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opcda.idl
资源名称：ixp425BSP.rar　[点击查看]
上传用户：luoyougen
上传日期：2008-05-12
资源大小：23136k
文件大小：20k
源码类别：

VxWorks

开发平台：

C/C++

opcda.idl：源码内容
  1. // OPCDA.IDL
  2. // REVISION:  10/14/98 04:00 PM (EST)
  3. // VERSIONINFO 2.0.0.0
  4. // 12/05/97 acc fixed UNCERTAIN bits, add AsyncIO2, OPCDataCallback, 
  5. //                OPCItemProperties,  BROWSE_TO
  6. // 06/19/98 acc change V2 uuids prior to final release
  7. //              to avoid conflict with 'old' OPCDA Automation uuids
  8. // 10/14/98 acc change asynchio2::refresh() to refresh2() to avoid footprint
  9. //               conflict for implementors using multiple inheritance.
  10. //
  12. #ifdef _WIN32
  13. import "oaidl.idl" ;
  14. #else
  15. import "vxidl.idl";
  16. #endif
  18. typedef enum tagOPCDATASOURCE { 
  19.     OPC_DS_CACHE = 1, 
  20.     OPC_DS_DEVICE } OPCDATASOURCE ;
  22. typedef enum tagOPCBROWSETYPE { 
  23.     OPC_BRANCH = 1, 
  24.     OPC_LEAF, 
  25.     OPC_FLAT} OPCBROWSETYPE;
  27. typedef enum tagOPCNAMESPACETYPE { 
  28.     OPC_NS_HIERARCHIAL = 1, 
  29.     OPC_NS_FLAT} OPCNAMESPACETYPE;
  31. typedef enum tagOPCBROWSEDIRECTION { 
  32.     OPC_BROWSE_UP = 1, 
  33.     OPC_BROWSE_DOWN, OPC_BROWSE_TO} OPCBROWSEDIRECTION;
  35. // **NOTE** the 1.0 IDL contained an error for ACCESSRIGHTS. 
  36. // They should not have been an ENUM.
  37. // They should have been two mask bits as noted here.
  38. cpp_quote("#define OPC_READABLE    1")
  39. cpp_quote("#define OPC_WRITEABLE   2")
  41. typedef enum tagOPCEUTYPE { 
  42.     OPC_NOENUM = 0, 
  43.     OPC_ANALOG, 
  44.     OPC_ENUMERATED } OPCEUTYPE;
  46. typedef enum tagOPCSERVERSTATE { 
  47.     OPC_STATUS_RUNNING = 1, 
  48.     OPC_STATUS_FAILED, 
  49.     OPC_STATUS_NOCONFIG, 
  50.     OPC_STATUS_SUSPENDED, 
  51.     OPC_STATUS_TEST } OPCSERVERSTATE;
  53. typedef enum tagOPCENUMSCOPE { OPC_ENUM_PRIVATE_CONNECTIONS = 1, 
  54.     OPC_ENUM_PUBLIC_CONNECTIONS, 
  55.     OPC_ENUM_ALL_CONNECTIONS, 
  56.     OPC_ENUM_PRIVATE, 
  57.     OPC_ENUM_PUBLIC, 
  58.     OPC_ENUM_ALL } OPCENUMSCOPE;
  60. typedef DWORD OPCHANDLE;
  62. typedef struct tagOPCGROUPHEADER {
  63.     DWORD       dwSize;
  64.     DWORD       dwItemCount;
  65.     OPCHANDLE   hClientGroup;
  66.     DWORD       dwTransactionID;
  67.     HRESULT     hrStatus;
  68. } OPCGROUPHEADER;
  70. typedef struct tagOPCITEMHEADER1 {
  71.     OPCHANDLE   hClient;
  72.     DWORD       dwValueOffset;
  73.     WORD        wQuality;
  74.     WORD        wReserved;
  75.     FILETIME    ftTimeStampItem;
  76. } OPCITEMHEADER1;
  78. typedef struct tagOPCITEMHEADER2 {
  79.     OPCHANDLE   hClient;
  80.     DWORD       dwValueOffset;
  81.     WORD        wQuality;
  82.     WORD        wReserved;
  83. } OPCITEMHEADER2;
  85. typedef struct tagOPCGROUPHEADERWRITE {
  86.     DWORD       dwItemCount;
  87.     OPCHANDLE   hClientGroup;
  88.     DWORD       dwTransactionID;
  89.     HRESULT     hrStatus;
  90. } OPCGROUPHEADERWRITE;
  92. typedef struct tagOPCITEMHEADERWRITE {
  93.     OPCHANDLE   hClient;
  94.     HRESULT     dwError;
  95. } OPCITEMHEADERWRITE;
  97. typedef struct tagOPCITEMSTATE{
  98.     OPCHANDLE   hClient;
  99.     FILETIME    ftTimeStamp;
  100.     WORD        wQuality;
  101.     WORD        wReserved;
  102.     VARIANT     vDataValue;
  103. } OPCITEMSTATE;
  105. typedef struct tagOPCSERVERSTATUS {
  106.            FILETIME       ftStartTime;
  107.            FILETIME       ftCurrentTime;
  108.            FILETIME       ftLastUpdateTime;
  109.            OPCSERVERSTATE dwServerState;
  110.            DWORD          dwGroupCount; 
  111.            DWORD          dwBandWidth;
  112.            WORD           wMajorVersion;
  113.            WORD           wMinorVersion;
  114.            WORD           wBuildNumber;
  115.            WORD           wReserved;
  116.   [string] LPWSTR         szVendorInfo;
  117. } OPCSERVERSTATUS;
  119. typedef struct tagOPCITEMDEF {
  120.   [string]              LPWSTR     szAccessPath;
  121.   [string]              LPWSTR     szItemID;
  122.                         BOOL       bActive ;
  123.                         OPCHANDLE  hClient;
  124.                         DWORD      dwBlobSize;
  125.   [size_is(dwBlobSize)] BYTE     * pBlob;
  126.                         VARTYPE    vtRequestedDataType;
  127.                         WORD       wReserved;
  128. } OPCITEMDEF;
  130. typedef struct tagOPCITEMATTRIBUTES {
  131.   [string]              LPWSTR     szAccessPath;
  132.   [string]              LPWSTR     szItemID;
  133.                         BOOL       bActive;
  134.                         OPCHANDLE  hClient;
  135.                         OPCHANDLE  hServer;
  136.                         DWORD      dwAccessRights;
  137.                         DWORD      dwBlobSize;
  138.   [size_is(dwBlobSize)] BYTE     * pBlob;
  139.                         VARTYPE    vtRequestedDataType;
  140.                         VARTYPE    vtCanonicalDataType;
  141.                         OPCEUTYPE  dwEUType;
  142.                         VARIANT    vEUInfo;
  143. } OPCITEMATTRIBUTES;
  145. typedef struct tagOPCITEMRESULT {
  146.                         OPCHANDLE  hServer;
  147.                         VARTYPE    vtCanonicalDataType;
  148.                         WORD       wReserved;
  149.                         DWORD      dwAccessRights;
  150.                         DWORD      dwBlobSize;
  151.   [size_is(dwBlobSize)] BYTE     * pBlob;
  152. } OPCITEMRESULT;
  155. //****************************************************
  156. // OPC Quality flags 
  157. //
  158. // Masks for extracting quality subfields
  159. // (note 'status' mask also includes 'Quality' bits)
  160. //
  161. cpp_quote("#define    OPC_QUALITY_MASK            0xC0")
  162. cpp_quote("#define    OPC_STATUS_MASK             0xFC")
  163. cpp_quote("#define    OPC_LIMIT_MASK              0x03")
  165. // Values for QUALITY_MASK bit field
  166. //
  167. cpp_quote("#define    OPC_QUALITY_BAD             0x00")
  168. cpp_quote("#define    OPC_QUALITY_UNCERTAIN       0x40")
  169. cpp_quote("#define    OPC_QUALITY_GOOD            0xC0")
  171. // STATUS_MASK Values for Quality = BAD
  172. //
  173. cpp_quote("#define    OPC_QUALITY_CONFIG_ERROR    0x04")
  174. cpp_quote("#define    OPC_QUALITY_NOT_CONNECTED   0x08")
  175. cpp_quote("#define    OPC_QUALITY_DEVICE_FAILURE  0x0c")
  176. cpp_quote("#define    OPC_QUALITY_SENSOR_FAILURE  0x10")
  177. cpp_quote("#define    OPC_QUALITY_LAST_KNOWN      0x14")
  178. cpp_quote("#define    OPC_QUALITY_COMM_FAILURE    0x18")
  179. cpp_quote("#define    OPC_QUALITY_OUT_OF_SERVICE  0x1C")
  181. // STATUS_MASK Values for Quality = UNCERTAIN
  182. //
  183. cpp_quote("#define    OPC_QUALITY_LAST_USABLE     0x44")
  184. cpp_quote("#define    OPC_QUALITY_SENSOR_CAL      0x50")
  185. cpp_quote("#define    OPC_QUALITY_EGU_EXCEEDED    0x54")
  186. cpp_quote("#define    OPC_QUALITY_SUB_NORMAL      0x58")
  188. // STATUS_MASK Values for Quality = GOOD
  189. //
  190. cpp_quote("#define    OPC_QUALITY_LOCAL_OVERRIDE  0xD8")
  193. // Values for Limit Bitfield 
  194. //
  195. cpp_quote("#define    OPC_LIMIT_OK                0x00")
  196. cpp_quote("#define    OPC_LIMIT_LOW               0x01")
  197. cpp_quote("#define    OPC_LIMIT_HIGH              0x02")
  198. cpp_quote("#define    OPC_LIMIT_CONST             0x03")
  200. //****************************************************
  201. //Interface Definitions
  202. //
  203. //****************************************************
  204. [
  205.   object,
  206.   uuid(39c13a4d-011e-11d0-9675-0020afd8adb3),
  207.   pointer_default(unique)
  208. ]
  209. interface IOPCServer : IUnknown
  210. {
  211.   HRESULT AddGroup(
  212.     [in, string]        LPCWSTR     szName,
  213.     [in]                BOOL        bActive,
  214.     [in]                DWORD       dwRequestedUpdateRate,
  215.     [in]                OPCHANDLE   hClientGroup,
  216.     [unique, in]        LONG      * pTimeBias,
  217.     [unique, in]        FLOAT     * pPercentDeadband,
  218.     [in]                DWORD       dwLCID,
  219.     [out]               OPCHANDLE * phServerGroup,
  220.     [out]               DWORD     * pRevisedUpdateRate,
  221.     [in]                REFIID      riid,
  222.     [out, iid_is(riid)] LPUNKNOWN * ppUnk
  223.     );
  225.   HRESULT GetErrorString( 
  226.     [in]          HRESULT  dwError,
  227.     [in]          LCID     dwLocale,
  228.     [out, string] LPWSTR * ppString
  229.     );
  231.   HRESULT GetGroupByName(
  232.     [in, string]        LPCWSTR szName,
  233.     [in]                REFIID riid,
  234.     [out, iid_is(riid)] LPUNKNOWN * ppUnk
  235.     );
  237.   HRESULT GetStatus( 
  238.     [out] OPCSERVERSTATUS ** ppServerStatus
  239.     );
  241.   HRESULT RemoveGroup(
  242.     [in] OPCHANDLE hServerGroup,
  243.     [in] BOOL      bForce
  244.     );
  246.   HRESULT CreateGroupEnumerator(
  247.     [in] OPCENUMSCOPE dwScope, 
  248.     [in] REFIID       riid, 
  249.     [out, iid_is(riid)] LPUNKNOWN* ppUnk
  250.     );
  252. }
  254. //****************************************************
  255. [
  256.   object,
  257.   uuid(39c13a4e-011e-11d0-9675-0020afd8adb3),
  258.   pointer_default(unique)
  259. ]
  260. interface IOPCServerPublicGroups : IUnknown
  261. {
  262.   HRESULT GetPublicGroupByName(
  263.     [in, string]        LPCWSTR     szName,
  264.     [in]                REFIID      riid,
  265.     [out, iid_is(riid)] LPUNKNOWN * ppUnk
  266.     );
  268.   HRESULT RemovePublicGroup(
  269.     [in] OPCHANDLE hServerGroup,
  270.     [in] BOOL      bForce
  271.     );
  272. }
  275. //****************************************************
  276. [
  277.   object,
  278.   uuid(39c13a4f-011e-11d0-9675-0020afd8adb3),
  279.   pointer_default(unique)
  280. ]
  281. interface IOPCBrowseServerAddressSpace: IUnknown
  282. {
  283.   HRESULT QueryOrganization(
  284.     [out] OPCNAMESPACETYPE  * pNameSpaceType
  285.     );
  287.   HRESULT ChangeBrowsePosition(
  288.     [in]         OPCBROWSEDIRECTION dwBrowseDirection,  
  289.     [in, string] LPCWSTR            szString
  290.     );
  292.   HRESULT BrowseOPCItemIDs(
  293.     [in]         OPCBROWSETYPE   dwBrowseFilterType,
  294.     [in, string] LPCWSTR         szFilterCriteria,  
  295.     [in]         VARTYPE         vtDataTypeFilter,     
  296.     [in]         DWORD           dwAccessRightsFilter,
  297.     [out]        LPENUMSTRING  * ppIEnumString
  298.     );        
  300.   HRESULT GetItemID(
  301.     [in]          LPWSTR   szItemDataID,
  302.     [out, string] LPWSTR * szItemID
  303.     );
  305.   HRESULT BrowseAccessPaths(
  306.     [in, string] LPCWSTR        szItemID,  
  307.     [out]        LPENUMSTRING * ppIEnumString
  308.     );
  309. }
  313. //****************************************************
  314. [
  315.   object,
  316.   uuid(39c13a50-011e-11d0-9675-0020afd8adb3),
  317.   pointer_default(unique)
  318. ]
  319. interface IOPCGroupStateMgt : IUnknown
  320. {
  321.   HRESULT GetState(
  322.     [out]         DWORD     * pUpdateRate, 
  323.     [out]         BOOL      * pActive, 
  324.     [out, string] LPWSTR    * ppName,
  325.     [out]         LONG      * pTimeBias,
  326.     [out]         FLOAT     * pPercentDeadband,
  327.     [out]         DWORD     * pLCID,
  328.     [out]         OPCHANDLE * phClientGroup,
  329.     [out]         OPCHANDLE * phServerGroup
  330.     );
  332.   HRESULT SetState( 
  333.     [unique, in]  DWORD     * pRequestedUpdateRate, 
  334.     [out]         DWORD     * pRevisedUpdateRate, 
  335.     [unique, in]  BOOL      * pActive, 
  336.     [unique, in]  LONG      * pTimeBias,
  337.     [unique, in]  FLOAT     * pPercentDeadband,
  338.     [unique, in]  DWORD     * pLCID,
  339.     [unique, in]  OPCHANDLE * phClientGroup
  340.     );
  342.   HRESULT SetName( 
  343.     [in, string] LPCWSTR szName
  344.     );
  346.   HRESULT CloneGroup(
  347.     [in, string]        LPCWSTR     szName,
  348.     [in]                REFIID      riid,
  349.     [out, iid_is(riid)] LPUNKNOWN * ppUnk
  350.     );
  351. }
  355. //****************************************************
  356. [
  357.   object,
  358.   uuid(39c13a51-011e-11d0-9675-0020afd8adb3),
  359.   pointer_default(unique)
  360. ]
  361. interface IOPCPublicGroupStateMgt : IUnknown
  362. {
  363.   HRESULT GetState(
  364.     [out] BOOL * pPublic
  365.     );
  367.   HRESULT MoveToPublic(
  368.     void
  369.     );
  370. }
  374. //****************************************************
  375. [
  376.   object,
  377.   uuid(39c13a52-011e-11d0-9675-0020afd8adb3),
  378.   pointer_default(unique)
  379. ]
  380. interface IOPCSyncIO : IUnknown
  381. {
  382.   HRESULT Read(
  383.     [in]                        OPCDATASOURCE   dwSource,
  384.     [in]                        DWORD           dwCount, 
  385.     [in, size_is(dwCount)]      OPCHANDLE     * phServer, 
  386.     [out, size_is(,dwCount)]    OPCITEMSTATE ** ppItemValues,
  387.     [out, size_is(,dwCount)]    HRESULT      ** ppErrors
  388.     );
  390.   HRESULT Write(
  391.     [in]                        DWORD        dwCount, 
  392.     [in, size_is(dwCount)]      OPCHANDLE  * phServer, 
  393.     [in, size_is(dwCount)]      VARIANT    * pItemValues, 
  394.     [out, size_is(,dwCount)]    HRESULT   ** ppErrors
  395.     );
  396. }
  398. //****************************************************
  399. [
  400.   object,
  401.   uuid(39c13a53-011e-11d0-9675-0020afd8adb3),
  402.   pointer_default(unique)
  403. ]
  404. interface IOPCAsyncIO : IUnknown
  405. {
  406.   HRESULT Read(
  407.     [in]                        DWORD           dwConnection,
  408.     [in]                        OPCDATASOURCE   dwSource,
  409.     [in]                        DWORD           dwCount,
  410.     [in, size_is(dwCount)]      OPCHANDLE     * phServer,
  411.     [out]                       DWORD         * pTransactionID,
  412.     [out, size_is(,dwCount)]    HRESULT      ** ppErrors
  413.     );
  415.   HRESULT Write(
  416.     [in]                        DWORD       dwConnection,
  417.     [in]                        DWORD       dwCount, 
  418.     [in, size_is(dwCount)]      OPCHANDLE * phServer,
  419.     [in, size_is(dwCount)]      VARIANT   * pItemValues, 
  420.     [out]                       DWORD     * pTransactionID,
  421.     [out, size_is(,dwCount)]    HRESULT  ** ppErrors
  422.     );
  425.   HRESULT Refresh(
  426.     [in]  DWORD           dwConnection,
  427.     [in]  OPCDATASOURCE   dwSource,
  428.     [out] DWORD         * pTransactionID
  429.     );
  431.   HRESULT Cancel(
  432.     [in] DWORD dwTransactionID
  433.     );
  435. }
  438. //****************************************************
  439. [
  440.   object,
  441.   uuid(39c13a54-011e-11d0-9675-0020afd8adb3),
  442.   pointer_default(unique)
  443. ]
  444. interface IOPCItemMgt: IUnknown
  445. {
  446.   HRESULT AddItems( 
  447.     [in]                        DWORD            dwCount,
  448.     [in, size_is(dwCount)]      OPCITEMDEF     * pItemArray,
  449.     [out, size_is(,dwCount)]    OPCITEMRESULT ** ppAddResults,
  450.     [out, size_is(,dwCount)]    HRESULT       ** ppErrors
  451.     );
  453.   HRESULT ValidateItems( 
  454.     [in]                        DWORD             dwCount,
  455.     [in, size_is(dwCount)]      OPCITEMDEF      * pItemArray,
  456.     [in]                        BOOL              bBlobUpdate,
  457.     [out, size_is(,dwCount)]    OPCITEMRESULT  ** ppValidationResults,
  458.     [out, size_is(,dwCount)]    HRESULT        ** ppErrors
  459.     );
  461.   HRESULT RemoveItems( 
  462.     [in]                        DWORD        dwCount,
  463.     [in, size_is(dwCount)]      OPCHANDLE  * phServer,
  464.     [out, size_is(,dwCount)]    HRESULT   ** ppErrors
  465.     );
  467.   HRESULT SetActiveState(
  468.     [in]                        DWORD        dwCount,
  469.     [in, size_is(dwCount)]      OPCHANDLE  * phServer,
  470.     [in]                        BOOL         bActive, 
  471.     [out, size_is(,dwCount)]    HRESULT   ** ppErrors
  472.     );
  474.   HRESULT SetClientHandles(
  475.     [in]                        DWORD        dwCount,
  476.     [in, size_is(dwCount)]      OPCHANDLE  * phServer,
  477.     [in, size_is(dwCount)]      OPCHANDLE  * phClient,
  478.     [out, size_is(,dwCount)]    HRESULT   ** ppErrors
  479.     );
  481.   HRESULT SetDatatypes(
  482.     [in]                        DWORD        dwCount,
  483.     [in, size_is(dwCount)]      OPCHANDLE  * phServer,
  484.     [in, size_is(dwCount)]      VARTYPE    * pRequestedDatatypes,
  485.     [out, size_is(,dwCount)]    HRESULT   ** ppErrors
  486.     );
  487.  
  488.   HRESULT CreateEnumerator(
  489.     [in]                REFIID      riid,
  490.     [out, iid_is(riid)] LPUNKNOWN * ppUnk
  491.     );
  492. }
  495. //****************************************************
  496. [
  497.   object,
  498.   uuid(39c13a55-011e-11d0-9675-0020afd8adb3),
  499.   pointer_default(unique)
  500. ]
  501. interface IEnumOPCItemAttributes : IUnknown
  502. {
  503.   HRESULT Next( 
  504.     [in]  ULONG celt,
  505.     [out, size_is(,*pceltFetched)] OPCITEMATTRIBUTES ** ppItemArray,
  506.     [out] ULONG * pceltFetched 
  507.     );
  509.   HRESULT Skip( 
  510.     [in] ULONG celt
  511.     );
  513.   HRESULT Reset( 
  514.     void
  515.     );
  517.   HRESULT Clone( 
  518.     [out] IEnumOPCItemAttributes ** ppEnumItemAttributes
  519.     );
  520. }
  523. // Data Access V2.0 additions
  524. [
  525.   object,
  526.   uuid(39c13a70-011e-11d0-9675-0020afd8adb3),
  527.   pointer_default(unique)
  528. ]
  529. interface IOPCDataCallback : IUnknown
  530. {
  531. HRESULT OnDataChange(
  532.     [in]                 DWORD       dwTransid, 
  533.     [in]                 OPCHANDLE   hGroup, 
  534.     [in]                 HRESULT     hrMasterquality,
  535.     [in]                 HRESULT     hrMastererror,
  536.     [in]                 DWORD       dwCount, 
  537.     [in, size_is(dwCount)] OPCHANDLE * phClientItems, 
  538.     [in, size_is(dwCount)] VARIANT   * pvValues, 
  539.     [in, size_is(dwCount)] WORD      * pwQualities,
  540.     [in, size_is(dwCount)] FILETIME  * pftTimeStamps,
  541.     [in, size_is(dwCount)] HRESULT   * pErrors
  542. );
  544.   HRESULT OnReadComplete(
  545.     [in]                 DWORD       dwTransid, 
  546.     [in]                 OPCHANDLE   hGroup, 
  547.     [in]                 HRESULT     hrMasterquality,
  548.     [in]                 HRESULT     hrMastererror,
  549.     [in]                 DWORD       dwCount, 
  550.     [in, size_is(dwCount)] OPCHANDLE * phClientItems, 
  551.     [in, size_is(dwCount)] VARIANT   * pvValues, 
  552.     [in, size_is(dwCount)] WORD      * pwQualities,
  553.     [in, size_is(dwCount)] FILETIME  * pftTimeStamps,
  554.     [in, size_is(dwCount)] HRESULT   * pErrors
  555. );
  557.   HRESULT OnWriteComplete(
  558.     [in]                 DWORD       dwTransid, 
  559.     [in]                 OPCHANDLE   hGroup, 
  560.     [in]                 HRESULT     hrMastererr, 
  561.     [in]                 DWORD       dwCount, 
  562.     [in, size_is(dwCount)] OPCHANDLE * pClienthandles, 
  563.     [in, size_is(dwCount)] HRESULT   * pErrors
  564. );
  566.   HRESULT OnCancelComplete(
  567.     [in]                 DWORD       dwTransid, 
  568.     [in]                 OPCHANDLE   hGroup
  569. );
  571. }
  573. //****************************************************
  574. [
  575.   object,
  576.   uuid(39c13a71-011e-11d0-9675-0020afd8adb3),
  577.   pointer_default(unique)
  578. ]
  579. interface IOPCAsyncIO2 : IUnknown
  580. {
  581.   HRESULT Read(
  582.     [in]                        DWORD           dwCount,
  583.     [in, size_is(dwCount)]      OPCHANDLE     * phServer,
  584.     [in]                        DWORD           dwTransactionID,
  585.     [out]                       DWORD         * pdwCancelID,
  586.     [out, size_is(,dwCount)]    HRESULT      ** ppErrors
  587.     );
  589.   HRESULT Write(
  590.     [in]                        DWORD           dwCount, 
  591.     [in, size_is(dwCount)]      OPCHANDLE     * phServer,
  592.     [in, size_is(dwCount)]      VARIANT       * pItemValues, 
  593.     [in]                        DWORD           dwTransactionID,
  594.     [out]                       DWORD         * pdwCancelID,
  595.     [out, size_is(,dwCount)]    HRESULT      ** ppErrors
  596.     );
  599.   HRESULT Refresh2(
  600.     [in]                        OPCDATASOURCE   dwSource,
  601.     [in]                        DWORD           dwTransactionID,
  602.     [out]                       DWORD         * pdwCancelID
  603.     );
  605.   HRESULT Cancel2(
  606.     [in]                        DWORD           dwCancelID
  607.     );
  609.   HRESULT SetEnable(
  610.     [in]                        BOOL            bEnable
  611.     );
  613.   HRESULT GetEnable(
  614.     [out]                       BOOL           *pbEnable
  615.     );
  617. }
  620. //****************************************************
  621. [
  622.   object,
  623.   uuid(39c13a72-011e-11d0-9675-0020afd8adb3),
  624.   pointer_default(unique)
  625. ]
  626. interface IOPCItemProperties : IUnknown
  627. {
  628.   HRESULT QueryAvailableProperties ( 
  629.     [in]                          LPWSTR     szItemID,
  630.     [out]                         DWORD    * pdwCount,
  631.     [out, size_is(,*pdwCount)]    DWORD   ** ppPropertyIDs,
  632.     [out, size_is(,*pdwCount)]    LPWSTR  ** ppDescriptions,
  633.     [out, size_is(,*pdwCount)]    VARTYPE ** ppvtDataTypes
  634. );
  636.   HRESULT GetItemProperties ( 
  637.     [in]                         LPWSTR     szItemID,
  638.     [in]                         DWORD      dwCount,
  639.     [in, size_is(dwCount)]       DWORD    * pdwPropertyIDs,
  640.     [out, size_is(,dwCount)]     VARIANT ** ppvData,
  641.     [out, size_is(,dwCount)]     HRESULT ** ppErrors
  642. );
  644.   HRESULT LookupItemIDs( 
  645.     [in]                         LPWSTR     szItemID,
  646.     [in]                         DWORD      dwCount,
  647.     [in, size_is(dwCount)]       DWORD    * pdwPropertyIDs,
  648.     [out, string, size_is(,dwCount)] LPWSTR ** ppszNewItemIDs,
  649.     [out, size_is(,dwCount)]     HRESULT ** ppErrors
  650. );
  651. }
  654. // This TYPELIB is generated as a convenience to users of high level tools
  655. // which are capable of using or browsing TYPELIBs. 
  656. // 'Smart Pointers' in VC5 is one example.
  657. [
  658.     uuid(B28EEDB2-AC6F-11d1-84D5-00608CB8A7E9),
  659.     version(1.0),
  660.     helpstring("OPCDA 2.0 Type Library")
  661. ]
  662. library OPCDA
  663. {
  664.     importlib("stdole32.tlb");
  665.     importlib("stdole2.tlb");
  667.     interface IOPCServer ;
  668.     interface IOPCServerPublicGroups ;
  669.     interface IOPCBrowseServerAddressSpace;
  670.     interface IOPCGroupStateMgt ;
  671.     interface IOPCPublicGroupStateMgt ;
  672.     interface IOPCSyncIO ;
  673.     interface IOPCAsyncIO ;
  674.     interface IOPCItemMgt;
  675.     interface IEnumOPCItemAttributes ;
  676.     interface IOPCDataCallback ;
  677.     interface IOPCAsyncIO2 ;
  678.     interface IOPCItemProperties ;
  680. };