• Overview
  • Version 6.0 Changes
  • Components
  • Server Functionality
• Getting Started
• Server Development
  • Development Steps
  • Server Structure
    • Customization Plug-in File Structure
  • DLL Version Numbers
• HDAPluginDBANet4 Assembly
  • Overview
  • HDAPluginDBA Namespace
    • Overview
    • Classes
      • Browser
        • Overview
        • Members
        • Browser Constructor
        • Methods
          • ChangeBrowsePosition Method
          • CreateBrowser Method
          • DataFileExists Method
          • GetBranchPosition Method
          • GetEnum Method
          • GetItemFileName Method
          • GetItemHandles Method
          • GetItemID Method
          • ReleaseItemHandles Method
          • ValidateItemIDs Method
      • DBAPlugin
        • Overview
        • Members
        • DBAPlugin Constructor
        • Methods
          • DeleteAtTime Method
          • DeleteRaw Method
          • GetAnnotations Method
          • GetAttributeItemData Method
          • GetItemInfo Method
          • GetModifiedItemData Method
          • GetRawItemData Method
          • Insert Method
          • InsertAnnotation Method
          • InsertReplace Method
          • ProcessDatapoint Method
          • Replace Method
        • Properties
          • AnnotationCapabilities Property
          • updateCapabilities Property
        • Fields
          • Aggregates Field
          • fileLock Field
          • ItemAttributes Field
          • ItemHandles Field
          • ServerStatus Field
          • ServerStatusString Field
      • Definitions
        • Overview
        • Members
        • Definitions Constructor
        • Fields
          • AggregatesOPCbyID Field
          • AggregatesOPCbyName Field
          • AggregatesOPCdef Field
          • ItemAttributesOPCbyID Field
          • ItemAttributesOPCbyName Field
          • ItemAttributesOPCdef Field
• HDAPluginNet4 Assembly
  • Overview
  • HDAPlugin Namespace
    • Overview
    • Classes
      • AppBrowser
        • Overview
        • Members
        • AppBrowser Constructor
        • Methods
          • ChangeBrowsePosition Method
          • CreateBrowser Method
            • CreateBrowser(AppPlugin,Int32[],OperatorCodes[],Object[],Int32[]) Method
            • CreateBrowser(Int32[],OperatorCodes[],Object[],Int32[]) Method
          • GetBranchPosition Method
          • GetEnum Method
          • GetItemID Method
      • AppPlugin
        • Overview
        • Members
        • AppPlugin Constructor
        • Methods
          • AdviseProcessed Method
          • AdviseRaw Method
          • CancelAdviseRequest Method
          • CancelAnnotations Method
          • CancelAsyncRead Method
          • CancelPlayback Method
          • CancelUpdate Method
          • Finalize Method
          • GetAggregates Method
          • GetHistorianStatus Method
          • GetItemAttributes Method
          • GetItemHandles Method
          • GetServerRegistryDef Method
          • initPlaybackHandler Method
          • InsertAnnotations Method
            • InsertAnnotations(Int32[],DateTime[],AnnotationDef[],Int32[]) Method
            • InsertAnnotations(Int32,Int32[],DateTime[],AnnotationDef[],Int32,Int32[]) Method
          • PlaybackProcessed Method
          • PlaybackRaw Method
          • QueryAnnotationsCapabilities Method
          • QueryUpdateCapabilities Method
          • QueueAdviseProcessed Method
          • QueueAdviseRaw Method
          • QueueReadAtTime Method
          • QueueReadAttributes Method
          • QueueReadModified Method
          • QueueReadProcessed Method
          • QueueReadRaw Method
          • ReadAnnotations Method
            • ReadAnnotations(DateTime,DateTime,Int32[],AnnotationDef[],Int32[]) Method
            • ReadAnnotations(Int32,DateTime,DateTime,Int32[],Int32,Int32[]) Method
          • ReadAtTime Method
            • ReadAtTime(DateTime[],Int32[],OPCHDAItem[],Int32[]) Method
            • ReadAtTime(Int32,DateTime[],Int32[],Int32,Int32[]) Method
          • ReadAttribute Method
            • ReadAttribute(DateTime,DateTime,Int32,Int32[],OPCHDAAttribute[],Int32[]) Method
            • ReadAttribute(Int32,DateTime,DateTime,Int32,Int32[],Int32,Int32[]) Method
          • ReadModified Method
            • ReadModified(DateTime,DateTime,Int32,Int32[],OPCHDAModifiedItem[],Int32[]) Method
            • ReadModified(Int32,DateTime,DateTime,Int32,Int32[],Int32,Int32[]) Method
          • ReadProcessed Method
            • ReadProcessed(DateTime,DateTime,TimeSpan,Int32[],Int32[],OPCHDAItem[],Int32[]) Method
            • ReadProcessed(Int32,DateTime,DateTime,TimeSpan,Int32[],Int32[],Int32,Int32[]) Method
          • ReadRaw Method
            • ReadRaw(DateTime,DateTime,Int32,Boolean,Int32[],OPCHDAItem[],Int32[]) Method
            • ReadRaw(Int32,DateTime,DateTime,Int32,Boolean,Int32[],Int32,Int32[]) Method
          • ReleaseItemHandles Method
          • ShutdownSignal Method
          • UpdateDeleteAtTime Method
            • UpdateDeleteAtTime(Int32,Int32[],DateTime[],Int32,Int32[]) Method
            • UpdateDeleteAtTime(Int32[],DateTime[],Int32[]) Method
          • UpdateDeleteRaw Method
            • UpdateDeleteRaw(Int32,DateTime,DateTime,Int32[],Int32,Int32[]) Method
            • UpdateDeleteRaw(DateTime,DateTime,Int32[],Int32[]) Method
          • UpdateInsert Method
            • UpdateInsert(Int32,Int32[],DateTime[],Object[],Int32[],Int32,Int32[]) Method
            • UpdateInsert(Int32[],DateTime[],Object[],Int32[],Int32[]) Method
          • UpdateInsertReplace Method
            • UpdateInsertReplace(Int32,Int32[],DateTime[],Object[],Int32[],Int32,Int32[]) Method
            • UpdateInsertReplace(Int32[],DateTime[],Object[],Int32[],Int32[]) Method
          • UpdateReplace Method
            • UpdateReplace(Int32,Int32[],DateTime[],Object[],Int32[],Int32,Int32[]) Method
            • UpdateReplace(Int32[],DateTime[],Object[],Int32[],Int32[]) Method
          • ValidateItemIDs Method
        • Fields
          • adviseThreadTerminate Field
          • areadRequest Field
          • myBrowser Field
          • readThreadTerminate Field
          • UserPlg Field
      • GenericServer
        • Overview
        • Members
        • GenericServer Constructor
        • Methods
          • CoInitForThread Method
          • DefineCallbacks Method
          • DefineCallbacksPE Method
          • OnCancelComplete Method
          • OnDataChange Method
          • OnInsertAnnotations Method
          • OnPlayback Method
          • OnReadAnnotations Method
          • OnReadAttributeComplete Method
          • OnReadComplete Method
          • OnReadModifiedComplete Method
          • OnUpdateComplete Method
          • UndefineCallbacks Method
        • Fields
          • StartTime Field
• I_HDAPluginDBANet4 Assembly
  • Overview
  • I_HDAPluginDBA Namespace
    • Overview
    • Classes
      • AnnotationRequest
        • Overview
        • Members
        • AnnotationRequest Constructor
        • Fields
          • data Field
          • item Field
      • AnnotationVal
        • Overview
        • Members
        • AnnotationVal Constructor
        • Fields
          • AnnotationTimes Field
          • Text Field
          • Timestamp Field
          • User Field
      • AnnotationValUpdate
        • Overview
        • Members
        • AnnotationValUpdate Constructor
        • Fields
          • argumentIndex Field
          • error Field
      • DataPoint
        • Overview
        • Members
        • DataPoint Constructor
        • Fields
          • quality Field
          • timestamp Field
          • val Field
      • DataPointAnnotation
        • Overview
        • Members
        • DataPointAnnotation Constructor
        • Fields
          • AnnotationTime Field
          • Text Field
          • timestamp Field
          • User Field
      • DataPointAttr
        • Overview
        • Members
        • DataPointAttr Constructor
        • Fields
          • attributeID Field
          • timestamp Field
          • val Field
      • DataPointModified
        • Overview
        • Members
        • DataPointModified Constructor
        • Fields
          • editType Field
          • modificationTime Field
          • quality Field
          • timestamp Field
          • user Field
          • val Field
      • DataPointUpdate
        • Overview
        • Members
        • DataPointUpdate Constructor
        • Fields
          • argumentIndex Field
          • error Field
      • DefAggregate
        • Overview
        • Members
        • DefAggregate Constructor
        • Fields
          • Description Field
          • Id Field
          • Name Field
      • DefItemAttribute
        • Overview
        • Members
        • DefItemAttribute Constructor
        • Fields
          • DataType Field
          • Description Field
          • Id Field
          • Name Field
      • DeletePoint
        • Overview
        • Members
        • DeletePoint Constructor
        • Fields
          • argumentIndex Field
          • error Field
          • timestamp Field
      • DeleteRequest
        • Overview
        • Members
        • DeleteRequest Constructor
        • Fields
          • item Field
          • points Field
      • HandleList
        • Overview
        • Members
        • HandleList Constructor
        • Methods
          • Add Method
            • Add(ItemInfo) Method
            • Add(Int32,ItemInfo) Method
            • Add(Int32,String) Method
          • Find Method
          • Lock Method
          • Remove Method
          • Unlock Method
      • HDAException
        • Overview
        • Members
        • HDAException Constructor
          • HDAException Constructor(Int32,String)
          • HDAException Constructor(Int32,Exception)
        • Properties
          • OpcError Property
      • HRESULTS
        • Overview
        • Members
        • HRESULTS Constructor
        • Methods
          • Failed Method
          • Succeeded Method
        • Fields
          • CONNECT_E_ADVISELIMIT Field
          • CONNECT_E_NOCONNECTION Field
          • E_ABORT Field
          • E_EXCEPTION Field
          • E_FAIL Field
          • E_INVALIDARG Field
          • E_NOINTERFACE Field
          • E_NOTIMPL Field
          • E_OUTOFMEMORY Field
          • OPC_E_BADRIGHTS Field
          • OPC_E_BADTYPE Field
          • OPC_E_DATAEXISTS Field
          • OPC_E_DUPLICATENAME Field
          • OPC_E_INVALID_PID Field
          • OPC_E_INVALIDAGGREGATE Field
          • OPC_E_INVALIDATTRID Field
          • OPC_E_INVALIDCONFIGFILE Field
          • OPC_E_INVALIDDATATYPE Field
          • OPC_E_INVALIDFILTER Field
          • OPC_E_INVALIDHANDLE Field
          • OPC_E_INVALIDITEMID Field
          • OPC_E_MAXEXCEEDED Field
          • OPC_E_NODATAEXISTS Field
          • OPC_E_NOT_AVAIL Field
          • OPC_E_NOTFOUND Field
          • OPC_E_PUBLIC Field
          • OPC_E_RANGE Field
          • OPC_E_UNKNOWNATTRID Field
          • OPC_E_UNKNOWNITEMID Field
          • OPC_E_UNKNOWNPATH Field
          • OPC_S_CLAMP Field
          • OPC_S_CURRENTVALUE Field
          • OPC_S_EXTRADATA Field
          • OPC_S_INSERTED Field
          • OPC_S_INUSE Field
          • OPC_S_MOREDATA Field
          • OPC_S_NODATA Field
          • OPC_S_REPLACED Field
          • OPC_S_UNSUPPORTEDRATE Field
          • OPC_W_NOFILTER Field
          • S_FALSE Field
          • S_OK Field
      • ItemInfo
        • Overview
        • Members
        • ItemInfo Constructor
        • Methods
          • Lock Method
          • Unlock Method
        • Fields
          • ClientHandle Field
          • DatabaseID Field
          • Name Field
          • ServerHandle Field
          • Tag Field
      • UpdateRequest
        • Overview
        • Members
        • UpdateRequest Constructor
        • Fields
          • data Field
          • item Field
    • Enumerations
      • AggregateType
      • BrowseDirection
      • BrowseType
      • HDAEditType
      • HDAServerStatus
      • OPCHDAQuality
      • OperatorCodes
      • UpdateRequestType
      • UpdCapabilities
    • Interfaces
      • IBrowserDBA
        • Overview
        • Members
        • Methods
          • ChangeBrowsePosition Method
          • CreateBrowser Method
          • GetBranchPosition Method
          • GetEnum Method
          • GetItemHandles Method
          • GetItemID Method
          • ReleaseItemHandles Method
          • ValidateItemIDs Method
      • IDBAPlugin
        • Overview
        • Members
        • Methods
          • DeleteAtTime Method
          • DeleteRaw Method
          • GetAnnotations Method
          • GetAttributeItemData Method
          • GetItemInfo Method
          • GetModifiedItemData Method
          • GetRawItemData Method
          • Insert Method
          • InsertAnnotation Method
          • InsertReplace Method
          • ProcessDatapoint Method
          • Replace Method
        • Properties
          • AnnotationCapabilities Property
• I_HDAPluginNet4 Assembly
  • Overview
  • I_HDAPlugin Namespace
    • Overview
    • Classes
      • AnnotationDef
        • Overview
        • Members
        • AnnotationDef Constructor
        • Fields
          • AnnotationTime Field
          • Client Field
          • Count Field
          • Text Field
          • TimeStamps Field
          • User Field
      • AnnotationInsertRequest
        • Overview
        • Members
        • AnnotationInsertRequest Constructor
        • Fields
          • annotationValues Field
          • errors Field
          • isCancelled Field
          • serverHandles Field
          • timeStamps Field
          • transactionID Field
      • AnnotationReadRequest
        • Overview
        • Members
        • AnnotationReadRequest Constructor
        • Fields
          • endTime Field
          • errors Field
          • isCancelled Field
          • serverHandles Field
          • startTime Field
          • transactionID Field
      • OPCHDAAttribute
        • Overview
        • Members
        • OPCHDAAttribute Constructor
        • Fields
          • AttributeID Field
          • AttributeValues Field
          • Client Field
          • Count Field
          • TimeStamps Field
      • OPCHDAItem
        • Overview
        • Members
        • OPCHDAItem Constructor
        • Fields
          • Aggregate Field
          • Client Field
          • Count Field
          • DataValues Field
          • Qualities Field
          • TimeStamps Field
      • OPCHDAModifiedItem
        • Overview
        • Members
        • OPCHDAModifiedItem Constructor
        • Fields
          • Client Field
          • Count Field
          • DataValues Field
          • EditType Field
          • ModificationTime Field
          • Qualities Field
          • TimeStamps Field
          • User Field
    • Enumerations
      • AnnotationCapabilities
      • OPCHDAEditType
      • OPCHDAServerStatus
      • PluginUse
      • UpdateCapabilities
    • Structures
      • SrvRegDef
        • Overview
        • Members
        • Fields
          • ClsidApp Field
          • ClsidServer Field
          • CompanyName Field
          • NameCurrServer Field
          • NameServer Field
          • PrgidCurrServer Field
          • PrgidServer Field
    • Interfaces
      • IAppPlugin
        • Overview
        • Members
        • Methods
          • AdviseProcessed Method
          • AdviseRaw Method
          • CancelAnnotations Method
          • CancelAsyncRead Method
          • CancelPlayback Method
          • CancelUpdate Method
          • GetAggregates Method
          • GetHistorianStatus Method
          • GetItemAttributes Method
          • GetItemHandles Method
          • GetServerRegistryDef Method
          • InsertAnnotations Method
            • InsertAnnotations(Int32[],DateTime[],AnnotationDef[],Int32[]) Method
            • InsertAnnotations(Int32,Int32[],DateTime[],AnnotationDef[],Int32,Int32[]) Method
          • PlaybackProcessed Method
          • PlaybackRaw Method
          • QueryAnnotationsCapabilities Method
          • QueryUpdateCapabilities Method
          • ReadAnnotations Method
            • ReadAnnotations(DateTime,DateTime,Int32[],AnnotationDef[],Int32[]) Method
            • ReadAnnotations(Int32,DateTime,DateTime,Int32[],Int32,Int32[]) Method
          • ReadAtTime Method
            • ReadAtTime(DateTime[],Int32[],OPCHDAItem[],Int32[]) Method
            • ReadAtTime(Int32,DateTime[],Int32[],Int32,Int32[]) Method
          • ReadAttribute Method
            • ReadAttribute(DateTime,DateTime,Int32,Int32[],OPCHDAAttribute[],Int32[]) Method
            • ReadAttribute(Int32,DateTime,DateTime,Int32,Int32[],Int32,Int32[]) Method
          • ReadModified Method
            • ReadModified(DateTime,DateTime,Int32,Int32[],OPCHDAModifiedItem[],Int32[]) Method
            • ReadModified(Int32,DateTime,DateTime,Int32,Int32[],Int32,Int32[]) Method
          • ReadProcessed Method
            • ReadProcessed(DateTime,DateTime,TimeSpan,Int32[],Int32[],OPCHDAItem[],Int32[]) Method
            • ReadProcessed(Int32,DateTime,DateTime,TimeSpan,Int32[],Int32[],Int32,Int32[]) Method
          • ReadRaw Method
            • ReadRaw(DateTime,DateTime,Int32,Boolean,Int32[],OPCHDAItem[],Int32[]) Method
            • ReadRaw(Int32,DateTime,DateTime,Int32,Boolean,Int32[],Int32,Int32[]) Method
          • ReleaseItemHandles Method
          • ShutdownSignal Method
          • UpdateDeleteAtTime Method
            • UpdateDeleteAtTime(Int32,Int32[],DateTime[],Int32,Int32[]) Method
            • UpdateDeleteAtTime(Int32[],DateTime[],Int32[]) Method
          • UpdateDeleteRaw Method
            • UpdateDeleteRaw(Int32,DateTime,DateTime,Int32[],Int32,Int32[]) Method
            • UpdateDeleteRaw(DateTime,DateTime,Int32[],Int32[]) Method
          • UpdateInsert Method
            • UpdateInsert(Int32,Int32[],DateTime[],Object[],Int32[],Int32,Int32[]) Method
            • UpdateInsert(Int32[],DateTime[],Object[],Int32[],Int32[]) Method
          • UpdateInsertReplace Method
            • UpdateInsertReplace(Int32,Int32[],DateTime[],Object[],Int32[],Int32,Int32[]) Method
            • UpdateInsertReplace(Int32[],DateTime[],Object[],Int32[],Int32[]) Method
          • UpdateReplace Method
            • UpdateReplace(Int32,Int32[],DateTime[],Object[],Int32[],Int32,Int32[]) Method
            • UpdateReplace(Int32[],DateTime[],Object[],Int32[],Int32[]) Method
          • ValidateItemIDs Method
      • IGenericServer
        • Overview
        • Members
        • Methods
          • CoInitForThread Method
          • DefineCallbacks Method
          • DefineCallbacksPE Method
          • OnCancelComplete Method
          • OnDataChange Method
          • OnInsertAnnotations Method
          • OnPlayback Method
          • OnReadAnnotations Method
          • OnReadAttributeComplete Method
          • OnReadComplete Method
          • OnReadModifiedComplete Method
          • OnUpdateComplete Method
          • UndefineCallbacks Method
    • Delegates
      • CoInitForThread
      • OnCancelComplete
      • OnDataChange
      • OnInsertAnnotations
      • OnPlayback
      • OnReadAnnotations
      • OnReadAttributeComplete
      • OnReadComplete
      • OnReadModifiedComplete
      • OnUpdateComplete
• Deployment
  • DCOM COnfiguration for XP SP2
• Test Client
• OPC Specifications
  • OPC HDA V1.2 Specification
  • OPC Common 1.0 Specification