[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'Variants' (#rtl)

TCustomVariantType.UnaryOp

Perform a unary mathematical operation

Declaration

Source position: variants.pp line 206

public procedure TCustomVariantType.UnaryOp(

  var Right: tvardata;

  const Operation: tvarop

); virtual;

Arguments

Right

  

Operand and result

Operation

  

Unary operation to perform

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

=TCustomVariantType.BinaryOp

=TCustomVariantType.CompareOp


Documentation generated on: May 14 2021