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

# TCollectionItem.Changed

Method to notify the managing collection that the name or index of this item has changed.

## Declaration

`protected procedure TCollectionItem.Changed(`
`AllItems: Boolean`
`);`

## Description

This method is called when the TCollectionItem.DisplayName is set or when the TCollectionItem.Index is changed.

## See also

TCollectionItem.Id |  | Initial index of this item.
TCollectionItem.Index |  | Index of the item in its managing collection TCollection.Items property.
TCollection.Update |  | Hander called when an item in the collection has changed.