TCustomVariantType.IsClear function

Member of TCustomVariantTypepublicIn unit Variants

Is the custom value unassigned ?

Declaration

pascal

function IsClear(const V: tvardata): Boolean; virtual

Arguments

`V`	Custom variant to test.

Function result

True if the custom variant V is unassigned.

Description

IsClear must be overridden to decide whether the custom variant V is equivalent to varClear (unassigned) value. The VarIsClear function calls this method to decide whether a custom variant is unassigned.

The TCustomVariantType implementation of IsClear always returns False.

TCustomVariantType.IsClear function

Declaration

Arguments

Function result

Description

See also