Skip to content

    TCustomVariantType.UnaryOp

    Perform a unary mathematical operation.

    Declaration

    Source position: variants.pp line 213

    public 
procedure TCustomVariantType.UnaryOp(var Right: tvardata; 
                                    const Operation: tvarop);  virtual;

    Description

    BinaryOp performs Operation on Right and stores the result of the result in Right. The TCustomVariantType implementation of this method raises an invalid operation error. Descendent classes must override this method.

    Errors

    If a descendent does not override this, an invalid operation error is raised.

    See also

    Name Description
    =TCustomVariantType.BinaryOp
    =TCustomVariantType.CompareOp