TCustomVariantType.UnaryOp

Perform a unary mathematical operation

Declaration

Source position: variants.pp line 206

public 
  procedure 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