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    TFPNegateOperation.GetNodeValue

    Calculate the negated value

    Declaration

    Source position: fpexprpars.pp line 466

    public 
procedure TFPNegateOperation.GetNodeValue
                                         (var Result: TFPExpressionResult)
                                         ;  override;

    Description

    The GetNodeValue method performs the numeric negation by evaluating the operand and changing its sign. It multiplies the operand's value by -1, effectively converting positive values to negative and negative values to positive.