TrendStorageReader.ContinueReading (METH) ¶ METHOD ContinueReading : ETrendStorageReaderErrors Reads data from the trend storage. InOut: Scope Name Type Comment Return ContinueReading ETrendStorageReaderErrors A ETrendStorageReaderErrors value indicating, whether the processing has been completed successfully or not: ETrendStorageReaderErrors.NoError: Completed successfully ETrendStorageReaderErrors.InvalidCall: ContinueReading was called without calling method Read before ETrendStorageReaderErrors.AdditionalReadCallRequired: Reading has been completed successfully, but there is additional call of method ContinueReading necessary to read the rest of the data Input liTimstampFrom LINT The absolute timestamp of the 1st sample liTimstampTo LINT The absolute timestamp of the last sample itfTrendStorageReaderConsumer ITrendStorageReaderConsumer An instance of ITrendStorageReaderConsumer, to which the data read from the trend storage will be passed.

TrendStorageReader.GetMinMaxTimestamps (METH) ¶ METHOD GetMinMaxTimestamps : ETrendStorageReaderErrors This method determines minimum and maximum timestamp stored in the trend storage. InOut: Scope Name Type Comment Return GetMinMaxTimestamps ETrendStorageReaderErrors Output liMinTimestamp LINT Returns minimum timestamp liMaxTimestamp LINT Returns maximum timestamp liAbsPacketStartTime LINT Returns the absolute start time of the 1st trace mgr packet xTableIsEmpty BOOL Indicates, whether the database table is empty and default values will be returned

ITrendStorageAccessReadOperator ¶ DoContinueReading (Method) prvTblTrendConfigurationGetConfig LineStyleRead (Method) LineWidthRead (Method)

TrendStorageReader.DoContinueReading (METH) ¶ METHOD DoContinueReading : BOOL Indicates, whether the reading (i.e. iterating through the row IDs and reading the corresponding data) has to be continued or not. InOut: Scope Name Type Return DoContinueReading BOOL

prvTblTrendConfigurationGetConfig ¶ LineStyleRead (Method) LineWidthRead (Method)

ITrendStorageAccessReadOperator2 ¶ CurveFillingAlphaRead (Method) CurveFillingColorRead (Method) CurveFillingTypeRead (Method) CurveTypeRead (Method) GradientAngleRead (Method) GradientBrightnessRead (Method) GradientCenterXRead (Method) GradientCenterYRead (Method) GradientColor1Read (Method) GradientColor2Read (Method) GradientColorBrightnessRead (Method) GradientTranspColor1Read (Method) GradientTranspColor2Read (Method) GradientTypeRead (Method) GradientUseTwoColorsRead (Method)

TrendStorageReader.CurveFillingAlphaRead (METH) ¶ METHOD CurveFillingAlphaRead This method returns the curve alpha color of the graph (transparency) InOut: Scope Name Type Comment Input iWhichVariable INT The 0 based index of the variable within all variables iValue INT The alpha color of the graph

TrendStorageReader.CurveFillingColorRead (METH) ¶ METHOD CurveFillingColorRead This method returns the curve filling color of the graph InOut: Scope Name Type Comment Input iWhichVariable INT The 0 based index of the variable within all variables diValue DINT The filling color of the graph

TrendStorageReader.GradientColorBrightnessRead (METH) ¶ METHOD GradientColorBrightnessRead This method returns the color brightness of the gradient InOut: Scope Name Type Comment Input iWhichVariable INT The 0 based index of the variable within all variables dwValue DWORD The color brightness of the gradient

TrendStorageReader.GradientTranspColor1Read (METH) ¶ METHOD GradientTranspColor1Read This method returns first color transparency InOut: Scope Name Type Comment Input iWhichVariable INT The 0 based index of the variable within all variables bValue BYTE The first color transparency of the gradient