TrendStorageReader.GradientCenterYRead (METH) ¶ METHOD GradientCenterYRead This method returns the rotation center of the gradient (Y) InOut: Scope Name Type Comment Input iWhichVariable INT The 0 based index of the variable within all variables iValue INT The rotation center of the gradient (Y)

TrendStorageReader.GradientColor1Read (METH) ¶ METHOD GradientColor1Read This method returns the first color of the gradient InOut: Scope Name Type Comment Input iWhichVariable INT The 0 based index of the variable within all variables diValue DINT The first color of the gradient

TrendStorageReader.GradientColor2Read (METH) ¶ METHOD GradientColor2Read This method returns the second color of the gradient InOut: Scope Name Type Comment Input iWhichVariable INT The 0 based index of the variable within all variables diValue DINT The second color of the gradient

ITrendStorageReaderConsumer.ValueRead (METH) ¶ METHOD ValueRead Notification, that a variable value from TblTrendData has been read and can be processed. InOut: Scope Name Type Comment Input diWhichRow DINT A 0-based index of the row read from TblTrendData. iWhichVariable INT A 0-based index of the variable within all variables liValue LINT The value, that was read from TblTrendData xValueNULL BOOL Indicates, whether NULL is stored in the trend storage

ITrendStorageReaderConsumer.VariableConfigurationRead (METH) ¶ METHOD VariableConfigurationRead Notification, that the variable configuration was read and reading of data will start immediately. InOut: Scope Name Type Comment Input paTrendStorageVariableDescription POINTER TO ARRAY [0..0] OF TrendStorageVariableDescription Points to an array of TrendStorageVariableDescription Variables, where the configuration of the variables has been stored. This array contains the description of the variables, whose data will be read iCountVariables INT The effective size of the array above, i.e. the number of variables

ITrendStorageWriterListener (ITF) ¶ INTERFACE ITrendStorageWriterListener This interface must be implemented by function blocks, that have to be informed if new data has been written into the trend storage Methods: DataWritten Structure: DataWritten (Method)

ITrendStorageWriterListener.DataWritten (METH) ¶ METHOD DataWritten Notification, that data has been written to the trend storage InOut: Scope Name Type Comment Input liFirstTimestamp LINT The first timestamp for which data was written to the trend storage liLastTimestamp LINT The last timestamp for which data was written to the trend storage iCountRows INT The number of rows, that have been written to the trend storage

Service ¶ SwapDword (Function) SwapLword (Function) SwapWord (Function) TrendStorageCache TrendStorageCacheItemData (FunctionBlock)

SwapDword (FUN) ¶ FUNCTION SwapDword : BOOL InOut: Scope Name Type Return SwapDword BOOL Inout dw DWORD

SwapLword (FUN) ¶ FUNCTION SwapLword : BOOL InOut: Scope Name Type Return SwapLword BOOL Inout lw LWORD