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    TCustomVariantType.CompareOp

    Check result of a comparison between 2 custom variant values.

    Declaration

    Source position: variants.pp line 214

    public 
function TCustomVariantType.CompareOp(const Left: tvardata; 
                                     const Right: tvardata; 
                                     const Operation: tvarop) : Boolean
                                     ;  virtual;

    Description

    CompareOp performs the comparison specified in Operation on left and Right and returns True if the values satisfy the requested operation. The TCustomVariantType implementation of this method raises an 'unsupported' error. Descendent classes must override this method.

    Errors

    If a descendent does not override this, an 'unsupported' error is raised.

    See also

    Name Description
    TCustomVariantType.Compare Comparison 2 custom variant values.
    TCustomVariantType.UnaryOp Perform a unary mathematical operation.
    TCustomVariantType.binaryOp Perform a binary mathematical operation.