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Subscript of the row containing the formula.
Name of column into which the formula will be added.
Caption of the additional row where the calculation will be displayed. If this caption does not exist, the row will be created. If this caption exists but not for the specified column, the calculation is displayed in the existing row but for the specified column. If this caption exists for the specified column, a WLanguage error occurs.
Name of WLanguage procedure ("callback" procedure) that will be called to initialize the formula. This procedure has the following format: PROCEDURE <Procedure name> ()// your codeRESULT <Initialization value Accumulator> where <Initialization value Accumulator> is the value to return for the first iteration of the calculation.NULL if the formula requires no initialization process.
Name of WLanguage procedure ("callback" procedure) that will be called for each iteration of the formula (each table row). This procedure has the following format: PROCEDURE <Procedure name>(<Accumulator>, <Column value>)// Called for each table row// Your codeRESULT <New value Accumulator> where: <Accumulator> is the value coming from the previous calculation (initialization or previous iteration).<Column value> is the value of the current column used to calculate this iteration.<New value Accumulator> is the new value to return for the next iteration or at the end of calculation.NULL if the formula requires no initialization process.
Name of the WLanguage procedure ("callback" procedure) that will be called to end the formula. This procedure has the following format: PROCEDURE <Procedure name> ()// your codeRESULT <End value Accumulator> where <End value Accumulator> is the value to return corresponding to the value of end of calculation.NULL if the formula requires no ending process.
Conditions for adding the row containing the custom calculation formula
Recalculating data
Customizing the calculation row
Last update: 07/05/2019
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