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

# TaskDialogFirstRadioButtonIndex

Lowest index value for a radio button used on a TTaskDialog instance.

## Declaration

Source position: dialogs.pp line 897

`const TaskDialogFirstRadioButtonIndex = 200;`

## Description

TaskDialogFirstRadioButtonIndex is a constant with the initial value for a radio button identifier used on a task dialog instance.

## Version info

Added in LCL version 4.0.

## See also

TCustomTaskDialog.RadioButton |  | The radio button selected on the Task dialog.
TCustomTaskDialog.SetRadioButtonFromRadioIndex |  | Makes the radio button with the specified identifier the active RadioButton on the task dialog.
TCustomTaskDialog.Execute |  | Displays the task dialog and captures the modal result value.
TCustomTaskDialog.DoExecute |  | Performs actions to configure and execute the dialog.
TTaskDialogRadioButtonItem |  | Implements a radio button displayed on a Task dialog.
TTaskDialogBaseButtonItem.Create |  | Constructor for the class instance.
TaskDialogFirstButtonIndex |  | Lowest index value for a button identifier used on a task dialog instance.
TCollectionItem.ID