RIGHTS_REQUIRED | SC_MANAGER_CONNECT | SC_MANAGER_CREATE_SERVICE | SC_MANAGER_ENUMERATE_SERVICE | SC_MANAGER_LOCK | SC_MANAGER_QUERY_LOCK_STATUS | SC_MANAGER_MODIFY_BOOT_CONFIG }

        IS_TEXT_UNICODE_STATISTICS       = 0x0002,

        IS_TEXT_UNICODE_REVERSE_STATISTICS   = 0x0020,

    Private NT_STATUS_OBJECT_NAME_NOT_FOUND As Integer = &HC0000034

    Private NT_STATUS_OBJECT_NAME_NOT_FOUND As Integer = &HC0000034

    Private NT_STATUS_OBJECT_NAME_NOT_FOUND As Integer = &HC0000034

    If ret <> 0 And ret <> NT_STATUS_OBJECT_NAME_NOT_FOUND Then

internal static extern NET_API_STATUS NetValidatePasswordPolicy(

    public NET_API_STATUS ValidationStatus;

internal enum NET_API_STATUS : uint

private static extern NET_API_STATUS NetValidatePasswordPolicyFree(ref IntPtr OutputArg);

        NET_API_STATUS status = NetValidatePasswordPolicy(serverName, IntPtr.Zero, NET_VALIDATE_PASSWORD_TYPE.NetValidatePasswordChange, inputPointer, ref outputPointer);

        if (status == NET_API_STATUS.NERR_Success)

            if (outputArgs.ValidationStatus == NET_API_STATUS.NERR_Success)

    SC_MANAGER_QUERY_LOCK_STATUS = 0x00010,

        SC_MANAGER_QUERY_LOCK_STATUS |

        SC_MANAGER_QUERY_LOCK_STATUS,

    SC_MANAGER_QUERY_LOCK_STATUS = &H10

    SC_MANAGER_QUERY_LOCK_STATUS Or _

    SC_MANAGER_QUERY_LOCK_STATUS

    Const SC_MANAGER_QUERY_LOCK_STATUS As Int32 = &H10

                        SC_MANAGER_QUERY_LOCK_STATUS Or _

For infoLevel only SC_STATUS_PROCESS_INFO (0x0) is allowed .

See SERVICE_STATUS_PROCESS definition.

    public static SERVICE_STATUS_PROCESS QueryServiceStatusEx(IntPtr serviceHandle)

        return (SERVICE_STATUS_PROCESS)Marshal.PtrToStructure(buf, typeof(SERVICE_STATUS_PROCESS));

For infoLevel only SC_STATUS_PROCESS_INFO (0x0) is allowed .

See SERVICE_STATUS_PROCESS definition.

//NB for this code to work you will need to change the SERVICE_STATUS_PROCESS class to a struct

    public static SERVICE_STATUS_PROCESS QueryServiceStatusEx(SafeHandle serviceHandle)

             pData = Marshal.AllocHGlobal(sizeof(SERVICE_STATUS_PROCESS));

            bool bOk = QueryServiceStatusEx(serviceHandle.DangerousGetHandle(), 0, pData, sizeof(SERVICE_STATUS_PROCESS), out

            SERVICE_STATUS_PROCESS pStatus = (SERVICE_STATUS_PROCESS)Marshal.PtrToStructure(pData, typeof(SERVICE_STATUS_PROCESS));

public struct SERVICE_STATUS_PROCESS

Public Structure SERVICE_STATUS_PROCESS

  /// If MAPI_OLE_STATIC is also set, the attachment is a static OLE object.

  /// If MAPI_OLE_STATIC is not set, the attachment is an embedded OLE object.

  public const uint MAPI_OLE_STATIC = 0x00000002;

    Public Const MAPI_OLE_STATIC As UInteger = &H2

    public static PropertyKey PKEY_Status = new PropertyKey( 0x000214A1, 0x0000, 0x0000, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46, 9);

    public static PropertyKey PKEY_GPS_Status = new PropertyKey( 0x125491F4, 0x818F, 0x46B2, 0x91, 0xB5, 0xD5, 0x37, 0x75, 0x36, 0x17, 0xB2, 100);

    public static PropertyKey PKEY_Link_Status = new PropertyKey( 0xB9B4B3FC, 0x2B51, 0x4A42, 0xB5, 0xD8, 0x32, 0x41, 0x46, 0xAF, 0xCF, 0x25, 3);

    public static PropertyKey PKEY_RecordedTV_StationCallSign = new PropertyKey( 0x6D748DE2, 0x8D38, 0x4CC3, 0xAC, 0x60, 0xF0, 0x09, 0xB0, 0x57, 0xC5, 0x57, 5);

    public static PropertyKey PKEY_RecordedTV_StationName = new PropertyKey( 0x1B5439E7, 0xEBA1, 0x4AF8, 0xBD, 0xD7, 0x7A, 0xF1, 0xD4, 0x54, 0x94, 0x93, 100);

    public static PropertyKey PKEY_Hardware_Status = new PropertyKey(0x5EAF3EF2, 0xE0CA, 0x4598, 0xBF, 0x06, 0x71, 0xED, 0x1D, 0x9D, 0xD9, 0x53, 4096);

    public static PropertyKey WPD_IMAGE_CROPPED_STATUS = new PropertyKey(0x63D64908, 0x9FA1, 0x479F, 0x85, 0xBA, 0x99, 0x52, 0x21, 0x64, 0x47, 0xDB, 4);

    public static PropertyKey WPD_IMAGE_COLOR_CORRECTED_STATUS = new PropertyKey(0x63D64908, 0x9FA1, 0x479F, 0x85, 0xBA, 0x99, 0x52, 0x21, 0x64, 0x47, 0xDB, 5);

    public static PropertyKey WPD_VIDEO_RECORDEDTV_STATION_NAME = new PropertyKey(0x346F2163, 0xF998, 0x4146, 0x8B, 0x01, 0xD1, 0x9B, 0x4C, 0x00, 0xDE, 0x9A, 4);

    public static PropertyKey WPD_TASK_STATUS = new PropertyKey(0xE354E95E, 0xD8A0, 0x4637, 0xA0, 0x3A, 0x0C, 0xB2, 0x68, 0x38, 0xDB, 0xC7, 6);

    public static PropertyKey WPD_EVENT_PARAMETER_OPERATION_STATE = new PropertyKey(0x15AB1953, 0xF817, 0x4FEF, 0xA9, 0x21, 0x56, 0x76, 0xE8, 0x38, 0xF6, 0xE0, 4);

    public static PropertyKey SENSOR_EVENT_PARAMETER_STATE = new PropertyKey(0X64346E30, 0X8728, 0X4B34, 0XBD, 0XF6, 0X4F, 0X52, 0X44, 0X2C, 0X5C, 0X28, 3); // [VT_UI4]

    public static PropertyKey SENSOR_PROPERTY_STATE = new PropertyKey(0X7F8383EC, 0XD3EC, 0X495C, 0XA8, 0XCF, 0XB8, 0XBB, 0XE8, 0X5C, 0X29, 0X20, 3); //[VT_UI4]

    public static PropertyKey SENSOR_DATA_TYPE_STATE_PROVINCE = new PropertyKey(0X055C74D8, 0XCA6F, 0X47D6, 0X95, 0XC6, 0X1E, 0XD3, 0X63, 0X7A, 0X0F, 0XF4, 26); //[VT_LPWSTR]

    public static PropertyKey SENSOR_DATA_TYPE_GPS_STATUS = new PropertyKey(0X055C74D8, 0XCA6F, 0X47D6, 0X95, 0XC6, 0X1E, 0XD3, 0X63, 0X7A, 0X0F, 0XF4, 33); //[VT_I4]

    public static PropertyKey SENSOR_DATA_TYPE_DIFFERENTIAL_REFERENCE_STATION_ID = new PropertyKey(0X055C74D8, 0XCA6F, 0X47D6, 0X95, 0XC6, 0X1E, 0XD3, 0X63, 0X7A, 0X0F, 0XF4, 37); //[VT_I4]

    public static PropertyKey SENSOR_DATA_TYPE_MOTION_STATE = new PropertyKey(0X3F8A69A2, 0X7C5, 0X4E48, 0XA9, 0X65, 0XCD, 0X79, 0X7A, 0XAB, 0X56, 0XD5, 9); //[VT_BOOL]

    public static PropertyKey SENSOR_DATA_TYPE_BOOLEAN_SWITCH_STATE = new PropertyKey(0X38564A7C, 0XF2F2, 0X49BB, 0X9B, 0X2B, 0XBA, 0X60, 0XF6, 0X6A, 0X58, 0XDF, 2); //[VT_BOOL]

    public static PropertyKey SENSOR_DATA_TYPE_MULTIVALUE_SWITCH_STATE = new PropertyKey(0X38564A7C, 0XF2F2, 0X49BB, 0X9B, 0X2B, 0XBA, 0X60, 0XF6, 0X6A, 0X58, 0XDF, 3); //[VT_R8]

    public static PropertyKey SENSOR_DATA_TYPE_TOUCH_STATE = new PropertyKey(0X2299288A, 0X6D9E, 0X4B0B, 0XB7, 0XEC, 0X35, 0X28, 0XF8, 0X9E, 0X40, 0XAF, 4); //[VT_BOOL]

    Const SC_MANAGER_QUERY_LOCK_STATUS As Int32 = &H10

                        SC_MANAGER_QUERY_LOCK_STATUS Or _

private const int SERVICE_QUERY_STATUS = 0x4;

    SERVICE_QUERY_STATUS |

Const SERVICE_QUERY_STATUS As Int32 = &H4

                    SERVICE_QUERY_STATUS Or _

    public const int ABN_STATECHANGE   = 0x0000000;

    public const int NIF_STATE          = 0x00000008;

    public const int OFFLINE_STATUS_LOCAL      = 0x0001;    // If open, it's open locally

    public const int OFFLINE_STATUS_REMOTE     = 0x0002;    // If open, it's open remotely

    public const int OFFLINE_STATUS_INCOMPLETE = 0x0004;    // The local copy is currently imcomplete.

    public const int ABN_STATECHANGE   = 0x0000000;

    public const int NIF_STATE          = 0x00000008;

    public const int OFFLINE_STATUS_LOCAL      = 0x0001;    // If open, it's open locally

    public const int OFFLINE_STATUS_REMOTE     = 0x0002;    // If open, it's open remotely

    public const int OFFLINE_STATUS_INCOMPLETE = 0x0004;    // The local copy is currently imcomplete.

public const int FSCTL_FILESYSTEM_GET_STATISTICS = 0x00090060;

        public const uint WS_EX_STATICEDGE    = 0x00020000;

    WS_EX_STATICEDGE       = 0x00020000,

  WS_EX_STATICEDGE = 131072

        public const int ERROR_SET_POWER_STATE_VETOED = 1140;

        public const int ERROR_SET_POWER_STATE_FAILED = 1141;

        public const int ERROR_INVALID_SERVER_STATE = 1352;

        public const int ERROR_INVALID_DOMAIN_STATE = 1353;

        public const int ERROR_BAD_LOGON_SESSION_STATE = 1365;

        public const int ERROR_RXACT_INVALID_STATE = 1369;

        public const int ERROR_INVALID_HANDLE_STATE = 1609;

        public const int ERROR_INVALID_PRINTER_STATE = 1906;

        public const int ERROR_STATIC_INIT = 4002;

        public const int ERROR_INVALID_STATE = 5023;

        public const int ERROR_RESMON_INVALID_STATE = 5084;

        public const int ERROR_CLUSTER_MEMBERSHIP_INVALID_STATE = 5890;

        public const int DNS_STATUS_FQDN = 9557;

        public const int DNS_STATUS_DOTTED_NAME = 9558;

        public const int DNS_STATUS_SINGLE_PART_NAME = 9559;

        public const int DNS_STATUS_CONTINUE_NEEDED = 9801;

        /// ERROR_IPSEC_IKE_NEG_STATUS_BEGIN

        public const int ERROR_IPSEC_IKE_NEG_STATUS_BEGIN = 13800;

        /// ERROR_IPSEC_IKE_NEG_STATUS_END

        public const int ERROR_IPSEC_IKE_NEG_STATUS_END = 13884;

        public const int OLE_E_STATIC = (int)(0x8004000B - 0x100000000);

        public const int DV_E_STATDATA = (int)(0x80040067 - 0x100000000);

        public const int OLE_S_STATIC = 0x00040001;

        public const int STG_E_STATUS_COPY_PROTECTION_FAILURE = (int)(0x80030305 - 0x100000000);

        public const int NTE_BAD_KEY_STATE = (int)(0x8009000B - 0x100000000);

        public const int NTE_BAD_HASH_STATE = (int)(0x8009000C - 0x100000000);

   ref FAX_DEVICE_STATUS DeviceStatus);

     [Out] out WLAN_HOSTED_NETWORK_STATUS pWlanHostedNetworkStatus,

WLAN_RADIO_STATE

WLAN_INTERFACE_STATE

WLAN_STATISTICS

private struct WLAN_RADIO_STATE

    public WLAN_PHY_RADIO_STATE[] PhyRadioState;

    public WLAN_RADIO_STATE(IntPtr ppData)

        // The first 4 bytes are the number of WLAN_PHY_RADIO_STATE structures.

        // Construct the array of WLAN_PHY_RADIO_STATE structures.

        PhyRadioState = new WLAN_PHY_RADIO_STATE[dwNumberOfPhys];

            // structure. The length of the WLAN_PHY_RADIO_STATE structure is 12 bytes

            // Construct the WLAN_PHY_RADIO_STATE structure, marshal the unmanaged

            PhyRadioState[i] = (WLAN_PHY_RADIO_STATE)Marshal.PtrToStructure(pPhyList, typeof(WLAN_PHY_RADIO_STATE));

    Private Structure WLAN_RADIO_STATE

    Public PhyRadioState As WLAN_PHY_RADIO_STATE()

        ' The first 4 bytes are the number of WLAN_PHY_RADIO_STATE structures.

        ' Construct the array of WLAN_PHY_RADIO_STATE structures.

        PhyRadioState = New WLAN_PHY_RADIO_STATE(dwNumberOfPhys - 1) {}

        ' structure. The length of the WLAN_PHY_RADIO_STATE structure is 12 bytes

        ' Construct the WLAN_PHY_RADIO_STATE structure, marshal the unmanaged

        PhyRadioState(i) = DirectCast(Marshal.PtrToStructure(pPhyList, GetType(WLAN_PHY_RADIO_STATE)), WLAN_PHY_RADIO_STATE)

    public struct WLAN_STATISTICS {

            public WLAN_MAC_FRAME_STATISTICS MacUcastCounters;

            public WLAN_MAC_FRAME_STATISTICS MacMcastCounters;

            public WLAN_PHY_FRAME_STATISTICS[] PhyCounters;

    Public Structure WLAN_STATISTICS

            Public MacUcastCounters As WLAN_MAC_FRAME_STATISTICS

            Public MacMcastCounters As WLAN_MAC_FRAME_STATISTICS

            Public PhyCounters() As WLAN_PHY_FRAME_STATISTICS

static extern uint RasGetConnectionStatistics(IntPtr hRasConn, ref RAS_STATS lpStatistics);

     ByRef lpStatistics As RAS_STATS) As UInt32

RAS_STATS.

RAS_STATS statistics = new RAS_STATS();

    public enum IF_OPER_STATUS : uint

    public enum IP_DAD_STATE : uint

        public IP_DAD_STATE DadState;

        public IF_OPER_STATUS OperStatus;

      public enum MIB_TCP_STATE {

      MIB_TCP_STATE_CLOSED,

      MIB_TCP_STATE_LISTEN,

      MIB_TCP_STATE_SYN_SENT,

      MIB_TCP_STATE_SYN_RCVD,

      MIB_TCP_STATE_ESTAB,

      MIB_TCP_STATE_FIN_WAIT1,

      MIB_TCP_STATE_FIN_WAIT2,

      MIB_TCP_STATE_CLOSE_WAIT,

      MIB_TCP_STATE_CLOSING,

      MIB_TCP_STATE_LAST_ACK,

      MIB_TCP_STATE_TIME_WAIT,

      MIB_TCP_STATE_DELETE_TCB

        SO_BSP_STATE        =   0x1009,

    [DllImport("Netapi32.dll", CharSet = CharSet.Auto/*, SetLastError=true //Return value (NET_API_STATUS) contains error */)]

        Dim state As DFS_STORAGE_STATES

    DFS_STORAGE_STATES state;

[2014-02-27] The function does not set the last error value, the error is returned directly and is in NET_API_STATUS format /Stoyan Sabev/

            if (storage.State == (DFS_STORAGE_STATE_ACTIVE | DFS_STORAGE_STATE_ONLINE)) ActiveOnlineServer = storage.ServerName;

            if (storage.State == (DFS_STORAGE_STATE_ACTIVE | DFS_STORAGE_STATE_ONLINE))

[DllImport("Netapi32.dll", CharSet=CharSet.Unicode/*, SetLastError=true //Return value (NET_API_STATUS) contains error */)]

[Stoyan Sabev] The function does not set the last error value, the error is returned directly and is NET_API_STATUS form

    'NET_API_STATUS NetFileClose(

    'NET_API_STATUS NetFileEnum(

    ByRef bufferType As NETSETUP_JOIN_STATUS) _

    As NET_API_STATUS

} // NETSETUP_JOIN_STATUS

NET_API_STATUS - Possible return values are NERR_Success and ERROR_NOT_ENOUGH_MEMORY

Public Enum NETSETUP_JOIN_STATUS As UInteger

    Public GroupType As NETSETUP_JOIN_STATUS

Public Enum NET_API_STATUS As UInteger

Public Enum NETSETUP_JOIN_STATUS As UInteger

        ByRef bufferType As NETSETUP_JOIN_STATUS) _

        As NET_API_STATUS

        (ByVal lpBuffer As IntPtr) As NET_API_STATUS

        Dim status As NET_API_STATUS

            If status = NET_API_STATUS.NERR_Success Then

     As NET_API_STATUS

NET_API_STATUS - Possible value are NERR_Success, ERROR_NOT_ENOUGH_MEMORY and ERROR_INVALID_PARAMETER.

     If NetRemoteComputerSupports(ComputerName, Wanted, supports) = NET_API_STATUS.NERR_Success Then

NET_API_STATUS NetSessionDel(

        ERROR_INVALID_HANDLE_STATE = 1609,

using NET_API_STATUS = System.UInt32;

internal static extern NET_API_STATUS NetUseAdd(

     internal DWORD  ui2_status;

using NET_API_STATUS = System.UInt32;

        internal static extern NET_API_STATUS NetUseEnum(

    ByRef resumeHandle As IntPtr) As NET_API_STATUS

        internal DWORD  ui2_status;

    Public ui2_status As UInt32

    Private Enum NET_USE_STATUS As UInteger

    ERROR_INVALID_HANDLE_STATE = 1609,

    ERROR_INVALID_HANDLE_STATE = 1609

  // SCARD_ATTR_ATR_STRING = SCARD_ATTR_VALUE(SCARD_CLASS_ICC_STATE, 0x0303) in WinSCard.h

private const int SCARD_STATE_UNAWARE = 0x00000000;

  rs[0].dwCurrentState = SCARD_STATE_UNAWARE;

            EVENT_MODIFY_STATE    = 0x00000002,

            MUTEX_MODIFY_STATE    = 0x00000001,

            SEMAPHORE_MODIFY_STATE    = 0x00000002,

            TIMER_MODIFY_STATE    = 0x00000002,

            TIMER_QUERY_STATE    = 0x00000001

                IntPtr hMutex = Native.OpenMutex( ( uint ) ( Native.SyncObjectAccess.MUTEX_MODIFY_STATE ), false, name );

                        hMutex = Native.OpenMutex( ( uint ) ( Native.SyncObjectAccess.MUTEX_MODIFY_STATE ), false, name );

static extern bool GetSystemPowerStatus(out SYSTEM_POWER_STATUS

SYSTEM_POWER_STATUS

See Also: NCB, LANA_ENUM, ADAPTER_STATUS, NAME_BUFFER

   Dim adapt As ADAPTER_STATUS

   Dim myAdapt As New ADAPTER_STATUS

  const uint EVENT_MODIFY_STATE        = 0x0002 ;

        EVENT_MODIFY_STATE        = 0x00000002,

        MUTEX_MODIFY_STATE        = 0x00000001,

        SEMAPHORE_MODIFY_STATE    = 0x00000002,

        TIMER_MODIFY_STATE        = 0x00000002,

        TIMER_QUERY_STATE        = 0x00000001

  IntPtr handle= OpenEvent(EVENT_ALL_ACCESS | EVENT_MODIFY_STATE, false, name);