TOnNotifyItem

Specifies and event handler signalled when an item is added to or removed from TPointerPointerArray.

Declaration

Source position: dynamicarray.pas line 28

type TOnNotifyItem = procedure(

Sender: TObject;

Col: Integer;

Row: Integer;

var Item: Pointer

) of object;

`Sender`		Instance of the TArray that causes the event.
`Col`		The Col number for the event.
`Row`		The Row number for the event.
`Item`		Pointer to the Item date for the event.

TOnNotifyItem is the type used for the OnDestroyItem and OnNewItem properties in TPointerPointerArray.

TPointerPointerArray.OnDestroyItem		Performs actions needed when the Pointer in an array element is removed from the array.
TPointerPointerArray.OnNewItem		Performs actions needed when a new Pointer is needed for an array element added to a column or row in the array.