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

# FindCustomVariantType

Find a custom variant class on vartype

## Declaration

Source position: variants.pp line 258

`function FindCustomVariantType(`
`const aVarType: tvartype;`
`out CustomVariantType: TCustomVariantType`
`):Boolean; overload; function FindCustomVariantType(`
`const TypeName: string;`
`out CustomVariantType: TCustomVariantType`
`):Boolean; overload;`

## Arguments

`aVarType` |  | Variant type to look for
`CustomVariantType` |  | Instance of TCustomVariantType that handles aVarType.

## Function result

True if a matching entry was found, False if not

## Arguments

`TypeName` |  | Type name to look for
`CustomVariantType` |  | Instance of TCustomVariantType that handles aVarType.

## Description

FindCustomVariantType searches the registry of known TCustomVariantType classes and returns the instance registered for the variant type aVarType or the class name TypeName in CustomVariantType if found.

It returns True if it found a matching definition, or False otherwise.

## See also

TCustomVariantType |  | Base class for a custom variant type

Documentation generated on: May 14 2021