IDatasourcesMgr.GetDatasource (METH) ¶ METHOD GetDatasource : IDatasource Returns the datasource representing the given object’s name. InOut: Scope Name Type Comment Return GetDatasource IDatasource The datasource object or 0 in case there is none with the given name. Input name STRING The name of the datasource as configured in the according object’s name in the project
IDatasourcesMgr.GetItemInfo (METH) ¶ METHOD GetItemInfo : IDataItemBase InOut: Scope Name Type Return GetItemInfo IDataItemBase Input pstSymbol POINTER TO STRING
IDatasourcesMgr.ReadItemsSync (METH) ¶ METHOD ReadItemsSync : SysTypes.RTS_IEC_RESULT Reads the given list of items synchronously. Important Please remark that the operation might take quite some time in case many items are contained within the list. For this time, the call is blocking! InOut: Scope Name Type Comment Return ReadItemsSync SysTypes.RTS_IEC_RESULT Input items IDataItemList The list of items that have to be read
IDatasourcesMgr2.PersistantItemListCount (PROP) ¶ PROPERTY PersistantItemListCount : INT Returns the number of persistant item lists
IDatasourcesMgr2.RemoveNotificationClient (METH) ¶ METHOD RemoveNotificationClient : SysTypes.RTS_IEC_RESULT This method can be called to remove an object that was formerly registered using IDatasourcesMgr2.AddNotificationClient InOut: Scope Name Type Comment Return RemoveNotificationClient SysTypes.RTS_IEC_RESULT An error code that signals whether the removal was successful. Input client INotificationClient The notification client object to remove
IDatasourcesMgr2.Unlock (METH) ¶ METHOD Unlock : SysTypes.RTS_IEC_RESULT Releases a previously taken lock by IDatasourcesMgr2.Lock InOut: Scope Name Type Comment Return Unlock SysTypes.RTS_IEC_RESULT Returns a runtime system error code (see CmpErrors.library) or one of Errors
IDatasourcesMgr3 (ITF) ¶ INTERFACE IDatasourcesMgr3 EXTENDS IDatasourcesMgr2 Extension of IDatasourcesMgr2 supporting expanding of non scalar variables Properties: PersistantItemListCount , inherited from IDatasourcesMgr2 Methods: UseDataExpanding ActionRecordDelete , inherited from IDatasourcesMgr ActionRecordReplay , inherited from IDatasourcesMgr ActionRecordingGetResult , inherited from IDatasourcesMgr ActionRecordingStart , inherited from IDatasourcesMgr AddNotificationClient , inherited from IDatasourcesMgr2 AllItemsOk , inherited from IDatasourcesMgr BeginDataConfiguration , inherited from IDatasourcesMgr CreateItemList , inherited from IDatasourcesMgr CreatePersistantItemList , inherited from IDatasourcesMgr2 DeleteItemList , inherited from IDatasourcesMgr DeletePersistantItemList , inherited from IDatasourcesMgr2 EndDataConfiguration , inherited from IDatasourcesMgr GetDatasource , inherited from IDatasourcesMgr GetItemInfo , inherited from IDatasourcesMgr GetPersistantItemList , inherited from IDatasourcesMgr2 Lock , inherited from IDatasourcesMgr2 ReadItemsSync , inherited from IDatasourcesMgr ReleaseData , inherited from IDatasourcesMgr RemoveNotificationClient , inherited from IDatasourcesMgr2 SetCredentialsProvider , inherited from IDatasourcesMgr Unlock , inherited from IDatasourcesMgr2 UseData , inherited from IDatasourcesMgr WriteItemsSync , inherited from IDatasourcesMgr Structure: UseDataExpanding (Method)
IDatasourcesMgr3.UseDataExpanding (METH) ¶ METHOD UseDataExpanding : SysTypes.RTS_IEC_RESULT Activates the item of the given instance path for monitoring similar to IDatasourcesMgr.UseData . The difference of this method to IDatasourcesMgr.UseData is that variables of non scalar datatypes (eg. structures or arrays) maybe expanded automatically so that all sub elements are monitored instead of the complete value if that is necessary for a specific type of connected datasource. Note The items are reference counted so each call to IDatasourcesMgr.UseData or IDatasourcesMgr3.UseDataExpanding requires a matching call to IDatasourcesMgr.ReleaseData InOut: Scope Name Type Comment Return UseDataExpanding SysTypes.RTS_IEC_RESULT Returns a runtime system error code (see CmpErrors.library) or one of Errors Input pstSymbol POINTER TO STRING The symbolic name of the variable to activate. Here the name of the variable on the local PLC/HMI is expected.
IDatasourcesMgr4 (ITF) ¶ INTERFACE IDatasourcesMgr4 EXTENDS IDatasourcesMgr3 Extension of IDatasourcesMgr3 supporting the datasources browsing Properties: CountDatasources PersistantItemListCount , inherited from IDatasourcesMgr2 Methods: GetDatasourceItfByIndex ActionRecordDelete , inherited from IDatasourcesMgr ActionRecordReplay , inherited from IDatasourcesMgr ActionRecordingGetResult , inherited from IDatasourcesMgr ActionRecordingStart , inherited from IDatasourcesMgr AddNotificationClient , inherited from IDatasourcesMgr2 AllItemsOk , inherited from IDatasourcesMgr BeginDataConfiguration , inherited from IDatasourcesMgr CreateItemList , inherited from IDatasourcesMgr CreatePersistantItemList , inherited from IDatasourcesMgr2 DeleteItemList , inherited from IDatasourcesMgr DeletePersistantItemList , inherited from IDatasourcesMgr2 EndDataConfiguration , inherited from IDatasourcesMgr GetDatasource , inherited from IDatasourcesMgr GetItemInfo , inherited from IDatasourcesMgr GetPersistantItemList , inherited from IDatasourcesMgr2 Lock , inherited from IDatasourcesMgr2 ReadItemsSync , inherited from IDatasourcesMgr ReleaseData , inherited from IDatasourcesMgr RemoveNotificationClient , inherited from IDatasourcesMgr2 SetCredentialsProvider , inherited from IDatasourcesMgr Unlock , inherited from IDatasourcesMgr2 UseData , inherited from IDatasourcesMgr UseDataExpanding , inherited from IDatasourcesMgr3 WriteItemsSync , inherited from IDatasourcesMgr Structure: CountDatasources (Property) GetDatasourceItfByIndex (Method)
IDatasourcesMgr4.CountDatasources (PROP) ¶ PROPERTY CountDatasources : INT
