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

TCustomVariantType.Compare

Comparison 2 custom variant values

Declaration

Source position: variants.pp line 208

public procedure TCustomVariantType.Compare(

  const Left: tvardata;

  const Right: tvardata;

  var Relationship: TVarCompareResult

); virtual;

Arguments

Left

  

Left operand

Right

  

Right operand

Relationship

  

Relationship to test

Description

Compare performs the comparison specified in Operation on left and Right and returns the result of the comparison. 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

TCustomVariantType.CompareOp

  

Check result of a comparison between 2 custom variant values

TCustomVariantType.UnaryOp

  

Perform a unary mathematical operation

TCustomVariantType.binaryOp

  

Perform a binary mathematical operation


Documentation generated on: May 14 2021