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

# TTaskDialogRadioButtonItem

[Properties (by Name)] [Methods (by Name)] [Events (by Name)]

Implements a radio button displayed on a Task dialog.

## Declaration

Source position: dialogs.pp line 659

`type TTaskDialogRadioButtonItem = class(TTaskDialogBaseButtonItem)`
`public`
`constructor Create(); override;` |  | Constructor for the class instance.
`end;`

## Inheritance

`TTaskDialogRadioButtonItem` |  | Implements a radio button displayed on a Task dialog.
`TTaskDialogBaseButtonItem` |  | Defines the base class for a custom button displayed on a Task dialog.
`TCollectionItem`
?
`TObject`

## Description

TTaskDialogRadioButtonItem is a TTaskDialogBaseButtonItem descendant which implements a radio button displayed on a Task dialog. TTaskDialogRadioButtonItem is the type used for the RadioButton property in TCustomTaskDialog, and maintained in its RadioButtons collection.

## See also

TCustomTaskDialog.RadioButton |  | The radio button selected on the Task dialog.
TCustomTaskDialog.RadioButtons |  | Collection with the optional radio buttons defined for the Task dialog.