IRowIdIterator.SaveState (METH) ¶ METHOD SaveState This method takes the last processed row ID and allows us to continue a reading process later InOut: Scope Name Type Comment Input liLastProcessedRowID LINT The last processed row ID liTimestamp LINT The timestamp, that was read at the last read row ID

ITimestampTraverserClient (ITF) ¶ INTERFACE ITimestampTraverserClient This interface must be implemented by function blocks, that use the TrendFbTimestampTraverser function block to traverse the timestamps of data read from CmpTraceMgr Methods: NextTimestampReached ProcessVariableForTimestamp Structure: NextTimestampReached (Method) ProcessVariableForTimestamp (Method)

ITimestampTraverserClient.NextTimestampReached (METH) ¶ METHOD NextTimestampReached Notfication, that the traversal reached the next timestamp. InOut: Scope Name Type Comment Input storageRowInfo TrendStructStorageRowInfo This parameter provides information about the timestamp Output xSkipWriteValues BOOL

ITimestampTraverserClient.ProcessVariableForTimestamp (METH) ¶ METHOD ProcessVariableForTimestamp Notfication for ITimestampTraverserClient instance, that a variable for the current timestamp has to be processed. InOut: Scope Name Type Comment Input itfTraceMgrVariable ITraceMgrVariable The ITraceMgrVariable for which the variable value belongs to iRecordIndex INT The 0 relative index of the ITraceMgrVariable within all variables pbyByte POINTER TO BYTE Points to the corresponding location in memory, where the data (i.e. the variable value) is located.

ITrendRecording (ITF) ¶ INTERFACE ITrendRecording EXTENDS __SYSTEM.IQueryInterface This interface is implemented by function blocks, that can be registered in the function block TrendFbTrendRecordingManager and that perform the trend recording. Properties: RecordingTimespan State Methods: CyclicCall GetInitializeVersion GetPacketName GetTrendStorageWriter Initialize RegisterTrendRecording Structure: CyclicCall (Method) GetInitializeVersion (Method) GetPacketName (Method) GetTrendStorageWriter (Method) Initialize (Method) RecordingTimespan (Property) RegisterTrendRecording (Method) State (Property)

ITrendRecording.CyclicCall (METH) ¶ METHOD CyclicCall : UDINT This method has to be cyclically to store the recorded values in the trend storage. The return value contains the error code. InOut: Scope Name Type Return CyclicCall UDINT

VisuNativeElement.GetUpdateRects (METH) ¶ METHOD GetUpdateRects : BOOL InOut: Scope Name Type Comment Return GetUpdateRects BOOL Input elemIndex INT parameter

VisuNativeElement.SetStaticState (METH) ¶ METHOD SetStaticState : BOOL InOut: Scope Name Type Return SetStaticState BOOL

VisuNativeElement.Update (METH) ¶ METHOD Update : BOOL InOut: Scope Name Type Return Update BOOL

private ¶ CheckBufferSize (Method) HandleReadOfBigVarTypes (Method) HandleReadOfSmallVarTypes (Method)