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Versions in this module

v0

v0.4.1

Dec 9, 2025

Changes in this version

+ var IID_IOPCServerList = windows.GUID

+ func InitializeWithConfig(config *InitConfig) error

+ type IOPCServerList struct

+ func (sl *IOPCServerList) CLSIDFromProgID(szProgID string) (*windows.GUID, error)

+ func (sl *IOPCServerList) EnumClassesOfCategories(rgcatidImpl []windows.GUID, rgcatidReq []windows.GUID) (ppenumClsid *IEnumGUID, err error)

+ func (sl *IOPCServerList) GetClassDetails(guid *windows.GUID) (*uint16, *uint16, error)

+ func (sl *IOPCServerList) Vtbl() *IOPCServerListVtbl

+ type InitConfig struct

+ AuthLevel uint32

+ Capabilities uint32

+ ImpLevel uint32

+ func DefaultInitConfig() *InitConfig

v0.4.0

Dec 5, 2025

v0.3.4

Sep 22, 2025

Changes in this version

+ const EOAC_ACCESS_CONTROL

+ const EOAC_ANY_AUTHORITY

+ const EOAC_APPID

+ const EOAC_AUTO_IMPERSONATE

+ const EOAC_DEFAULT

+ const EOAC_DISABLE_AAA

+ const EOAC_DYNAMIC

+ const EOAC_DYNAMIC_CLOAKING

+ const EOAC_MAKE_FULLSIC

+ const EOAC_MUTUAL_AUTH

+ const EOAC_NONE

+ const EOAC_NO_CUSTOM_MARSHAL

+ const EOAC_REQUIRE_FULLSIC

+ const EOAC_RESERVED1

+ const EOAC_SECURE_REFS

+ const EOAC_STATIC_CLOAKING

+ const RPC_C_AUTHN_LEVEL_CALL

+ const RPC_C_AUTHN_LEVEL_CONNECT

+ const RPC_C_AUTHN_LEVEL_DEFAULT

+ const RPC_C_AUTHN_LEVEL_NONE

+ const RPC_C_AUTHN_LEVEL_PKT

+ const RPC_C_AUTHN_LEVEL_PKT_INTEGRITY

+ const RPC_C_AUTHN_LEVEL_PKT_PRIVACY

+ const RPC_C_IMP_LEVEL_ANONYMOUS

+ const RPC_C_IMP_LEVEL_DEFAULT

+ const RPC_C_IMP_LEVEL_DELEGATE

+ const RPC_C_IMP_LEVEL_IDENTIFY

+ const RPC_C_IMP_LEVEL_IMPERSONATE

+ func CoInitializeSecurity(authnLevel, impLevel, capabilities uint32) (err error)

v0.3.3

Oct 16, 2024

v0.3.2

Sep 29, 2024

v0.3.1

Sep 3, 2024

v0.3.0

Jun 21, 2024

Changes in this version

type IOPCServerList2

+ func (sl *IOPCServerList2) EnumClassesOfCategories(rgcatidImpl []windows.GUID, rgcatidReq []windows.GUID) (ppenumClsid *IEnumGUID, err error)

v0.2.1

May 29, 2024

Changes in this version

type IOPCServerList2

+ func (sl *IOPCServerList2) CLSIDFromProgID(szProgID string) (*windows.GUID, error)

v0.2.0

Mar 16, 2024

Changes in this version

+ func BoolToComBOOL(b bool) int32

+ func Initialize()

+ func IsEqualGUID(guid1 *windows.GUID, guid2 *windows.GUID) bool

+ func IsLocal(host string) bool

+ func Uninitialize()

type IUnknown

+ func MakeCOMObjectEx(hostname string, serverLocation CLSCTX, requestedClass *windows.GUID, ...) (*IUnknown, error)

v0.1.0

Feb 21, 2024

Changes in this version

+ const CO_E_CLASSSTRING

+ const E_ABORT

+ const E_ACCESSDENIED

+ const E_FAIL

+ const E_HANDLE

+ const E_INVALIDARG

+ const E_NOINTERFACE

+ const E_NOTIMPL

+ const E_OUTOFMEMORY

+ const E_PENDING

+ const E_POINTER

+ const E_UNEXPECTED

+ const ONETHOUSANDMILLISECONDS — windows/amd64

+ const OneMilliSecond — windows/amd64

+ const S_OK

+ var CLSID_OpcServerList = windows.GUID

+ var IID_IConnectionPointContainer = windows.GUID

+ var IID_IOPCAsyncIO2 = windows.GUID

+ var IID_IOPCBrowseServerAddressSpace = windows.GUID

+ var IID_IOPCCommon = windows.GUID

+ var IID_IOPCGroupStateMgt = windows.GUID

+ var IID_IOPCItemMgt = windows.GUID

+ var IID_IOPCItemProperties = windows.GUID

+ var IID_IOPCServer = windows.GUID

+ var IID_IOPCServerList2 = windows.GUID

+ var IID_IOPCSyncIO = windows.GUID

+ var IID_IUnknown = &windows.GUID

+ func BoolToBOOL(b bool) int32

+ func CoCreateInstanceEx(Clsid *windows.GUID, punkOuter *IUnknown, dwClsCtx CLSCTX, ...) (ret error)

+ func CoTaskMemFree(pv unsafe.Pointer)

+ func GetVariantDate(value uint64) (time.Time, error) — windows/amd64

+ func SysAllocStringLen(v string) (ss *uint16)

+ func SysFreeString(v *uint16) (err error)

+ func TimeToVariantDate(t time.Time) (uint64, error) — windows/amd64

+ func VariantClear(pvarg *VARIANT) (err error)

+ type CLSCTX uint32

+ const CLSCTX_LOCAL_SERVER

+ const CLSCTX_REMOTE_SERVER

+ type COAUTHIDENTITY struct

+ Domain *uint16

+ DomainLength uint32

+ Flags uint32

+ Password *uint16

+ PasswordLength uint32

+ User *uint16

+ UserLength uint32

+ type COAUTHINFO struct

+ DwAuthnLevel uint32

+ DwAuthnSvc uint32

+ DwAuthzSvc uint32

+ DwCapabilities uint32

+ DwImpersonationLevel uint32

+ PAuthIdentityData *COAUTHIDENTITY

+ PwszServerPrincName *uint16

+ type COSERVERINFO struct

+ DwReserved1 uint32

+ DwReserved2 uint32

+ PAuthInfo *COAUTHINFO

+ PwszName *uint16

+ type IConnectionPoint struct

+ func (p *IConnectionPoint) Advise(pUnkSink *IUnknown) (cookie uint32, err error)

+ func (p *IConnectionPoint) Unadvise(dwCookie uint32) error

+ func (p *IConnectionPoint) Vtbl() *IConnectionPointVtbl

+ type IConnectionPointContainer struct

+ func (c *IConnectionPointContainer) FindConnectionPoint(riid *windows.GUID) (*IConnectionPoint, error)

+ func (c *IConnectionPointContainer) Vtbl() *IConnectionPointContainerVtbl

+ type IConnectionPointContainerVtbl struct

+ EnumConnectionPoints uintptr

+ FindConnectionPoint uintptr

+ type IConnectionPointVtbl struct

+ Advise uintptr

+ EnumConnections uintptr

+ GetConnectionInterface uintptr

+ GetConnectionPointContainer uintptr

+ Unadvise uintptr

+ type IEnumGUID struct

+ func (ie *IEnumGUID) Next(celt uint32, rgelt *windows.GUID, pceltFetched *uint32) error

+ func (ie *IEnumGUID) Vtbl() *IEnumGUIDVtbl

+ type IEnumGUIDVtbl struct

+ Clone uintptr

+ Next uintptr

+ Reset uintptr

+ Skip uintptr

+ type IEnumString struct

+ func (sl *IEnumString) Next(celt uint32) (result []string, err error)

+ func (sl *IEnumString) Vtbl() *IEnumStringVtbl

+ type IEnumStringVtbl struct

+ Clone uintptr

+ Next uintptr

+ Reset uintptr

+ Skip uintptr

+ type IOPCAsyncIO2 struct

+ func (sl *IOPCAsyncIO2) Cancel2(dwCancelID uint32) (err error)

+ func (sl *IOPCAsyncIO2) Read(phServer []uint32, dwTransactionID uint32) (pdwCancelID uint32, ppErrors []int32, err error)

+ func (sl *IOPCAsyncIO2) Refresh2(dwSource OPCDATASOURCE, dwTransactionID uint32) (pdwCancelID uint32, err error)

+ func (sl *IOPCAsyncIO2) Vtbl() *IOPCAsyncIO2Vtbl

+ func (sl *IOPCAsyncIO2) Write(phServer []uint32, pItemValues []VARIANT, dwTransactionID uint32) (pdwCancelID uint32, ppErrors []int32, err error)

+ type IOPCAsyncIO2Vtbl struct

+ Cancel2 uintptr

+ GetEnable uintptr

+ Read uintptr

+ Refresh2 uintptr

+ SetEnable uintptr

+ Write uintptr

+ type IOPCBrowseServerAddressSpace struct

+ func (v *IOPCBrowseServerAddressSpace) BrowseOPCItemIDs(dwBrowseFilterType OPCBROWSETYPE, szFilterCriteria string, ...) (result []string, err error)

+ func (v *IOPCBrowseServerAddressSpace) ChangeBrowsePosition(dwBrowseDirection OPCBROWSEDIRECTION, szString string) (err error)

+ func (v *IOPCBrowseServerAddressSpace) GetItemID(szItemDataID string) (szItemID string, err error)

+ func (v *IOPCBrowseServerAddressSpace) QueryOrganization() (pNameSpaceType OPCNAMESPACETYPE, err error)

+ func (v *IOPCBrowseServerAddressSpace) Vtbl() *IOPCBrowseServerAddressSpaceVtbl

+ type IOPCBrowseServerAddressSpaceVtbl struct

+ BrowseAccessPaths uintptr

+ BrowseOPCItemIDs uintptr

+ ChangeBrowsePosition uintptr

+ GetItemID uintptr

+ QueryOrganization uintptr

+ type IOPCCommon struct

+ func (v *IOPCCommon) GetErrorString(dwError uint32) (str string, err error)

+ func (v *IOPCCommon) GetLocaleID() (pdwLcid uint32, err error)

+ func (v *IOPCCommon) QueryAvailableLocaleIDs() (result []uint32, err error)

+ func (v *IOPCCommon) SetClientName(szName string) (err error)

+ func (v *IOPCCommon) SetLocaleID(dwLcid uint32) (err error)

+ func (v *IOPCCommon) Vtbl() *IOPCCommonVtbl

+ type IOPCCommonVtbl struct

+ GetErrorString uintptr

+ GetLocaleID uintptr

+ QueryAvailableLocaleIDs uintptr

+ SetClientName uintptr

+ SetLocaleID uintptr

+ type IOPCGroupStateMgt struct

+ func (sl *IOPCGroupStateMgt) GetState() (pUpdateRate uint32, pActive bool, ppName string, pTimeBias int32, ...)

+ func (sl *IOPCGroupStateMgt) SetName(szName string) error

+ func (sl *IOPCGroupStateMgt) SetState(requestedUpdateRate *uint32, pActive *int32, pTimeBias *int32, ...) (pRevisedUpdateRate uint32, err error)

+ func (sl *IOPCGroupStateMgt) Vtbl() *IOPCGroupStateMgtVtbl

+ type IOPCGroupStateMgtVtbl struct

+ CloneGroup uintptr

+ GetState uintptr

+ SetName uintptr

+ SetState uintptr

+ type IOPCItemMgt struct

+ func (sl *IOPCItemMgt) AddItems(items []TagOPCITEMDEF) ([]TagOPCITEMRESULTStruct, []int32, error)

+ func (sl *IOPCItemMgt) RemoveItems(phServer []uint32) ([]int32, error)

+ func (sl *IOPCItemMgt) SetActiveState(phServer []uint32, bActive bool) ([]int32, error)

+ func (sl *IOPCItemMgt) SetClientHandles(phServer []uint32, phClient []uint32) ([]int32, error)

+ func (sl *IOPCItemMgt) SetDatatypes(phServer []uint32, pRequestedDatatypes []VT) ([]int32, error)

+ func (sl *IOPCItemMgt) ValidateItems(items []TagOPCITEMDEF, bBlobUpdate bool) ([]TagOPCITEMRESULTStruct, []int32, error)

+ func (sl *IOPCItemMgt) Vtbl() *IOPCItemMgtVtbl

+ type IOPCItemMgtVtbl struct

+ AddItems uintptr

+ CreateEnumerator uintptr

+ RemoveItems uintptr

+ SetActiveState uintptr

+ SetClientHandles uintptr

+ SetDatatypes uintptr

+ ValidateItems uintptr

+ type IOPCItemProperties struct

+ func (v *IOPCItemProperties) GetItemProperties(szItemID string, propertyIDs []uint32) (ppvData []interface{}, ppErrors []int32, err error)

+ func (v *IOPCItemProperties) LookupItemIDs(szItemID string, propertyIDs []uint32) (ppszNewItemIDs []string, ppErrors []int32, err error)

+ func (v *IOPCItemProperties) QueryAvailableProperties(szItemID string) (ppPropertyIDs []uint32, ppDescriptions []string, ppvtDataTypes []uint16, ...)

+ func (v *IOPCItemProperties) Vtbl() *IOPCItemPropertiesVtbl

+ type IOPCItemPropertiesVtbl struct

+ GetItemProperties uintptr

+ LookupItemIDs uintptr

+ QueryAvailableProperties uintptr

+ type IOPCServer struct

+ func (v *IOPCServer) AddGroup(szName string, bActive bool, dwRequestedUpdateRate uint32, hClientGroup uint32, ...) (phServerGroup uint32, pRevisedUpdateRate uint32, ppUnk *IUnknown, err error)

+ func (v *IOPCServer) GetStatus() (status *ServerStatus, err error)

+ func (v *IOPCServer) RemoveGroup(hServerGroup uint32, bForce bool) (err error)

+ func (v *IOPCServer) Vtbl() *IOPCServerVtbl

+ type IOPCServerList2 struct

+ func (sl *IOPCServerList2) EnumClassesOfCateGories(rgcatidImpl []windows.GUID, rgcatidReq []windows.GUID) (ppenumClsid *IEnumGUID, err error)

+ func (sl *IOPCServerList2) GetClassDetails(guid *windows.GUID) (*uint16, *uint16, *uint16, error)

+ func (sl *IOPCServerList2) Vtbl() *IOPCServerListVtbl

+ type IOPCServerListVtbl struct

+ CLSIDFromProgID uintptr

+ EnumClassesOfCategories uintptr

+ GetClassDetails uintptr

+ type IOPCServerVtbl struct

+ AddGroup uintptr

+ CreateGroupEnumerator uintptr

+ GetErrorString uintptr

+ GetGroupByName uintptr

+ GetStatus uintptr

+ RemoveGroup uintptr

+ type IOPCSyncIO struct

+ func (sl *IOPCSyncIO) Read(source OPCDATASOURCE, serverHandles []uint32) ([]*ItemState, []int32, error)

+ func (sl *IOPCSyncIO) Vtbl() *IOPCSyncIOVtbl

+ func (sl *IOPCSyncIO) Write(serverHandles []uint32, values []VARIANT) ([]int32, error)

+ type IOPCSyncIOVtbl struct

+ Read uintptr

+ Write uintptr

+ type IUnknown struct

+ LpVtbl *[1024]uintptr

+ func (v *IUnknown) QueryInterface(riid *windows.GUID, ppvObject unsafe.Pointer) (ret error)

+ func (v *IUnknown) Release() uint32

+ func (v *IUnknown) Vtbl() *IUnknownVtbl

+ type IUnknownVtbl struct

+ AddRef uintptr

+ QueryInterface uintptr

+ Release uintptr

+ type ItemState struct

+ ClientHandle int32

+ Quality uint16

+ Timestamp time.Time

+ Value interface{}

+ type MULTI_QI struct

+ Hr int32

+ PIID *windows.GUID

+ PItf *IUnknown

+ type OPCBROWSEDIRECTION uint32

+ type OPCBROWSETYPE uint32

+ type OPCDATASOURCE int32

+ type OPCNAMESPACETYPE uint32

+ type OPCSERVERSTATUS struct

+ DwBandWidth uint32

+ DwGroupCount uint32

+ DwServerState OPCServerState

+ FtCurrentTime windows.Filetime

+ FtLastUpdateTime windows.Filetime

+ FtStartTime windows.Filetime

+ SzVendorInfo *uint16

+ WBuildNumber uint16

+ WMajorVersion uint16

+ WMinorVersion uint16

+ WReserved uint16

+ type OPCServerState uint32

+ type SafeArray struct

+ Bounds [16]byte

+ Data uint32

+ Dimensions uint16

+ ElementsSize uint32

+ FeaturesFlag uint16

+ LocksAmount uint32

+ func (s *SafeArray) ToValueArray() (interface{}, error)

+ func (s *SafeArray) TotalElements(index uint32) (totalElements int32, err error)

+ type SafeArrayBound struct

+ Elements uint32

+ LowerBound int32

+ type ServerStatus struct

+ BandWidth uint32

+ BuildNumber uint16

+ CurrentTime time.Time

+ GroupCount uint32

+ LastUpdateTime time.Time

+ MajorVersion uint16

+ MinorVersion uint16

+ Reserved uint16

+ ServerState OPCServerState

+ StartTime time.Time

+ VendorInfo string

+ type TagOPCITEMDEF struct

+ BActive int32

+ DwBlobSize uint32

+ HClient uint32

+ PBlob *byte

+ SzAccessPath *uint16

+ SzItemID *uint16

+ VtRequested uint16

+ WReserved uint16

+ type TagOPCITEMRESULT struct

+ DwAccessRights uint32

+ DwBlobSize uint32

+ HServer uint32

+ PBlob *byte

+ VtCanonical uint16

+ WReserved uint16

+ func (result *TagOPCITEMRESULT) CloneToStruct() TagOPCITEMRESULTStruct

+ type TagOPCITEMRESULTStruct struct

+ AccessRights uint32

+ Blob []byte

+ NativeType uint16

+ Server uint32

+ type TagOPCITEMSTATE struct

+ FTimestamp windows.Filetime

+ HClient uint32

+ VDataValue VARIANT

+ WQuality uint16

+ WReserved uint16

+ type VARIANT struct — darwin/amd64, linux/amd64, windows/amd64

+ VT VT

+ Val int64

+ func (v *VARIANT) Clear() error

+ func (v *VARIANT) IsArray() bool

+ func (v *VARIANT) Value() interface{}

+ type VT uint16

+ const VT_ARRAY

+ const VT_BLOB

+ const VT_BLOB_OBJECT

+ const VT_BOOL

+ const VT_BSTR

+ const VT_BSTR_BLOB

+ const VT_BYREF

+ const VT_CARRAY

+ const VT_CF

+ const VT_CLSID

+ const VT_CY

+ const VT_DATE

+ const VT_DECIMAL

+ const VT_DISPATCH

+ const VT_EMPTY

+ const VT_ERROR

+ const VT_FILETIME

+ const VT_HRESULT

+ const VT_I1

+ const VT_I2

+ const VT_I4

+ const VT_I8

+ const VT_ILLEGAL

+ const VT_ILLEGALMASKED

+ const VT_INT

+ const VT_INT_PTR

+ const VT_LPSTR

+ const VT_LPWSTR

+ const VT_NULL

+ const VT_PTR

+ const VT_R4

+ const VT_R8

+ const VT_RECORD

+ const VT_RESERVED

+ const VT_SAFEARRAY

+ const VT_STORAGE

+ const VT_STORED_OBJECT

+ const VT_STREAM

+ const VT_STREAMED_OBJECT

+ const VT_TYPEMASK

+ const VT_UI1

+ const VT_UI2

+ const VT_UI4

+ const VT_UI8

+ const VT_UINT

+ const VT_UINT_PTR

+ const VT_UNKNOWN

+ const VT_USERDEFINED

+ const VT_VARIANT

+ const VT_VECTOR

+ const VT_VERSIONED_STREAM

+ const VT_VOID

+ type VariantWrapper struct

+ Variant *VARIANT

+ func NewVariant(val interface{}) (*VariantWrapper, error)

+ func (vw *VariantWrapper) Clear() error

+ func (vw *VariantWrapper) SetValue(val interface{}) error

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